Sebacic acid CAS# 111-20-6
Sebacic acid, Promotion Season Now in Store and Free Sample for Testing with Factory Price
- Appearance: WHITE GRANULAR
- Assay: 99.5%min
- Packaging: 25kg/ Woven Bag.
- Sample: Available
Sebacic acid: The Complete Guide
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Quality Control of Sebacic acid
Quality Control & MSDS
Packing of Sebacic acid
Description of Sebacic acid
Sebacic acid is a naturally occurring dicarboxylic acid with the structure (HOOC)(CH2)8(COOH).
In its pure state it is a white flake or powdered crystal. The product is described as non-hazardous, though in its powdered form it can be prone to flash ignition (a typical risk in handling fine organic powders).
Sebaceus is Latin for tallow candle, sebum is Latin for tallow, and refers to its use in the manufacture of candles. Sebacic acid is a derivative of castor oil, with the vast majority of world production occurring in China which annually exports over 100,000 metric tonnes, representing over 90% of global trade of the product.; In the industrial setting, sebacic acid and its homologues such as azelaic acid can be used as a monomer for nylon 610, plasticizers, lubricants, hydraulic fluids, cosmetics, candles, etc. Sebacic acid is also used as an intermediate for aromatics, antiseptics, and painting materials.
Sebacic acid is produced from castor oil by using sodium hydroxide, sulfuric acid with catalysts including zinc oxide and phenol. Byproducts include glycerol, octanol and polymer residue.
Basic Info of Sebacic acid
Appearance & Physical State
294.4ºC (100 mmHg)
1 g/L (20 ºC)
Stable. Combustible. Incompatible with strong oxidizing agents, bases, reducing agents.
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. No special precautions indicated.
1 mm Hg ( 183 °C)
What is Sebacic acid?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product isSebacic acid which has developed particularly rapidly in recent years. Do you know aboutSebacic acid?
The official answer: Decanedioic acid (English name Decanedioicacid) also known as n-decanedioicacid (n-decanedioicacid) 1,10-decanedioic acid (1,10-decanedioic acid), 1,8-octanedicarboxyli cacid (1,8-octanedioic acid), sebacic acid ( Sebacicacid). Sebacic acid is an aliphatic dibasic acid and is found in roasted tobacco, white tobacco, and spice tobacco. At room temperature, sebacic acid is white flaky crystals, and the industrial product is slightly yellow. Slightly soluble in water, insoluble in benzene, petroleum ether, carbon tetrachloride, easily soluble in ethanol and ether. Sebacic acid is flammable, low toxicity. Harmful by mouth, irritating to eyes, respiratory system, and skin. Made from natural castor oil or adipic acid monoesters, it is mainly used to make esters of sebacic acid, whose esters are widely used. The molecular formula of sebacic acid is C10H18O4, and the chemical structure formula is HOOC(CH2)8COOH.
What’s the application of Sebacic acid?
Sebacic acid is widely used to make esters of sebacic acid. Its esters are widely used, such as dibutyl sebacate, dioctyl sebacate, and dioctyl sebacate. These esters can be used as plasticizers for plastics and cold-resistant rubber, and also used to make polyamides, polyurethane, alkyd resins, synthetic lubricants, lubricant additives, as well as fragrances, coatings, and cosmetics. They are also used as raw materials for the production of nylon 1010, nylon 910, nylon 810, nylon 610, nylon 9, and diethylhexyl ester for high-temperature resistant lubricants. It is also used as raw material for the production of alkyd resin (used as surface coating, plasticizing nitrocellulose coating, and urea resin varnish) and polyurethane rubber, cellulose resin, vinyl resin and plasticizer, softener, and solvent for synthetic rubber.
Manufacturing methods: sebacic acid was first obtained by dry distillation of castor oil with alkali, later developed synthetic methods, and is currently developing a new route for the fermentation of petroleum n-alkanes to sebacic acid. Another production method of sebacic acid is the electrolytic oxidation method of adipic acid developed by Asahi Kasei Industries, Japan, which is not produced on a large scale because of the higher cost compared with the castor oil alkali decomposition method.
(1) castor oil cracking method: castor oil is heated under the action of alkali hydrolysis to generate ricinoleic acid sodium soap, then add sulfuric acid to generate ricinoleic acid; in the presence of diluent cresol, add alkali heated to 260-280 ℃ for cracking, generating sebacic acid bis-sodium salt and secoctanol and hydrogen, cracked material diluted by water, heated and neutralized with acid, the bis-sodium salt into monosodium salt; then decolorized with activated carbon, boiling the neutralization solution Add acid to make sebacic acid monosodium salt into sebacic acid crystal precipitation, and then separated and dried to get the finished product. Raw material consumption quota: castor oil (industrial product) 2100kg/t, sulfuric acid (98) 1600kg/t, caustic soda (95) 1200kg/t, cresol (industrial product) 100kg/t.
(2) Petroleum n-decane fermentation method: Using 200# solvent oil or n-decane made by separation in 166-182℃ fraction, sebacic acid can be made by fermenting with 19-2 lipolytic pseudo-serum yeast.
(3) New cyclopentanone method: using palladium salt – copper or iron as a catalyst, in the solvent of ethanol, propanol or other alcohols, under the moderate conditions of low temperature and atmospheric pressure at 40-60℃, cyclopentene is oxidized with air to generate cyclopentanone, and then oxidized and dimerized with an iron catalyst to make sebacic acid.
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