INDIGO
POWDER
Name:
Indigo Powder
CAS# : 482-89-3
Formula : C16H10N2O2
Molecular Weight
: 262.62
H.S.CODE : 3204.1510
Packing : 25KG/PE
Bag, 14MT/20¡¯FCL
Structure:
.
Appearance:
Dark blue uniform powder
Properties: Not
dissolve in water and common organic solvents, such
as alcohol, ether etc.; dissolve in hot aniline and
fusion pheneyl anhydride; have very strong light permanency.
Using:
Mainly used in dying spun cotton,
cotton cloth, wool or silk. Pure product being used
in food dye or to produce organic pigment. Specifications:
| TEST |
SPECIFICATION |
| Appearance |
Dark blue uniform powder |
| Content |
94% min. |
| Fineness (pass 60 mesh) |
96% min. |
| Iron ion |
300 ppm max. |
| Moisture |
1.0% max. |