NIGROSINE (WATER SOLUBLE)
PRODUCT NAME : NIGROSINE (WATER SOLUBLE)

COLOUR INDEX : ACID BLACK 2

COLOUR INDEX NO.: 50420

C.A.S. NO. : 8005-03-6

CHEMICAL CLASS : AZINE

PHYSICAL APPEARANCE : POWDER/CRYSTALS

APPEARANCE : HOMOGENEOUS

SOLUBILITY AT 60o C : g/L > 30o.

pH 20o C : 0.5 g/L 9.75 ± 0.75

ABSORBANCE WAVELENGTH : 570µ 118% ± 2