INDIGO POWDER

SYNONYM: INDIGO BLUE

FORMULA: C₁₆H₁₀N₂O₂

M. W.: 262.27

CAS NO.: 482-89-3

C.I.NUMBER: VAT BLUE 1

DESCRIPTION: INDIGO IS ONE KIND OF VAT DYES.INSOLUBLE IN WATER, ALCOHOL AND ETHER.IT IS SOLUBLE IN BENZENE ANHYDRIDE.

SPECIFICATIONS:

APPEARANCE	DARK BLUE POWDER
STRENGTH	100
SHADE	SIMILAR TO STANDARD
PURITY	94%MIN
MOISTURE	1%MAX
PARTICLE SIZE (60MESH)	95%MIN

USES: IT IS MAINLY USED FOR DYING COTTON FABRICS.AND BULE JEANS.IT ALSO CAN BE HALOGENALTED AND SULFONATED FOR PRODUCING HALIDES AND SULFONATES.