INDIGO POWDER

 

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.