Description
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Material: Stearic acid |
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CAS No.: 57-11-4 |
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ITEM |
STANDARD |
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Description |
White or almost white, waxy, flaky crystals, white or almost white hard masses, or white or yellowish-white powder. |
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Solubility |
Practically insoluble in water, soluble in ethanol (96%) and in light petroleum (50-75℃) |
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Identification A, B, C |
Complies |
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Acidity value |
194-212 |
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Acidity |
Complies |
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Freezing point |
53-59℃ |
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Iodine value |
≤4.0% |
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Residue on ignition |
≤0.1% |
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Heavy Metals |
≤10ppm |
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Stearic acid |
40.0%-60.0% |
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Stearic acid and palmitic acid |
≥90.0% |
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Conclusion: |
The above product conforms to USP. Standard. |