C.I. 12100; external D&C orange 4; 1-[(2-methylphenyl)azo]-2-naphthalenol; 1-(2-methylphenylazo)-2-naphthol; oil orange SS; orange SS; orange OT; solvent orange 2; o-tolueno-azo-β-naphthol; 1-o-tolylazo-2-naphthol | |
CAS RN: | [2646-17-5] |
Formula: | C17H14N2O; 262.31 g/mol |
InChiKey: | YARMASSTSUTDQJ-ZPHPHTNESA-N |
SMILES: | Cc1ccccc1NN=C2/C(=O)C=Cc3ccccc23 |
Use: | solvent dye |
Colour: | ⬤ |
Toxicology (LD50): | 240 mg/Kg (dog, iv); 120 mg/Kg(rabbit, iv); 1 500 mg/Kg(rabbit, or) |
Melting point: | 125 °C |