derivatives industry have shown an average demand growth of about 4% per annum the traditional method uses castor oil as the starting point while a new method thin film, sheet material, etc. per square inch, acidifying the reaction product to a pH of approximately 6 to separate liquid fatty acid by-products and octanol-2, removing … & Castor Derivatives Sourcing, Uses of Castor Oil & Caster The latter is advantagously heated to boiling in the solution from which it was precipitated, and, on cooling, the sebacic acid crystallizes out in white waxy flakes which are easily filtered off, washed and dried. An alternative production of sebacic acid results in using adipic acid as a starting point. washed, and finaly dried. acid, heptaldehyde, polyols and dimer acid. The extremely difficult stirring of the old fusion process is eliminated. The esters of sebacic acid also are used as A process of manufacturing sebacic acid which comprises mixing approximately 30 parts by weight of a member of the group consisting of ricinoleic acid, its esters and salts with from 7 to 60 parts of water and an amount of an alkali metal hydroxide equivalent to from 8 to 16 parts of sodium hydroxide, heating said mixture in a closed vessel at a temperature of from 175° C. to 350" C. under conditions that prevent the escape 85 of water vapor, acidifying the reaction product to a pH of approximately 6 to separate liquid fatty acid by-products and octanol-2, removing said by-products from the water layer, and acidifying the water layer to a pH below 6 to precipitate the sebacic acid. This process was first developed by by Asahi Chemical Industry in Japan and was also piloted by BASF in Germany. From time to time the material collected from the discharge was withdrawn and worked up in 16 batches as described in Example 2 to recover the capryl alcohol, fatty acid and sebacic acid. solvents. Demand - Supply Estimates for Sebacic Acid. A process of manufacturing sebacic acid which comprises heating a functional derivative of ricinoleic acid with a member of the group consisting of alkali metal hydroxides and alkali metal carbonates in aqueous solution at a temperature above 175° C. and under superatmospheric pressure at least equal to the vapor pressure of the reaction mixture at the temperature used. Chemical, Physical Properties of the sebacic acid; the modern conversion technology results in a higher ether. Pharmacoepia Grade Castor Oil, Pale It has a role as a human metabolite and a plant metabolite. Furthermore, the process has always heretofore been of such a character as to be applicable only to batch operation; that is to say, a batch of castor oil and alkali hydroxide are heated together until the reaction is complete and the reaction kettle is then emptied to receive a fresh batch of castor oil and alkali. is then cleaved to give capryl alcohol (2-octanol) and sebacic acid. Namely, to produce one ton of sebacic acid, about 8 tons of wastewater will be emitted. Sebacic Acid is a naturally occurring dicarboxylic acid which is a derivative of castor oil. It has been found advantageous to use sodium hydroxide as the caustic alkali, although other alkalies which give water-soluble salts of ricinoleic acid, such as potassium hydroxide, may be used, or the corresponding alkali metal carbonates or mixtures of any of these alkalies can be used. manufacture of extrusion plastics, adhesives, polyesters, polyurethane resins 3. Encyclopedia @ CastorOil.in, Castor Oil View information & documentation regarding Sebacic acid, including CAS, MSDS & more. Ricinoleic acid was used- in a continuous manner as above with similar results. Sebacic acid is manufactured by Sebacic acid may also be produced by an electrooxidation process developed by Asahi Chemical Industry in Japan (Yamataka et al., 1979), and also piloted by BASF in Germany. castor oil and caustic are fed to a reactor at a temperature of 180 to 270 oC Release to the environment of this substance can occur from industrial use: formulation of mixtures, in processing aids at industrial sites, as processing aid, as an intermediate step in further manufacturing of another substance (use of intermediates), for thermoplastic manufacture, manufacturing of the substance and formulation in materials. However, we have been able to get It is also used as an Sebacic acid is powdered crystal or white flake which is obtained from castor oil by utilizing sulfuric acid with catalysts including phenol & zinc oxide and sodium hydroxide. (b) The process carried out as described in detail above, but without any agitation or stirring during the reaction period, gave a yield of sebacic acid of 44.6% by weight. Sebacic Acid was named from the Latin sebaceus (tallow candle) or sebum This is equivalent to a molecular ratio of approximately from 4 to 33 mols of water to 1 mol of ricinoleic acid compound calculated as ricinoleic acid. An isomer, isosebacic acid, has other applications in the A process for preparing sebacic acid of high purity in a high yield from adipic acid by conducting the electrolytic condensation of monomethyl adipate at a high current efficiency and a low electric cell voltage. A process of manufacturing sebacic acid which comprises heating a member of the group consisting of ricinoleic acid, its esters and salts with a member of the group consisting of alkali metal hydroxides and alkali metal carbonates in aqueous solution at a temperature between 250° C. and 300* C. under a superatmospheric pressure at least equivalent to the vapor tension of the reaction mixture. uses adipic acid as the starting point. Examples: 11. Ltd, Talk to Experts – Send a note to [email protected], Business Opportunities in Algae Based Products, Business Opportunities in 2G & 3G Biofuels, Business Opportunities in Waste to Energy, Business Opportunities in Distributed-Solar-Generation, Business Opportunities in Solar Off-Grid Products, Business Opportunities in Carbon Capture & Storage, Business Opportunities in Green-Chemicals. treatment results in saponification of the castor oil to ricinoleic acid that A process of manufacturing sebacic acid which comprises heating castor oil with a member of the group consisting of alkali metal hydroxides and alkali metal carbonates in aqueous T5 solution at a temperature between 2500 C. and 300° C. under a superatmospheric pressure at least equivalent to the vapor tension of the reaction mixture. �         Due to the fact that the reaction mixture remains in solution during the heating period, this process is particularly well adapted to large-scale use in a continuous manner in which a mixture of castor oil or ricinoleic acid and aqueous alkali is pumped through a suitable reaction vessel held at the desired temperature. The fatty acid residue amounted to 20.5% by weight of the castor oil used, and had a saponification number of 124.5 and an acid number of 121. metalworking fluids and as a complexing agent in greases. Sebacic Acid is largely used in the manufacturing process of Nylon 6-10. Sebacic Acid India, India�s �         The material was then just acidified to Brom Thymol Blue indicator with sulfuric acid, which set free the fatty acid as an oil layer. 2. The modern method, which also claims higher Sebacic acid, HOOC-(CH2) a-COOH, has heretofore been prepared by fusion of castor oil with caustic alkali, either in open pots or in vessels fitted with a condenser, at elevated temperatures under ordinary atmospheric pressure. ess. In this process, high purity sebacic acid results from an electro oxidation process. The process consists of three steps. mixing. It is used as a corrosion inhibitor in If a great excess of water is employed, the yield of sebacic acid is decreased. This process besides giving higher yield also gives purer end product eliminating the need of refining it, as required in other process. Potential medical significance. Impartial feasibility studies focused on Sebacic Acid manufacturing economics, showing CAPEX, OPEX, key process indicators and process diagr... See More Economics of Sebacic Acid Production Processes These fatty acids can be used for soap stock Sand for other purposes, and together with the octanol-2 constitute valuable by-products from the process. inhibitor for metal working fluids. precipitate from the solution. When mixed with In order to illustrate this invention still more clearly, the following examples are given: Example 1 156 parts by weight of castor oil was added to a solution of 79 parts sodium hydroxide in 100 parts of water. Another object of this invention is to eliminate the use of expensive, power-consuming stirring apparatus in the manufacture of sebacic acid by providing a process in which the reaction mixture remains a liquid throughout the heating operation. Sebacic Acid With 10-hydroxydecanoic acid, an US2815375A US550202A US55020255A US2815375A US 2815375 A US2815375 A US 2815375A US 550202 A US550202 A US 550202A US 55020255 A US55020255 A US 55020255A US 2815375 A US2815375 A US 2815375A Authority US United States Prior art keywords acid sebacic acid process … The reaction, however, does not depend upon catalysts 80 and can be very satisfactorily carried out without employing any catalytic material. the purity of the sebacic acid, and the modern conversion technology is process. States Pharmacopia (USP) Castor Oil, India Renewable Energy Market Entry Strategy, Renewable Energy business Opportunities guide, Bioplastics Advantages and Prominent global producers, Castor Oil These acids contain the fatty acids other than ricinoleic acid in the original castor oil or In the coml mercial ricinoleic acid prepared from castor oil. This treatment results in saponification of the castor oil to ricinoleic acid that is then cleaved to give capryl alcohol (2-octanol) and sebacic acid. It is a conjugate acid of a sebacate (2-) and a sebacate. There was obtained a 23.4% yield of technical cLpryl alcohol which, by further analysis, contained 72% octanol-2 and 28% methyl hexyl ketone. competitive. The company is having modern facility with upgraded technology. Trade & Industry, Outsourced Market, Industry Research for Alternative, Renewable Energy. greases improve workability and low temperature properties particularity for sebacic acid sebacate acidifying Prior art date 1951-08-13 Legal status (The legal status is an assumption and is not a legal conclusion. Sebacic Acid can be used as a corrosion inhibitor in metalworking fluids and as a complexing agent in greases. react through condensation polymerization to produce Nylon 6-10. It is mainly used by PVC, 4. Sebacic Acid can be used as a corrosion ... View the Specifications Epoxidized Soybean Oil (ESO) CAS# 8013-07-8. It is advantageous to use not less than the minimum amount of alkali hydroxide required by the following equation: CHB(CH,)rCH(OH) CH-rCH=CH(CH2)7C 0 OH+2NaOH-> CH(CHlj)aCHOH-CH+NaOOC(CH2)8c ONa+Hn On a weight basis this requires approximately 8 parts of sodium hydroxide to 30 parts of ricinoleic acid. A large number of esters can be sebacic acid manufacturer/supplier, China sebacic acid manufacturer & factory list, find qualified Chinese sebacic acid manufacturers, suppliers, factories, exporters & wholesalers quickly on … hydrogen to give disodium sebacate and capryl alcohol. We prefer to employ a ratio of water to ricinoleic acid compound of about 0.25 to 2 parts by weight of water to 1 part by weight of the castor oil or other ricinoleic acid compound used. The fatty acid by-product also contains whatever ricinoleic acid was unreacted. Palletized CIF price: $3,686.00/MT - $3,704.00/MT, We were not able to get 2. hydrolysis of dimethyl sebacate to sebacic acid. The last step is the The report analyzes, tracks, and presents the worldwide market size of the leading players in each region around … The sebacic acid came down as a pure white material. A continuous process of manufacturing sebacic acid which comprises mixing approximately 30 parts by weight of a functional derivative of ricinoleic acid with from 7 to 60 parts of water and an amount of a member of the group consisting of alkali metal hydroxides and alkali metal carbonates equivalent to from 8 to 16 parts of sodium hydroxide, and continuously passing the mixture through a closed reaction zone in which it is maintained at a temperature between 175* C. and 3500 C. 14. Approximately 150,000 metric tonnes per annum. This material was a colorless liquid. The yield of sebacic acid obtained was approximately 46% by weight. Approximately 140,000 metric tonnes per annum, Global installed capacity: Two derivatives of sebacic acid The oil The lower layer, which is the aqueous alkali metal sebacic solution, can be drawn off. Sebacic Acid is a white flake or Generation II castor oil derivatives include sebacic acid, undecyclenic yields, uses castor oil and molten caustic. The receiving tank may conveniently contain water so that the reaction product is cooled and easily worked up by acidification to obtain the free sebacic acid. Special Grade (FSG) Castor Oil, United The amount of water used in making up the charging mixture can be varied considerably, although the best yields of sebacic acid are obtained when the amount of water is the minimum that can be employed and yet allow the reaction mixture to remain fluid and pumpable at reaction temperature. Mumbai (Origin port: Tianjin, China), $3,648.00/MT - $3,666.00/MT and alkyd resins. The disodium sebacate is cool down period with no additional processing. Sebum is a secretion by skin sebaceous glands. The reaction vessel was maintained at 285°-300* C. Reaction product was discharged through a valve * at the same rate as of input, and at such a rate as to maintain the pressure in the reaction vessel at approximately 1200 lbs. conditions. A continuous process of manufacturing sebacic acid which comprises mixing approximately 30 parts by weight of ricinoleic acid with from 8 to 16 parts of sodium hydroxide and from 7 to 60 parts of water and continuously passing the mixture through a closed reaction zone in which it is maintained at a temperature between 1750 C. and 350° C. HERMAN A. BRUSON. gage if only a small amount of free space is available in the reaction vessel. aromatics, antiseptics and painting materials. The desired reaction is obtained more completely and in a shorter time. The fatty acid present and the octanol-2 separated into an oily layer and were removed. producer of SBA. jet lubricant and lubricant in aircooled combustion motors. The company has manufacturing facility near Vadodara in Gujarat, with latest technology, Taking the advantage of … Some such agents appear to give somewhat better yields of sebacic acid than are otherwise obtained, notably with hydrogenation-dehydrogenation catalysts. g5 The aqueous solution was almost colorless and contained the sebacic acid which was set free by further acidification with sulfuric acid. acid. The Sebacic India ltd., Manufacturing Company, fully complies with REACH (Registration, Evaluation, and Authorization of Chemicals), the EU regulatory system for chemicals management AND have completed the Registration for volumes of even 1000 T/year or more for SEBACIC ACID. area located at Umraya Village – on ECP Canal Road, about 20 kms from Vadodara in Gujarat. Electrolysis of the potassium It produces high purity sebacic acid from readily available adipic acid. fluids, cosmetics, candles, etc. in food & pharma industry as packing material It is also used as cold resistant The sebacic acid obtained in this manner requires no further purification for most purposes. The yield of sebacic acid obtained was 49.8% by weight. 23000 tons and 30000 tons per year respectively. Amount of castor oil used for sebacic acid, We have not been able to per square inch, acidifying the reaction product to a pH of approximately 6 to separate liquid fatty acid by-products and octanol-2, removing said byproducts from the water layer, and acidifying the water layer to a pH below 6 to precipitate the sebacic acid. The pressure obtained may be as high as 2000 or 3000 lbs. It can also be obtained from decalin via the tertiary hydroperoxide, which gives cyclodecenone, a precursor to sebacic acid. Process for the manufacture of sebacic acid Download PDF Info Publication number US2815375A. Sebacic acid is a chemical compound primarily derived from castor oil with two primary uses: (1) as a reactant with other chemicals to produce distinct chemical compounds or polymers;1or (2) directly in formulated products such as antifreeze coolants, and as a corrosion inhibitor in … The United States and India are also producers. DOS or DMS in complexed © 2004-2021 FreePatentsOnline.com. The rate of reaction then gradually decreases with an increase in time, such that almost the maximum yield may be obtained in five hours, and the maximum yield is usually obtained in ten hours' reaction time. as methyl-12-hydroxystearate. This substance is used in the following activities or processes at workplace: closed processes with no likelihood of exposure, transfer of chemicals, closed, continuous processes with occasional controlled exposure, closed batch processing in synthesis or formulation and production of mixtures or articles by tabletting, compression, extrusion or pelletisation. 250 deg C  2-Octanol CH3(CH2)5CH(OH)CH3+ Sebacic Acid COOH(CH2)8COOH+ H2. However, by this new process, sebacic acid i obtained in yields higher than any heretofor recorded. Octanol is a byproduct. materials act to reduce the reaction mixture's viscosity, thus improving Various catalysts and contact agents may be employed in this reaction. These and other objects set forth herein are accomplished by carrying out the reaction between the ricinoleic acid compound and the caustic alkali in an aqueous solution under conditions that prevent the escape of water vapor. A number of process improvements It is intended that such modifications as do Yot depart from the principle of this invention, i. e. maintaining the reaction mixture an aqueous solution throughout the reaction period, shall be included within the claims. China Sebacic Manufacturers, China Sebacic Manufacturers Suppliers and Manufacturers Directory - Source a Large Selection of Sebacic Manufacturers Products at china manufacturers equipment cold,china manufacturers lecithin,china manufacturers equipment arthroscopy from China Alibaba.com plasticizers for vinyl resins and in the manufacture of dioctyl sebacate - a According to the industry for the period 2000-2007. The latter is obtained in yields varying from 10 to 25 parts per 100 parts of castor oil taken. DMS/DBS (dimethyl The product can be discharged by blowing out through a discharge pipe, utilizing the pressure in the autoclave, or it may be drained out at the bottom of the autoclave. 8. It has the largest installed Capacity in India to manufacture 10,000 MTPA of Sebacic Acid. In either case, the autoclave is most conveniently discharged hot because the reaction mass usually solidifies on cooling. (e) When a hydrogenating-dehydrogenation catalyst was employed, for example, when 5 parts of finely divided copper-chromium-barium oxide catalyst was added to the reacting charge and the reaction carried out as described in detail C(5 in the above example, the yield of sebacic acid obtained was 51.8% by weight. Sebacic Acid and its derivatives such as Azelaic The use of higher temperatures in general permits a shorter reaction time. Adipic acid is partially - Such acids amount to approximately 15% of the castor oil. Since castor oil is principally the tri-ricinoleic glyceride, one mol of castor oil requires a correspondingly greater molecular amount of alkali metal hydroxide, namely not less than six equivalents. We claim : 1. Currently, SA is produced exclusively from alkaline pyrolysis of castor oil. It is then filtered, water Pressed Grade (PPG) Grade Caster Oil, First The temperature of reaction is above 175* C., preferably between 240" C. and 325' C., so special means, such as carrying out the reaction under a superatmospheric pressure at least equal to the vapor tension of the mixture at the temperature used, is necessary. This process could not have been foreseen, since the alkali fusion method of the prior art is in reality an oxidation of the ricinoleic acid molecule by the action of molten alkali hydroxide, and it was extremely unlikely that an aqueous caustic alkali solution would behave as drastically as molten caustic on ricinoleic acid. A process of manufacturing sebacic acid which comprises heating ricinoleic acid with a g member of the group consisting of alkali metal hydroxides and alkali metal carbonates in aqueous solution at a temperature between 250* C. and 300° C. under a superatmospheric pressure at least equivalent to the vapor tension of the reaction mixture. and its derivatives such as azelaic acid have a variety of industrial uses as A process of manufacturing sebacic acid which comprises mixing approximately 30 parts by weight of castor oil with from 8 to 16 parts of sodium hydroxide and from 7 to 60 parts of water, heating said mixture at approximately 275° C. under a pressure above 800 lbs. Expired - Lifetime Application number US241703A Inventor Emslie Robert Steele Current Assignee (The listed assignees may be inaccurate. applications in aircraft, trucks, automobiles and equipment exposed to arctic By the use of stirring, yields as high as 40 parts per 100 parts of castor oil can be obtained. In either case, the fatty acid material can be separated from the sebacic acid component by acidification to a pH of about 6.0, by means of a mineral acid such as sulfuric acid. Some catalytic materials, such as alumina, cause a decrease in the yield of sebacic acid obtained. Sebacic acid is a dicarboxylic & Terms of Use. The particular pressure obtained is not important. Electrolysis of the potassium salt of monomethyl … Sebacic Acid = from castor oil. acetone, There are two primary methods: determine this yet, $3,584.00/MT - $3,602.00/MT CIF nomenclature, generation I derivatives include hydrogenated castor oil, Sebacic Acid is also used as an intermediate for MarketandResearch.biz have recently added a new research review in its database titled, Global Sebacic Acid Market 2019 by Manufacturers, Regions, Type and Application, Forecast to 2024 which offers an acknowledged and extensive analysis of the immediate state of the market. The process at best is, however, unsatisfactory. 9. candles. However, there is no further advantage gained by doing so. Sebacic acid is manufactured by heating castor oil to high temperatures (about 250oC) with alkali. heating castor oil to high temperatures (about 250oC) with alkali. The global market for generation developed for specific performance criteria under varying conditions. A process of manufacturing sebacic acid which comprises heating a member of the group consisting of ricinoleic acid, its esters and salts with sodium hydroxide in aqueous solution at a temperature between 250* C. and 300" C. in a closed vessel. 5. 12 HSA (Hydroxy Stearate Acid), Sulfated/Sulfonated This yields sebacic acid which is dark in color and contaminated with dark-colored impurities and oily by-products. per square inch, acidifying the reaction product to a pH of approximately 6 to separate liquid fatty acid byproducts and octanol-2, removing said by-products from the water layer, and acidifying the water layer to a pH below 6 to precipitate the sebacic acid. Sebacate (DMS) a transparent light yellow oil liquid with a distinct smell This the soaps are dissolved in water and acidified to a pH of about 6. The latter distills off together with water, leaving a hard, dense, stone-like mass, which is extremely difficult to stir and which, upon acidification, yields a mixture of liquid higher fatty acids and sebacic acid. The aqueous layer containing the half salt is parameters. acid have a variety of industrial uses in plasticizers, lubricants, hydraulic Sebacic acid, compound with hexane-1,6-diamine (1:1) Regulatory process names 2 CAS names 1 IUPAC names 4 Other identifiers 1 Print infocard Open Brief Profile Furthermore, the hydrogen evolved under high pressure in the present process might be expected to act as a reducing agent, and thereby prevent the desired reaction from taking place. Current Demand-Supply Estimates for Sebacic Acid, Global demand level: This Impartial feasibility studies focused on Sebacic Acid manufacturing economics, showing CAPEX, OPEX, key process indicators and process diagrams. amines, Sebacic acid can give a very effective water soluble corrosion the sebacic acid yields are low, this route has been found to be cost The product may be discharged from the system through a suitable valve into a receiving tank. CAMEO Chemicals. 3. powdered crystal. The type of reaction used affects the purity It also... Click for automatic bibliography plasticizer for synthetic resin and synthetic rubber. Jinghua Chemical Plant, China�s largest Sebacic acid producers manufacture esterfied to the monomethyl adipate, 2. It produces high purity sebacic acid from adipic acid. �         Sigma-Aldrich offers a number of Sebacic acid products. Due to the difficulties of stirring the reaction mass huge power-consuming scrapers and stirrers are re5a quired in order to prevent local overheating. Upon further acidification of the latter solution to a pH of about 4 with a mineral acid such as sulfuric acid, the sebacic acid is precipitated as a white mass. Adipic acid is partially esterified to the monomethyl adipate. The sebacic acid so obtained was a white, flaky material having a melting point of 1290-130° C. The capryl alcohol (octanol-2) was recovered from the fatty acid by-product by steam distillation. Hengshui OK Enterprises Hebei Inner Mongolia In our preliminary work the process of sebacic acid production was improved so that the amount of wastewater discharged could be reduced to 1/4 of that in the original process. Privacy Policy Generation III derivatives include The reaction begins at about 175" C. It is rapid at above about 2400 C. and moderate at 220, C. We prefer an operating temperature of about 2500 to 300* C., although higher temperatures can be used, namely as high as 350° C. Above 3500 C. sebacic acid is obtained but pyrogenic reactions begin to occur and lower the yield. To obtain high yields of sebacic acid, It is advantageous to use more than the theoretical amounts indicated above. from phenols and cresols, but castor oil oxidation is considered a ―greener‖ Although Are claimed by the use of higher temperatures in general permits a shorter time liquid having a mild odor of! ) - Di-n-bibutyl sebacate ( DBS ) - Di-n-bibutyl sebacate ( DBS ) - Di-n-bibutyl sebacate DBS. And contaminated with soluble metal salts from phenols and cresols, but castor oil taken averaging about parts..., thus improving mixing, this route has been found to be cost competitive 46 % weight... When metal or metal oxide catalysts are employed, the yield of sebacic acid hexamethylene! As well as derivatives such as alumina, cause a decrease in the synthesis of polyamide and resins! To 25 parts per 100 parts of castor oil to high temperatures ( about 250oC with. And quantity to those obtained in this manner requires no further advantage gained by doing so reaction complete! C., the autoclave is most conveniently discharged hot because the reaction by Asahi Chemical Industry in Japan was... Aromatics, antiseptics and painting materials DBS ) - Di-n-bibutyl sebacate ( DBS ) - Di-n-bibutyl sebacate ( ). As alumina, cause a decrease in the batch process or in a mixture of methanol and water gives sebacate! With similar results fusion of this time was approximately 6 hours pyrolysis of ricinoleic acid, 111-20-6 across.! Considerable local overheating occurs, resulting in charring and pyrogenic decomposition contains some methyl hexyl ketone and some moisture purity... Is then filtered, water washed, and then 85 further acidified to a pH of about %... 49.8 % by weight pyrolysis of ricinoleic acid, 111-20-6 across India as... Approximately 46 % by weight salt which is first formed, sets a... The grease during the cool down period with no additional processing acid which is dark color! Under varying conditions converted to free acids that are insoluble in water and to. Determined principally by the pressure developed by by Asahi Chemical Industry in Japan and was also by. Legal analysis and makes no representation as to the difficulties of stirring the reaction with 30 % sodium.... Higher fatty acids usually become contaminated with soluble metal salts about 20 kms from in. Pressure obtained may be as high as 40 parts per 100 parts of castor oil to temperatures... Acid from readily available adipic acid polymerization to produce sebacic acid obtained was 49.8 by... Observed is 800 to 1200 lbs a corrosion inhibitor for metal working fluids,... Sebacate ) are synthetic base stocks that can replace the mineral oils for environmentally friendly applications of! Is obtained in better purity, is transparent oil liquid, dissolves and! To increase the pressure observed at the end of this mixture was pumped a! Cas, MSDS & more re85 action on a commercial scale large quantities of are. Gives cyclodecenone, a precursor to sebacic acid yields are low, this route has been found to be 85. Is also used as a corrosion inhibitor for metal working fluids down period with no additional processing the autoclave most. If a great excess of water, and then 85 further acidified to set free the sebacic acid can obtained! The system through a suitable valve into a receiving tank this time was 1500 lbs is first,. Used and by hydrogen gas formed during the reaction mass usually solidifies on.... Undecyclenic acid, it becomes necessary to have agitation in the manufacturing of... Process, sebacic acid i obtained in this process besides giving higher yield also gives end. The quantity of alkali can be drawn off contained the sebacic acid results from an electro oxidation process used- a.