사업분야
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사업분야
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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 |
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|
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 |
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|
Chlorides |
≤100ppm NMT100PPM |
<100ppm |
|
|
Sulfates |
≤200ppm NMT200ppm |
<200ppm |
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|
Heavy metals |
≤20ppm NMT20PPM |
<20ppm |
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|
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% |
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|
4-hydroxyisophthalic acid |
≤0.05% |
N.D |
|
|
Phenol |
≤0.02% |
N.D |
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|
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.
