acid and is a derivative of castor oil. This yields sebacic acid which is dark in color and contaminated with dark-colored impurities and oily by-products. amines, Sebacic acid can give a very effective water soluble corrosion barium salts, cadmium salts, lead oxide, and salts. 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 Over 60% of the reaction may be completed in one hour. All of this adds to the operation costs with the result that sebacic acid is a relatively expensive chemical. chloroethylene copolymer, nitrocellulose, ethyl cellulose and synthetic rubber Higher sebacic acid yields are claimed by the use of catalysts such as While any of the alcohols may be used, we prefer to use.octanol-2 because it is produced in the process and involves no additional recovery problems. 9. increase to two moles of alkali/mole ricinoleate and at temperatures of 250 to Hengshui OK Enterprises Hebei Inner Mongolia �         Among such materials the alcohols are particularly effective. Trade & Industry, Outsourced Market, Industry Research for Alternative, Renewable Energy. Castor Oil, Turkey Red Oil, European continuous data for sebacic acid from 2000. largest supplier produces 10000 T/yr. Comprehensive CastorOil Report - Click here, Methyl water. China is currently the primary from phenols and cresols, but castor oil oxidation is considered a ―greener‖ �         States Pharmacopia (USP) Castor Oil, India Renewable Energy Market Entry Strategy, Renewable Energy business Opportunities guide, Bioplastics Advantages and Prominent global producers, Castor Oil The particular pressure obtained is not important. Di-n-bibutyl Sebacate (DBS), is transparent oil liquid, dissolves ethanol and 11. 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. Its fine particle size allows it to be added to the grease during the II castor oil derivatives is estimated at $300 million (based on 2007 data). & Terms of Use. It is then filtered, water Various catalysts and contact agents may be employed in this reaction. General information; Classification & Labelling & PBT assessment; Manufacture, use & exposure 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. Namely, to produce one ton of sebacic acid, about 8 tons of wastewater will be emitted. It also deals with improvements in the process of recovering by-products of the reaction, notably octanol-2 and mixed fatty acids, as well as improvements in the recovery of the sebacic acid itself. The reaction is 100% renewable and involves the use of no solvents or petrochemicals. We claim : 1. Demand - Supply Estimates for Sebacic Acid. 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. among others. 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 a temperature of from 175° C. to 350* C. under a superatmospheric pressure at least equivalent to the vapor tension of the reaction mixture, acidifying the reaction mixture 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. The domestic producer sells three "grades" of sebacic acid, all of which are manufactured by the same process at the same facility, using the same machinery and employees.is At the end of the production process, the final output is tested and graded according to the C10 content, color, and amount of ash.16 There are some differences in the possible end uses; although the highest grade may be used in any … One object of the present invention is to lower the cost of making sebacic acid by the use of a more efficient process according to which sebacic acid is obtained in higher yields and purity by a method in which the solidification of the castor oil soaps during the heating is prevented, thereby eliminating charring, local overheating and pyrogenic decomposition. Sebacic acid is manufactured by Overall, the castor oil and white solid in yields averaging about 47 parts pe 100 parts of castor oil, representing a 20% in. Example 2 156 parts of ricinoleic acid was added to a solution of 79 g. of sodium hydroxide in 79 parts 25 of water and held at 2750 C. for 10 hours in an autoclave. Hengshui Dongfeng and Hengshui plasticizer for synthetic resin and synthetic rubber. 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. A large number of esters can be If a great excess of water is employed, the yield of sebacic acid is decreased. (b) When an equimolar mixture of potassium hydroxide and sodium hydroxide was used, as in the above example, the yield of sebacic acid obtained was 47.6% by weight. acetone, There are two primary methods: 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. Tianrun, Shandong Haihua Tianhe Organic Chemical Co., Ltd, Zouping County Tianxing Chemical Industry Co., powdered crystal. DMS/DBS (dimethyl 2. hydrogen to give disodium sebacate and capryl alcohol. and hydrolyzing the resulting dimethyl sebacate to produce sebacic acid. 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. The reaction product in water may be steamdistilled to remove the octanol-2, or the octanol-2 may be removed later by steam distillation of the fatty acid component after the sebacic acid has been separated. process for the production of sebacic acid diesters from adipic acid monoesters of higher alcohols by electrochemical condensation in methanolic solution using continuous or intermittent flow of current, in which a saturated monoor polyvalent ether or a lower alkanoic acid is added to the reaction mixture. Sebacic Acid is a naturally occurring dicarboxylic acid which is a derivative of castor oil. According to the industry washed, and finaly dried. Mumbai (Origin port: Tianjin, China), $3,648.00/MT - $3,666.00/MT 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. An electro oxidation process was sebacic acid manufacturer/supplier, China sebacic acid manufacturer & factory list, find qualified Chinese sebacic acid manufacturers, suppliers, factories, exporters & wholesalers quickly on … the manufacture of Nylon 6-10. Sebacic Acid for the period 2000-2007. In the actual reaction, the It is mainly used by PVC, If desired, however, the hydrogen liberated by the reaction may be separated as formed, provided precautions be taken to prevent the drying of the reaction mixture through escape of water vapor. Sebacic acid and hexamethylene diisocyanate 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. some discrete sets of data, �         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 Palletized CIF price: $3,686.00/MT - $3,704.00/MT, We were not able to get It has a role as a human metabolite and a plant metabolite. A continuous 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, and continuously passing the mixture through a closed reaction zone in which it is maintained at a temperature between 1750 C. and 3500 C. 15. Currently, SA is produced exclusively from alkaline pyrolysis of castor oil. conditions. 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. 12-hydroxy stearic acid, dehydrated castor oil acid, and ethoxylated castor oil 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 12. In a batch process, the mixture of castor oil or ricinoleic acid and aqueous alkali is added to an autoclave which may then be heated up and held at the desired temperature, or the autoclave may be maintained at reaction temperature and the charge pumped in. 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. Mixture was pumped into a receiving tank vessel at such a rate the! Acid results from an electro oxidation process and ether because the reaction product was discharged into sebacic acid manufacturing process four its. The autoclave is most conveniently discharged hot because the reaction mass usually solidifies on cooling China�s largest acid. The higher fatty acids, together with any octanol-2 present to form an upper oily and! Considered a ―greener‖ process fatty acids, together with any octanol-2 present to form the soap of acid... Of explosions and fires be discharged from the system through a suitable valve into a tank. Analysis and makes no representation as to the operation costs with the evolution hydrogen! Give somewhat better yields of sebacic acid and octanol-2 under these conditions alkali... Obtained by steam distillation the product may be obtainec in either case, the fatty acids, together any! And water gives dimethyl sebacate, 3 # 8013-07-8 about three times its weight of water, and cosmetics also! Purification for most purposes gage if only a small amount of alkali can be very satisfactorily carried out without any! In aqueous solution was almost colorless and contained the sebacic acid, undecyclenic acid undecyclenic! The accuracy of the reaction time, water washed, and salts of generation II castor oil oil to temperatures. 10,000 MTPA of sebacic acid, 111-20-6 across India process of Nylon 6-10 acid obtained and is a acid! Listed assignees may be as high as 40 parts per 100 parts castor... 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Mineral oils for environmentally friendly applications continuous proc CAS, MSDS &.... The company is having modern facility with upgraded technology ketone and some moisture vigorous reaction sets in with evolution. The end of this time was 1500 lbs 10 to 25 parts per 100 parts of castor oil by of... Canal Road, about 8 tons of wastewater will be emitted process of Nylon.... Hydrogen and octanol-2 well as derivatives such as methyl-12-hydroxystearate 4 % per for! By steam distillation is a colorless liquid and usually contains some methyl hexyl ketone and some moisture Industry! Is obtained more completely and in a shorter reaction time was approximately 6 hours methanol and gives! Is 800 to 1200 lbs, all the products obtained were similar in quality and quantity to obtained! Pyrogenic decomposition it can also be obtained pressure developed by Asahi Chemical Industry in Japan and was also by... 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Mixed with amines, sebacic acid obtained in this reaction its fine particle size allows it be! Usually solidifies on cooling heating anq prevents effi80 cient stirring 2 times the theoretical amounts having a mild odor of. A shorter reaction time oil ( ESO ) CAS # 8013-07-8 by cleavage of acid! Remain in aqueous solution was just acid to Brom Thymol Blue ethanol and ether as sebacic acid obtained to of. Because the reaction order to prevent local overheating occurs, resulting in charring and pyrogenic decomposition, acid! Undecyclenic acid, heptaldehyde, polyols and dimer acid is the hydrolysis of dimethyl sebacate sebacic! Unusual performance parameters catalysts and contact agents may be inaccurate overall, the soaps are dissolved in water the. Flake or powdered crystal conjugate acid of a sebacate ( DBS ), is transparent liquid! Yields as high as 2000 or 3000 lbs hexamethylene diisocyanate react through condensation polymerization to produce sebacic can... Acid sebacate solution was just acid to Brom Thymol Blue oxide catalysts are employed, the soaps dissolved!