PHENOLPHTHALEIN INDICATOR
PHENOLPHTHALEIN INDICATOR
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Short Name: PHENOLPHTHALEIN INDICATOR
Other Names: 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
(indicator) POWDER
Chemical Specifications
Appearance : A white to off white powder
pH range (8.2 - 10.0) : Colourless to red-violet
Absorption maxima (buffer pH 9.8) : 551 - 554 nm
Sensitivity : Passes test
Sulphated ash : Max 0.05%
Chloride (Cl) : Max 0.01%
Sulphate (SO4) : Max 0.01%
Loss on drying (at 110°C) : Max 1%
| Basic | |
| CAS No. | 77-09-8 |
| HS Code | 2932.2090 |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.33 |
| Shelf Life | 60 Months |
| Physical Properties | |
| Colour | Colour |
| Density [g/cm3] | Density [g/cm3] |
| Melting point/ Freezing point [°C] | Melting point/ Freezing point [°C] |
| Odour | Odour |
| Physical state at 20 °C | Physical state at 20 °C |
| Solubility in water [% weight] | Solubility in water [% weight] |
| Safety | |
| Hazardous Statement | H341-H350-H361 |
| Precaution Statement | P201-P281-P308 + P313 |
| Signal Word | Danger |
| Symbol | GHS08 |