Chlorophenol Red Indicator AR 99%
Chlorophenol red is used for biological research to stain certain kinds of cells.
3',3'-Dichlorophenolsulfonaphthalein ;pH 4.8 - 6.4 Yellow to Purple
Product Code. |
00782 |
Grade |
|
Purity |
CAS No. |
4430-20-0 | |
Molecular Formula |
C19H12Cl2O5S |
Molecular Weight |
423.27 |
H.S.Code |
2934.99000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Red powder |
Solubility in water [% weight] |
Partially soluble in water |
Packaging
Specification
| Appearance | Green to red-brown to brown powder |
| pH 4.8 - 6.4 | Yellow to purple |
| Absorption maxima in NaOH 0.1 mol/L | 572 - 575 nm |
| Solubility (0.1% in ethanol) | Clear Solution |
| Absorptivity (A 1%/1cm; at lmax) | Min. 1000 |
| Loss on drying | Max. 8.0% |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338