SORBIC ACID

Product Name

: SORBIC ACID

C.A.S. No.

: 110-44-1

Molecular Formula

: C₆H₈O₂

Molecular Weight

: 112.1

SPECIFICATION

IP

BP

USP

Description

White, or almost white Crystalline powder

White or almost white, crystalline powder.

White or almost white, crystalline powder.

Solubility

-

Slightly Soluble in water freely soluble in ethanol (96 %).

-

Appearance of solution

(5 % w/v solution) Solution is clear and colorless.

(1.25 % w/v solution)Solution is clear and colorless.

-

• Identification

• Melting point

• UV Spectrophotometer

• IR

• BY color

• Comparison sorbic Acid RS or reference spectrum of sorbic acid

• absorbance at about 264 nm 0.43 to 0.51

• The solution is Decolorised

• 132^oC to 136^oC

• 230-350 nm

• Comparison sorbic Acid CRS

• The solution is decolorised.

• The color is discharged

• 254 + 2 nm

Aldehydes

NMT 0.15%

NMT 0.15 %

-

Heavy metals

NMT 10 ppm

-

NMT 10 ppm

Water

NMT 1.0 %

NMT 1.0 %

NMT 0.5 %

Organic Volatiles

-

-

Meets the requirement

Residual Solvents

-

-

Meets the requirement

Sulphated Ash

NMT 0.2 %

NMT 0.2 %

NMT 0.2 %

Assay

99.0 % - 101.0 %

99.0 % - 101.0 %

99.0 % - 101.0 %