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PRODUCT CENTER
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Product Name |
Salicylic acid |
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Applications |
Keratolytic, used for skin diseases with thickened stratum corneum like psoriasis and ichthyosis, helps exfoliate and promotes drug penetration.Antiacne, clears sebum in hair follicles, reduces inflammation, and decreases acne.Antifungal, treats tinea corporis, tinea cruris and other skin fungal infections.Has local anesthetic effect, applied in topical analgesic preparations to relieve muscle, joint and nerve pain.Serves as an intermediate for synthesizing drugs like aspirin and salicylamide.Used to prepare pulp devitalizers for pain - relief in pulp treatment. |
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Typical Properties |
Appearance |
A white or almost white crystalline powder or white or colorless, acicular crystals, slightly soluble in water, freely soluble in ethanol, sparingly soluble in methylene chloride |
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Identification A |
Melting point 158-161 ℃ |
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Identification B |
The IR spectrum of sample complies with salicylic acid CRS |
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Identification C |
Positive |
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Assay,% |
99.0-100.50 |
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Loss on drying,% |
≤0.5 |
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Sulphated ash,% |
≤0.1 |
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Heavy metals,ppm |
≤20 |
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Releated substances |
4-Hydroxybenzoic acid ≤0.1 |
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4-Hydroxyisophthalic acid ≤0.05 |
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Phenol≤0.02 |
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Other impurities≤0.05 |
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Total impurities≤0.2 |
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Chloride,ppm |
≤100 |
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Sulfate,ppm |
≤200 |
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|
Product Name |
Salicylic acid |
|
|
Applications |
Keratolytic, used for skin diseases with thickened stratum corneum like psoriasis and ichthyosis, helps exfoliate and promotes drug penetration.Antiacne, clears sebum in hair follicles, reduces inflammation, and decreases acne.Antifungal, treats tinea corporis, tinea cruris and other skin fungal infections.Has local anesthetic effect, applied in topical analgesic preparations to relieve muscle, joint and nerve pain.Serves as an intermediate for synthesizing drugs like aspirin and salicylamide.Used to prepare pulp devitalizers for pain - relief in pulp treatment. |
|
|
Typical Properties |
Appearance |
A white or almost white crystalline powder or white or colorless, acicular crystals, slightly soluble in water, freely soluble in ethanol, sparingly soluble in methylene chloride |
|
Identification A |
Melting point 158-161 ℃ |
|
|
Identification B |
The IR spectrum of sample complies with salicylic acid CRS |
|
|
Identification C |
Positive |
|
|
Assay,% |
99.0-100.50 |
|
|
Loss on drying,% |
≤0.5 |
|
|
Sulphated ash,% |
≤0.1 |
|
|
Heavy metals,ppm |
≤20 |
|
|
Releated substances |
4-Hydroxybenzoic acid ≤0.1 |
|
|
4-Hydroxyisophthalic acid ≤0.05 |
||
|
Phenol≤0.02 |
||
|
Other impurities≤0.05 |
||
|
Total impurities≤0.2 |
||
|
Chloride,ppm |
≤100 |
|
|
Sulfate,ppm |
≤200 |
|
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