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Product Name: Allantoin
CAS NO.: 97-59-6
Description:
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Specification |
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Appearance: |
White needle crystal or powder. |
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pH value(in 1% solution): |
4.5-6.0 |
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Melting point: |
226-240 celsius degree |
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Related substance: |
Not more than 0.5% |
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Loss on drying: |
Not more than 0.5% |
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Residue on Ignition: |
Not more than 0.1% |
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Heavy metals (Pb): |
Not more than 10ppm |
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Assay (by HPLC): |
Not less than 99% | |
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