3,3-Bis(4-hydroxy-m-tolyl)phthalid
Bezeichnung:3,3-Bis(4-hydroxy-m-tolyl)phthalid
CAS-Nr596-27-0
Englisch Name:o-Cresolphthalein
CBNumberCB6392671
SummenformelC22H18O4
Molgewicht346.38
MOL-Datei596-27-0.mol
Synonyma
3,3-Bis(4-hydroxy-m-tolyl)phthalid
3,3-Bis(4-hydroxy-m-tolyl)phthalid physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 223-225 °C |
| Siedepunkt | 401.12°C (rough estimate) |
| Dichte | 1.1425 (rough estimate) |
| Brechungsindex | 1.4400 (estimate) |
| storage temp. | room temp |
| Löslichkeit | Solubility Slightly soluble in water; soluble in ethanol |
| Aggregatzustand | powder |
| pka | 9.40(at 25℃) |
| Farbe | Clear colorless |
| Säure-Base-Indikators(pH-Indikatoren) | 8.2 (colorless) - 9.8 (violet/red) |
| PH | 8.2-9.8, colorless to red |
| Wasserlöslichkeit | slightly soluble |
| maximale Wellenlänge (λmax) | 566nm, 381nm |
| ε(Extinktionskoeffizient) | ≥10000 at 294-300nm ≥39000 at 564-570nm ≥5000 at 378-384nm |
| Merck | 14,2576 |
| BRN | 310554 |
| Major Application | Sensors, display device, photoresists, recording materials, imaging materials, authentication system for secure documents, decoder system, lithium cells, electroplating process, inks, markers, toners, correction fluid, paints, adhesives, floor coatings, gas leaking detector for safety in industries, toys, food storage, diapers, determination of calcium, lotions, urine analysis test strips, drugs, blood analysis |
| InChIKey | CPBJMKMKNCRKQB-UHFFFAOYSA-N |
| Kennzeichnung gefährlicher | Xn |
| R-Sätze: | 40-36/37/38-20/21/22 |
| S-Sätze: | 36/37-36-26 |
| RIDADR | 1170 |
| WGK Germany | 3 |
| RTECS-Nr. | SM8390000 |
| TSCA | Yes |
| HS Code | 3822.19.0080 |
