Pigment Red 81 CAS #12224-98-5

Pigment Red 81, it is a red powder with the following properties:
Color: blue red Relative density: 1.6-1.8 Bulk density: 14.91-15.8 (lb/gal)
Average particle size: 0.05μm Specific surface area: 64m²/g pH value: 6.5-7.5 (10% slurry)
Oil absorption: 55g/100g Hiding power: transparent type
Pigment Red 81 gives a pure blue red color, which conforms to the magenta tone used in four-color overprinting printing inks and has high tinting strength. It is mainly used for coloring printing inks (including solvent inks, offset inks, water-based inks), industrial coatings, stationery, etc. However, it has low solvent resistance to polar solvents (such as alcohols, ketones and esters or their mixtures), but is relatively stable to aromatic hydrocarbons, paraffin, etc.
Its light resistance is 4, heat resistance is 120℃, water resistance is 4, oil resistance is 5, acid resistance is 3 and alkali resistance is 2.

Pigment Red 81 CAS #12224-98-5

Product Name: Pigment Red 81
Synonyms: Xanthylium, 9-2-(ethoxycarbonyl)phenyl-3,6-bis(ethylamino)-2,7-dimethyl-, molybdatetungstatephosphate;C.I. pigment red 81.;FANALPINKGSUPRA;FANALPINKBSUPRA;Pigment red 81 (C.I. 45160:1);Toner Pink G;Fanatone Rose G;Permanent Cerise Toner
CAS: 12224-98-5
MF: C28H31N2O3.xUnspecified
MW: 2261.98
EINECS: 235-424-7
Product Categories: Dyes and Pigments
Mol File: 12224-98-5.mol
Pigment Red 81 Structure
Pigment Red 81 Chemical Properties
Boiling point 594.02℃[at 101 325 Pa]
density 1.18[at 20℃]
vapor pressure 0Pa at 25℃
Water Solubility 1g/L at 18.5℃
LogP 7.436 at 25℃
CAS DataBase Reference 12224-98-5(CAS DataBase Reference)
EPA Substance Registry System C.I. Pigment Red 81 (12224-98-5)
Safety Information
MSDS Information
Provider Language
9-[2-(Ethoxycarbonyl)phenyl]-3,6-bis(ethylamino)-2,7-dimethylxanthylium molybdatetungstatephosphate English
Pigment Red 81 Usage And Synthesis
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 /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 %

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