Salicylic Acid By Hebei Jingye Chemical Co., Ltd.

We are instrumental in providing to our valuable customers excellent quality Salicylic Acid which is available with following specification:-
Name: Salicylic acid; O-hydroxybenzoic acid
Molecular formula: C7H6O3
Molar mass: 138.12
Density: 1.443 g/cm3
Acidity (pKa): 2.97[1]
CAS No: 69-72-7

Salicylic acid is a white crystalline powder or needle-shaped crystals with sweetish taste. It is widely used as syntheses material intermediates in pesticide production\pharmaceutical industry\dyestuff and rubber industry.

Quality Control:
Salicylic acid of industrial grade
ITEM STANDARD
Appearance pale pink to light brown crystalline powder
Purity(%) 99.00
Initial melting point(c) 156.0
Ash content(%) 0.30
Free phenol(%) 0.20
Sulphate(%) 0.30
Moisture(%) 0.20

Salicylic acid of sublimate grade
ITEM STANDARD
Appearance white acicular crystal or crystalline powder
Initial melting point(c) 158.0
Moisture(%) 0.40
Free phenol(%) 0.20
Easily carbonised substance 6#
Black point 12/20g
Foreign matter 5/20g
Purity(%) 99.00

Salicylic acid of medicinal grade
ITEM STANDARD
Appearance white acicular crystal or crystalline powder
Melting point(c) 158~161
4-hydroxy benzoic acid(%) 0.1
4-hydroxyisophthalic acid(%) 0.05
Phenol(%) 0.02
Other single impurity peak(%) 0.05
Total impurities(%) 0.20
Residue on ignition(%) 0.10
Heavy metal 10PPm
Purity(%) 99.5.