Melting point:> 300 ° C (lit.)
Density :1.485
Storage condition:Store in dark!
Water solubility: 0.1 g / 100 mL (20 ºC)
Merck :14, 8926
BRN :908765
Stability: Stable. Incompatible with strong oxidizing agents.
Assay:99.5%
Cl:0.001%
Chemical properties: white or off-white crystal. The hydrate loses moisture at 100 ° C, and the anhydrides begin to decompose and carbonize at 280 ° C. The relative density of 1.485 (25/4). Slightly soluble in cold water, insoluble in ethanol, ether and benzene, a significant acid, soluble in caustic soda solution and sodium carbonate solution.
Upstream raw materials: aniline, sulfuric acid
Downstream products: acid yellow 2G, acid orange Ⅱ, alkaline yellow O, p-amino acid, anhydrous, methyl orange
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