- Min.Order :1 Kilogram
- Purity: ≥98.0%
- Payment Terms : L/C,D/A,D/P,T/T,Other
Keywords
Phenolphthalein PHENOLPHTHALEIN PHENOLPHTHALEIN
Quick Details
- Appearance:A white or almost white powder
- Application:used in medicine
- PackAge:25kg/drum or as required
- ProductionCapacity:|Metric Ton|Day
- Storage:Room temperature
- Transportation:By sea by air Express
Superiority:
≥98.0% it conforms to USP23/BP2009
Details:
|
Characteristics |
A white or almost white powder，practically insoluble in water，soluble in alcohol |
|
Melting point |
It melts at about 260℃ |
|
Identification |
A: Positive B: Positive |
|
Appearance of solution |
The solution is clear and not more than intensely coloured than reference solution Y7 |
|
Related substances |
≤0.5% |
|
Heavy metals |
≤10ppm |
|
Arsenic |
≤8ppm |
|
Acidity or alkalinity |
Conforms |
|
Chloride |
≤0.01% |
|
Sulphates |
≤0.02% |
|
Organic volatile impurities |
To pass test |
|
Chromatogram impurity |
≤1.0% |
|
Fluoran |
To pass test |
|
Loss on drying |
≤0.5% |
|
Residue on ignition |
≤0.1% |
|
Assay |
98.0%~101.0%（C20H14O4) |
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