Butylparaben supplier 4-hydroxy-benzoicacibutylester factory high quality Butyl-p-hydroxybenzoat
Product Name |
Butyl paraben |
CAS No |
94-26-8 |
Batch No |
20190310 |
Manufacturing date |
20190310 |
Expiry date |
20210309 |
Index Name |
Specification |
Result |
Appearance |
White Crystal Powder |
conforms |
Purity (on dry base ) |
98.0%-102.0% |
99.3% |
Melting point |
68.0℃-72.0℃ |
69.8℃ |
Acid |
Passed |
Passed |
Identification |
A. Infrared absorption Spectrophotometry |
conforms |
B.Thin-Layer Chromatographic |
conforms |
|
Residue |
≤0.1% |
0.05% |
Loss on drying |
≤0.50% |
0.30% |
Organic Volatile Impuritie |
Passed |
Passed |
Heavy Metal (Pb) |
≤10ppm |
conforms |
Conclusion |
We confirm that the goods are complied with the USP36 standard |
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