m-Kresolpurpur
Bezeichnung:m-Kresolpurpur
CAS-Nr2303-01-7
Englisch Name:Cresol Purple
CBNumberCB7722734
SummenformelC21H18O5S
Molgewicht382.43
MOL-Datei2303-01-7.mol
Synonyma
m-Kresolpurpur
m-Kresolpurpur physikalisch-chemischer Eigenschaften
| Schmelzpunkt | >250°C |
| Siedepunkt | 577.5±50.0 °C(Predicted) |
| Dichte | 1.404±0.06 g/cm3(Predicted) |
| chüttdichte | 480kg/m3 |
| storage temp. | room temp |
| Löslichkeit | Very slightly soluble in water, ethanol; soluble in methanol |
| Aggregatzustand | Liquid |
| pka | 1.51, 8.32(at 25℃) |
| Farbe | Dark green |
| Säure-Base-Indikators(pH-Indikatoren) | 1.2 (red) - 2.8 (yellow) and 7.4 (yellow) - 9.0 (purple) |
| Wasserlöslichkeit | Soluble in water and sodium hydroxide solution. Slightly soluble in alcohol. |
| ε(Extinktionskoeffizient) | ≥ 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) |
| maximale Wellenlänge (λmax) | 579nm, 371nm |
| Merck | 14,2577 |
| BRN | 350314 |
| Stabilität | 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 chemische Informationen | Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl- (2303-01-7) |
