Natrium-2-(p-(dimethylamino)phenylazo)benzoat
Bezeichnung:Natrium-2-(p-(dimethylamino)phenylazo)benzoat
CAS-Nr845-10-3
Englisch Name:Methyl Red sodium salt
CBNumberCB7112964
SummenformelC15H16N3NaO2
Molgewicht293.3
MOL-Datei845-10-3.mol
Synonyma
Natrium-2-(p-(dimethylamino)phenylazo)benzoat
Natrium-2-(p-(dimethylamino)phenylazo)benzoat physikalisch-chemischer Eigenschaften
| Schmelzpunkt | 178-182 °C |
| Siedepunkt | 64.7 °C |
| Dichte | 0.791 |
| Flammpunkt | 12 °C |
| storage temp. | Store at +5°C to +30°C. |
| Löslichkeit | H2O: soluble |
| Aggregatzustand | Solid |
| pka | 2.3, 5.0(at 25℃) |
| Colour Index | 13020 |
| Farbe | White to yellow or beige, darkening on exposure to light |
| PH | 8.2 (10g/l, H2O, 25℃) |
| Säure-Base-Indikators(pH-Indikatoren) | Red (1.2) to orange (3.4);Red (4.2) to yellow (6.3) |
| Geruch (Odor) | Odorless |
| Wasserlöslichkeit | Soluble in water. Slightly soluble in ethanol. |
| maximale Wellenlänge (λmax) | 437nm, 410nm, 493nm |
| BRN | 4065488 |
| Stabilität | Reported to be unstable, but this is probably a mistake on a commercial MSDS sheet. Incompatible with strong oxidizing agents. |
| Major Application | optical fibers, liquid crystal cells, holography, inks, toner, corrosion inhibitor, detergent |
| Kennzeichnung gefährlicher | Xn,C,F |
| R-Sätze: | 40-34-11 |
| S-Sätze: | 36/37-24/25-45-36/37/39-26-16 |
| RIDADR | UN 1170 3/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29270000 |
