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    | product Name | A-naphthyl red hydrochloride |  
    | Synonyms | C.I. 11350; C.I. Solvent Yellow 4; C.I. Solvent Yellow 4 (8CI); 1-Naphthalenamine, 4-(2-phenyldiazenyl)-; 4-Phenylazo-1-naphthylamine; 4-[(E)-phenyldiazenyl]naphthalen-1-amine; 4-phenylazonaphthalen-1-amine |  
    | Molecular Formula | C16H13N3 |  
    | Molecular Weight | 247.2945 |  
    | InChI | InChI=1/C16H13N3/c17-15-10-11-16(14-9-5-4-8-13(14)15)19-18-12-6-2-1-3-7-12/h1-11H,17H2 |  
    | CAS Registry Number | 131-22-6 |  
    | EINECS | 205-018-4 |  
    | Molecular Structure |   |  
    | Density | 1.17g/cm3 |  
    | Boiling point | 451.4°C at 760 mmHg |  
    | Refractive index | 1.647 |  
    | Flash point | 226.8°C |  
    | Vapour Pressur | 2.45E-08mmHg at 25°C |  
    | Hazard Symbols |  |  
    | Risk Codes |  |  
    | Safety Description |  |  |