|
| Product No.:km-313 |
| Product Name:Phenolphthalien |
| Cas No.:77-09-8 |
| Molecular Formula:C20H14O4 |
| Molecular Weight:318.33 |
| Package:25KG/fibre drum |
Pharmacy grade BP2009 / EP6
|
Appearance |
White powder |
|
Assay |
98.0% -101.0% |
|
Melting point |
260’C min. |
|
|
|
|
|
Identification
Acidity or alkaline |
Positive
Pass |
|
Solution appearance |
Pass |
|
Related substances |
0.5% max |
|
Chloride |
100ppm Max |
|
Sulfate |
200ppm Max |
|
|
|
|
|
Heavy metals
Loss on drying
Sulfate ash |
10ppm Max
0.5% max.
0.1% max |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Reagent grade
|
Appearance |
White powder |
|
PH transition interval |
8.0(colorless)-10 (dark purple-red) |
|
Mass-absorption coefficient (L/cm.g) |
68.5-75.0 |
|
Ethanol soluble test |
Qualified |
|
Residue on ignition ( as sulfate) |
0.05% min. |
|
Loss on drying |
1.0% min |
|
|
|
