Phenolphthalein, 98.5%, Indicator Grade, Pure
Product Code. |
1973A |
Grade |
Indicator Grade |
Purity |
98.5% |
CAS No. |
77-09-8 |
Molecular Formula |
C20H14O4 |
Molecular Weight |
318.32 |
H.S.Code |
2932.20900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White powder |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
261 - 263 °C |
Density [g/cm3] |
1.299 |
Solubility in water [% weight] |
Slightly soluble in water |
Packaging
Specification
| Appearance (Color) | White to almost white |
| Appearance (Form) | Powder |
| Infrared spectrum | Conforms |
| Assay | 98.0 to 102.0 % |
| Loss on drying | =<0.5 % (105°C) |
| Chloride (Cl) | =<100 ppm |
| Sulfate (So4) | =<200 ppm |
| Acidity/alkalinity | (per Ph. Eur.) Passes test |
| Heavy metals (as Pb) | =<10 ppm |
| Sulfated ash | =<0.1 % |
| Color of solution | (per Ph. Eur.) Passes test |
Safety Information and Hazard Symbols
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H341-H350-H361
Precaution Statement: P201-P281-P308 + P313