Synonym:C.I. Acid Black 52; Acid black 52; Acid Black 52; C.I. 15711; sodium 3-hydroxy-4-(2-hydroxy-1-naphthylazo)-7-nitronaphthalene-1-sulphonate; Acid Black 52 (15711); 4-[(2-hydroxynaphthalen-1-yl)hydrazono]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate; 1-naphthalenesulfonic acid, 3,4-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)hydrazinylidene]-7-nitro-3-oxo-, chromium sodium salt, (4E)- (3:2:2); 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-naphthalene-1-sulfonic acid
Appearance:Black powder
Density:1.64g/cm3
Solubility:It is red and black in water, soluble in ethanol and fibrinolysin, slightly soluble in acetone and insoluble in other organic solvents.
Application:N/A
Quality guarantee period: 36 months.
Packing: 25kgs paper carton.
Storage:Store in a cool and ventilated room and prevent moisture and heat.