Pigment Red 81
Product name
Xanthylium, 9-[2-(ethoxycarbonyl)phenyl]-3, 6-bis(ethylamino)-2,7-dimethyl-, molybdatetungstatephosphate
CAS: 12224-98-5
CBNumber: CB1439191
MF: C28H31N2O3.xUnspecified
MW: 2261.98
Color Name: PIGMENT RED 81
Red Color Pigment81 Physical Properties
|
Test Items |
Specification |
Test Results |
|
Shade |
Similar to standard sample (tiny) |
similar |
|
Coloration power |
Corresponding to standard sample 98-103% |
100% |
|
Density（g/cm3） |
||
|
Water Permeate |
4Grade |
4Grade |
|
OilAbsorption（ml/100g） |
45 |
45 |
|
Heat（℃） |
200 |
200 |
|
Ph Value |
7 |
7 |
|
Acid |
5 Grade |
5 Grade |
|
Alkali |
4 Grade |
4 Grade |
|
Light |
5 Grade |
5 Grade |
Pigment Red 81 Applications
The organic red pigment 81 gives a pure blue light red, which conforms to the magenta tone used for four-color plate overprint printing ink and has high coloring intensity. It is mainly used for coloring printing ink and cultural and educational supplies, but has low solvent resistance to polar solvents, such as alcohols, ketones and esters or their mixtures, while it is stable to aromatics, paraffin, etc.
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