Cresol Purple
- Product NameCresol Purple
- CAS2303-01-7
- MFC21H18O5S
- MW382.43
- EINECS218-960-6
- MOL File2303-01-7.mol
Chemical Properties
| Melting point | >250°C |
| Boiling point | 577.5±50.0 °C(Predicted) |
| Density | 1.404±0.06 g/cm3(Predicted) |
| bulk density | 480kg/m3 |
| storage temp. | room temp |
| solubility | Very slightly soluble in water, ethanol; soluble in methanol |
| form | Liquid |
| pka | 1.51, 8.32(at 25℃) |
| color | Dark green |
| PH Range | 1.2 (red) - 2.8 (yellow) and 7.4 (yellow) - 9.0 (purple) |
| Water Solubility | Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol. |
| ε(extinction coefficient) | ≥ 11000 at 295-301nm at 0.01g/L (0.01 G/L in 0.005 N NAOH in Methanol) ≥26000 at 578-584nm at 0.01g/L (in 0.005 N NAOH in Methanol) ≥8000 at 369-375nm at 0.01g/L (in 0.005 N NAOH in Methanol) |
| λmax | 579nm, 371nm |
| Merck | 14,2577 |
| BRN | 350314 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Major Application | Fuel cells, sensors, display device, falsification-proof security paper, inks, correction fluid, paints, detection of electrophilic gases, lubricants, cement products, packaging system, adhesive, cosmetics, food storage, determining glucose in dialysis solution, screening of cat diseases, detecting carbohydrates, oral hygiene products |
| EPA Substance Registry System | Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl- (2303-01-7) |
Safety Information
| Safety Statements | 24/25 |
| WGK Germany | WGK 2 water endangering |
| TSCA | Yes |
| HS Code | 2934 99 90 |
