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Product:
Salicylic acid
Formula:
C7H6O3
CAS No.:
69-72-7
Product No.:
SP2054
Package:
25Kg/Drum or in terms of customer's requirements.

Physicochemical Properties

White crystalline powder, odorless,taste first slightly bitter, then turn spicy.

It is slightly soluble in water and soluble in acetone, turpentine, ethanol, ether, benzene and chloroform.

 

Specification

ITEM

SPECIFICATION

RESULT

Characters

A white, or almost white, 

crystalline powder or white or colourless,

acicular crystals,  

slightly soluble in water,

freely soluble in ethanol(96 per cent), 

sparingly soluble in methylene chloride

Confirmed

Identification

Melting point 158 to 161

158.4-160.3

 

The IR spectrum of sample complies with salicylic acid CRS

Confirmed

Appearance of solution

Solution is clear and colourless

Clear

Chlorides

100ppm NMT100PPM

<100ppm

Sulfates

200ppm NMT200ppm

<200ppm

Heavy metals

20ppm NMT20PPM

<20ppm

Loss on drying

0.5% NMT0.5%

0.02%

Residue on ignition

0.05% NMT0.05%

0.02%

Related substances

4-hydroxybenzoic acid

≤0.1%

0.001%

 

4-hydroxyisophthalic acid

≤0.05%

N.D

 

Phenol

≤0.02%

N.D

 

Any other impurities

≤0.05%

N.D

 

Total impurities

≤0.2%

0.001%

Assay(on dried basis)

Contains C7H6O3 99.0%-100.5%

99.6%

 

Applications and Usages

Cosmetic preservatives. It is mainly used in toilet water, prickly heat water, quinine water and other water cosmetics. In addition to antisepsis and sterilization, it also has the functions of eliminating sweat odor, relieving itching and swelling, and relieving pain and inflammation.