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| Product Name: | Pigment Red 23 |
| CAS Registry Number: | 6471-49-4 |
| EINECS: | 229-313-2 |
| Synonyms: | 3-Hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-N-(3-nitrophenyl)naphthalene-2-carboxamide;Pigment Red 23; Pigment Red 245;C.I. 12355;-; |
| Molecular Structure: |
 |
| Molecular Formula: | C24H17N5O7 |
| Molecular Weight: | 487.43 |
| Density: | 1.47 g/cm3 |
| Boiling Point: | 692.8 °C at 760 mmHg |
| Melting Point: | 330-340 ºC |
| Flash Point: | 372.8 °C |
| Refractive index: | 1.693 |
| Safety Statements: | A questionable carcinogen. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. |