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Sublimation salicylic acid | |
Purpose: It is mainly used for aspirin raw materials, materials for pesticide of Isocarbophos, | |
Quality standard: | |
Appearance (observe from crushed samples) |
white block and powder; allows micro-yellow and |
Salicylic acid content% | ≥99.0 |
Initial. M.P.℃ | ≥158.0 |
Moisture content% | ≤0.40 |
Free benzoic acid content % | ≤0.20 |
Readily carbonizable substances may not | size six |
Number of black spots | ≤15 |
Number of foreign body | ≤5 |
Packaging: polyethylene plastic film and woven bag 40KG / bag or 25KG / bag. | |
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Medicinal salicylic acid | |
Purpose: It is mainly used to restrain the inhibition of fungal growth of skin keratinocytes and dissolve foreign agents, such as beriberi water, athlete's foot powder, foot powder-ray, also it | |
Quality Standard: "The Chinese Pharmacopoeia 2005 Second Edition" | |
Traits (solid-like) |
Fine white needle crystal or white crystalline |
Content% | ≥99.5 |
Melting point ℃ | 158-161 |
Phenol% | ≤0.10 |
Residue on ignition% | ≤0.10 |
Heavy metal PPM | ≤10 |
Packaging: polyvinyl plastic film and woven bag 50KG / bag or 25KG / bag, 500KG / package. | |
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Industrial salicylic acid | |
Purpose: it is mainly used in pesticides, dyes, rubber industry; also it can be used in methyl salicylate and other medical products | |
Quality Standards: no answer yet |
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Appearance | light pink to brown crystalline powder |
Salicylic acid content% | ≥99.0 |
Dried early melting point ℃ | ≥156.0 |
Phenol content% | ≤0.20 |
Ash% | ≤0.30 |
Packaging: polyvinyl plastic film and woven bag 25KG / bag. | |
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2005 version of salicylic acid |
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Index name | index |
Salicylic acid content% | 99.00-100.5 |
Trait | the product is white or colorless needle-like crystalline powder |
Melting point ℃ | 158-161 |
Liquid transparency and color | transparency, colorless |
Heavy metal ≤ | 20PPM |
Chloride ≤ | 10PPM |
Loss on drying% ≤ | 0.5 |
Sulfated Ash% ≤ | 0.1 |
Sulfate | 200PPM |
Packaging: polyvinyl plastic film and woven bag 50KG / barrel or 25KG / bag, 500KG / package. | |
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USP29 | |
Index name | index |
Salicylic acid content% | 99.00-100.5 |
Trait | the product is white or colorless needle-like crystalline powder |
Melting point ℃ | 158-161 |
Liquid transparency and color | transparency, colorless |
Heavy metal ≤ | 20PPM |
Chloride ≤ | 10PPM |
Loss on drying% ≤ | 0.5 |
Sulfated Ash% ≤ | 0.1 |
Sulfate | 200PPM |
Packaging: polyvinyl plastic film and woven bag 50KG / barrel or 25KG / bag, 500KG / package. | |
