Product name

Salicylic Acid

SYNONYMS

Dihydroxy-benzoic acid

CAS NO.

69-72-7

CHEMICAL STRUCTURE

APPLICATION

API

PACKING INFORMATION:

THE GOODS ARE PACKING ACCORDING TO THE PACKAGE REQUIREMENT OF ORDINARY GOODS.

T

OUTSIDE PACKING

25KG/DRUM

INSIDE PACKING

25KG/BAG

SPECIFICATIONS

ITEMS

STANDARD

Appearance

White or almost white, crystalline powder or colourless crystals.

Identification Ferric Acid reaction test

Complies

Melting range

158-161℃

Chloride

≤0.014%

Sulfate

≤0.02%

Heavy metals

≤20μg/g

Loss on drying

≤0.5%

Residue on ignition

≤0.05%

Related substances

4-hydroxybenzoic acid

≤0.1%

4-hydroxyisophthalic acid

≤0.05%

Phenol

≤0.02%

Other impurities

≤0.05%

Total impurities

≤0.2%

Assay (HPLC)

99.5%-101.0%