| Product Name | Toluidine Red |
| CAS No. | 2425-85-6 |
| Synonyms | C.I. 12120; C.I. Pigment Red 3; 1-(4-Methyl-2-nitrophenylazo)-2-naphthol; Pigment Red 3; 1-[(4-methyl-2-nitrophenyl)hydrazono]naphthalen-2(1H)-one; (1Z)-1-[(4-methyl-2-nitrophenyl)hydrazono]naphthalen-2(1H)-one |
| InChI | InChI=1/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,18H,1H3/b19-17- |
| Molecular Formula | C17H13N3O3 |
| Molecular Weight | 307.3034 |
| Density | 1.32g/cm3 |
| Melting point | 270-272℃ |
| Boiling point | 491.9°C at 760 mmHg |
| Flash point | 251.3°C |
| Refractive index | 1.66 |
| Hazard Symbols |  Xn:Harmful; |
| Risk Codes | R40:Possible risks of irreversible effects.; |
| Safety | S36/37:Wear suitable protective clothing and gloves.; S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).; |
2425-85-6 toluidine red
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