Decanedioic acid CAS 111-20-6, also known as n-decanedioic acid, 1,10-decanedioic acid, 1,8-octanedicarboxylic acid, and sebacic acid. Sebacic acid belongs to the aliphatic dicarboxylic acid group and is present in flue-cured tobacco leaves, burley tobacco leaves, and oriental tobacco leaves. At room temperature, sebacic acid is a white crystalline flake, with a slight yellow color in industrial products. Slightly soluble in water, insoluble in benzene, petroleum ether, carbon tetrachloride, and easily soluble in ethanol and ether. Sebacic acid is flammable and low toxic. Oral administration is harmful and has irritating effects on the eyes, respiratory system, and skin. Made from natural castor oil or adipic acid monoesters, it is mainly used to produce esters of sebacic acid, which have a wide range of uses. The molecular formula of sebacic acid is C10H18O4, and the chemical structure formula is HOOC (CH2) 8COOH.

Chinese name: sebacic acid

Foreign name: Decanedioicacid

Nickname: sebaceous acid, 1,8 octyl dicarboxylic acid

Chemical formula: C10H18O4

Molecular weight: 202.247

CAS login number: 111-20-6

EINECS login number: 203-845-5

Melting point: 133 to 137 ℃

Boiling point: 374.3 ℃

Water solubility: Slightly soluble in water, insoluble in benzene, petroleum ether, carbon tetrachloride, and easily soluble in ethanol and ether.

Density: 1.106g/cm ³

Appearance: White flaky crystals

Flash point: 198.33 ℃

Refractive index: 1.422

Physical property

【 Appearance 】 At room temperature, sebacic acid is a white crystalline flake, with a slight yellow color in industrial products.

Boiling point: 760mmHg (℃) 374.3

13.3kPa 294.5

Melting point: (℃) 130-134.5

Flash point: ℃ (closed type) 220

Density: g/mL (20 ℃) 1.2705

【 Refractive Index 】 nD1341.422

[Steam pressure] mmHg (25 ° C) 1.24E-06

【 Solubility 】 Slightly soluble in water (1g sebacic acid soluble in 700ml of water or 60ml of boiling water), insoluble in benzene, petroleum ether, carbon tetrachloride, and easily soluble in ethanol and ether.

Stability

Chemical property

[CAS login number] 111-20-6

[EINECS login number] 203-845-5

[Molecular Weight] 202.25

The molecular formula and structural formula of sebacic acid is C10H18O4, and the chemical structural formula is HOOC (CH2) 8COOH.

Sebacic acid has the general properties of carboxylic acids, such as reacting with bases to form salts and alcohols to form lipids.

【 Forbidden compound 】 Strong alkali, strong oxide.

Main purpose

Sebacic acid has a wide range of uses, mainly used to produce esters of sebacic acid. Its esters have a wide range of uses, such as dibutyl sebacate, dioctyl sebacate, and diisooctyl sebacate. These esters can be used as plasticizers for plastics and cold resistant rubber, as well as in the production of polyamides, polyurethane, alkyd resins, synthetic lubricants, lubricant additives, as well as spices, coatings, cosmetics, etc. It can also be used as a raw material for the production of nylon 1010, nylon 910, nylon 810, nylon 610, and nylon 9, as well as a raw material for high-temperature resistant lubricating oil diethylhexyl ester. It is also a raw material for producing alkyd resins (used as surface coatings, plasticized nitrocellulose coatings, and urea resin varnishes), as well as plasticizers, softeners, and solvents for polyurethane rubber, cellulose resin, vinyl resin, and synthetic rubber.

Packaging, storage, and transportation

Sebacic acid is packaged in gunny bags or woven bags lined with plastic bags. Each bag has a net weight of 25kg, 40kg, 45kg, or 50kg. Store in a cool and ventilated place, protected from fire and moisture. Store separately from strong acids, anhydrides, bases, and oxides. Keep away from ignition and heat sources, and store and transport according to regulations for flammable materials.

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