Chemical Properties
Bronze-colored, crystalline powder. Soluble
in hot water, alcohol, or ether.
Uses
Dyeing silk, wool, and cotton; biological stain;
dye intermediate for complex acid pigment toners.
Properties and Applications
|
TEST ITEMS
|
SPECIFICATION
|
|
APPEARANCE
|
BLUE POWDER
|
|
SHADE
|
GREENISH
|
|
HEAT RESISTANCE
|
160 °C min
|
|
LIGHT FASTNESS
|
6
|
|
ACID RESISTANCE
|
5
|
|
ALKALI RESISTANCE
|
4
|
|
FASTNESS TO BLEEDING
|
4
|
|
OIL ABSORPTION
|
40-50%
|
|
SPECIFIC SURFACE
|
28 m
2
/g
|
|
DENSITY
|
1.60 g/cm
3
|
|
RESIDUE ON 80 MESH
|
5.0% max
|
|
WATER SOLUBLE
|
1.0% max
|
|
VOLATITE 105 °C
|
1.0% max
|
|
TINTING STRENGTH
|
100-105 %
|
