Dimeric acid CAS 61788-89-4, usually referred to as dimeric fatty acid, is a complex mixture of components and a colorless transparent liquid. Relative density 0.95, flash point 280-350 ℃. Soluble in almost all solvents such as acetone, ethanol, ether, and aliphatic and naphtha.

Chinese name: dimeric acid

Foreign name: C36 Dimer acid

Molecular weight: 560.91

CAS login number: 61788-89-4

EINECS login number: 500-148-0

Density: 0.95 g/cm ³

Appearance: Colorless transparent liquid

Application: Dimeric acid is an important oil chemical widely used in industries such as coatings, surfactants, lubricants, printing inks, and hot melt adhesives.

Physical and chemical properties

Dimeric acids, usually referred to as dimeric fatty acids, are a complex mixture of components named after the main component containing two carboxylic acid groups. It is obtained through mutual polymerization of unsaturated fatty acids, such as oleic acid and linoleic acid. Dimeric acids have excellent thermal stability and can maintain fluidity over a wide temperature range

Main purpose

It has been widely used in the fields of synthetic printed circuit board materials, ink manufacturing, rocket engine materials, etc. The dimeric acid with higher purity is a light yellow viscous liquid, while the dimeric acid with lower purity is a reddish brown viscous liquid. Usually, vegetable oil residue is used as the raw material to obtain the crude product through high-temperature and high-pressure reaction under the action of a catalyst, and then the pure product is obtained through molecular distillation treatment.

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