| Identification | |
| Name: | Toluidine Red |
| Synonyms: | 1-(4-Methyl-2-nitrophenylazo)-2-naphthol; C.I. 12120; Pigment Red 3; toluidine red (C.I. 12120) |
| CAS: | 2425-85-6 |
| EINECS: | 219-372-2 |
| Molecular Formula: | C17H13N3O3 |
| Molecular Weight: | 307.31 |
| 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/h2-10,21H,1H3/b19-18+ |
| Molecular Structure: |  |
| Properties | |
| Transport: | OTH |
| Density: | 1.32 g/cm3 |
| Stability: | Stable. May be moisture sensitive. Incompatible with strong oxidizing agents. |
| Refractive index: | 1.66 |
| Water Solubility: | Insoluble in water |
| Solubility: | Insoluble in water |
| Appearance: | red to orange powder |
| Storage Temperature: | Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. |
| Color: | Yellowish red solid Hue varies considerably with particle size and therefore several shades are commercially available. |
| Usage: | Used in manufacture of paints, inks, plastics, rubber, textile printing. |
| Safety Data | |
| Hazard Symbols |
Xn:Harmful
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