Definition
ChEBI: Rhodamine 6G(1+) is a cationic fluorescent dye derived from 9-phenylxanthene. It has a role as a fluorochrome. It is a xanthene dye and an organic cation.
General Description
Dark pink powder.
Air & Water Reactions
Slightly soluble in water.
Fire Hazard
Flash point data for Pigment Red 81 are not available. Pigment Red 81 is probably combustible.
Flammability and Explosibility
Not classified
Properties and Applications
TEST ITEMS
|
SPECIFICATION
|
APPEARANCE
|
ROSE POWDER
|
SHADE
|
BLUISH
|
HEAT RESISTANCE
|
180 °C min
|
LIGHT FASTNESS
|
7
|
ACID RESISTANCE
|
5
|
ALKALI RESISTANCE
|
4
|
FASTNESS TO BLEEDING
|
5
|
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 %
|