Characteristic:
Appearance and properties: orange yellow scaly crystals or powder.
pH:6.5
Melting point:> 300
Solubility: slightly soluble in water, insoluble in ethanol, soluble in hot water. Hazard characteristics:
IATA-DGR UN 2811 TOXIC SOLID, ORGANIC,N.O.S(METHYL ORANGE),6.1,Ⅲ