
The main products
Phenolphthalein
Phenolphthalein GMP I0473
MANUFACTURER | GUANGZHOU HANPU PHARMACEUTICAL CO.,LTD |
SPECIFICATION | CP2010/BP/USP/EP |
PACKING | 25KG/DRUM |
CAS | 77-09-8 |
Characteristics | A white crystalline powder |
Melting Point | 260℃~263℃ |
Identification | A:Complies B:Positive |
Color of solution | The solution is clear and not more intensely coloured than reference solution Y7 |
Sensitivity | Complies |
Granulariry | Complies |
Limit of fluoran | Complies |
Related substances | Less than 0.5% |
Heavy metals | Not more than10 ppm |
Acidity or alkalinity | Complies |
Chlorides | Not more than 0.01% |
Sulphates | Not more than 0.02% |
Loss on drying | Not more than 0.5% |
Sulphated ash | Not more than 0.1% |
Organic Volatile impurities | Complies |
Assay | 98.0%-101.0%(C20H14O4) |