Stearic Acid

Test

Specification

Description

White or almost white, waxy, flaky crystals, white or almost white hard masses,or white or yellowish-white powder

Solubility

Practically insoluble in water,soluble in ethanol(96 per cent) and in light petroleum(50-70℃)

Identification-A

Freezing point：53-59℃

Identification-B

Acid value:194-212

Identification-C

Meet the requirements

Acidity

Meet the requirements

Appearance(Color of solution)

Meet the requirements

Iodine value (gI₂/100g)

≤4.0

Nickel

≤1ppm

Stearic acid

40-60%

Stearic acid and palmitic acid

≥90.0%