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Molecular formula: CH3(CH2)16COOH
CAS NO.: 57-11-4
Molecular structural formula:
Application:
Stearic acid can be widely used in the pharmaceutical field, its hydrophobic properties can effectively prevent the tablets from moisture.
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Test Itmes |
Specification |
|
|
Standard |
USP |
EP |
|
Congealing point ℃ |
≥54 |
53-59 |
|
Acid Value |
194-212 |
|
|
Iodine value |
≤4.0 |
≤4.0 |
|
Residue on ignition % |
≤0.1 |
|
|
Heavy metals ppm |
≤10 |
Nickel≤1 |
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Mineral acid |
Meet the requirement |
|
|
Neutral fat or paraffin |
Meet the requirement |
|
|
Organic volatile impurities |
Meet the requirement |
|
|
Stearic acid % |
≥40 |
40-60 |
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Stearic acid & palmitic acid % |
≥90 |
≥90 |
Package
The PE film lined the polywoven bag. Net wt: 25kg/bag, or follow customer’s packing instructions.
助流剂
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