Transport Package: | Bag |
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Specification: | 99% |
Trademark: | kmbk |
Origin: | China |
Samples: |
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Customization: |
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Propylparaben Typical Properties
ITEM |
STANDARD |
Appearance |
White crystal powder |
Assesment |
HPL C |
Assay |
98 % -102 % |
Organic impurities |
p-Hydroxybenzoic acid NMT 0.5% |
Unspecified impurities NMT 0.5% |
|
Total impurities NMT 1.0% |
|
Residue , % |
≤0.1 |
Melting Point , ºC |
96-99 |
Acid |
Passed |
Appearance of solution |
Passed |
Residual Solvents |
3000 ppm Me thanol maximum |
Heavy Metal (Pb ) |
≤10ppm |
Loss on drying , % |
≤ 0.50 |