Pigment Red 254
Pigment Red 254 Basic information
- Product Name:
- Pigment Red 254
- Synonyms:
-
- Paintco red 254
- 2,5-Dihydro-3,6-bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4-dione
- 3,6-Bis(4-chlorophenyl)-1,2,4,5-tetrahydro-2,5-diazapentalene-1,4-dione
- 3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1(2H),4(5H)-dione
- 3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione
- PIGMENT RED 2254
- CROMOPHTAL DPP RED BPN
- C.I. 56110
- CAS:
- 84632-65-5
- MF:
- C18H10Cl2N2O2
- MW:
- 357.19
- EINECS:
- 401-540-3
- Mol File:
- 84632-65-5.mol
Pigment Red 254 Chemical Properties
- Boiling point:
- 672.5±55.0 °C(Predicted)
- Density
- 1.57
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- 10 in mg/100g standard fat at 20 ℃
- form
- powder to crystaline
- Colour Index
- 56110
- pka
- 8.46±0.60(Predicted)
- color
- Red to Dark red to Brown
- Water Solubility
- 400-30000ng/L at 20-23℃
- InChI
- InChI=1S/C18H10Cl2N2O2/c19-11-5-1-9(2-6-11)15-13-14(18(24)21-15)16(22-17(13)23)10-3-7-12(20)8-4-10/h1-8H,(H,21,24)(H,22,23)
- InChIKey
- JNNHVXMCVRYTTN-UHFFFAOYSA-N
- SMILES
- N1C(C2=CC=C(Cl)C=C2)=C2C(=O)NC(C3=CC=C(Cl)C=C3)=C2C1=O
- LogP
- 2.4-3 at 20℃
- CAS DataBase Reference
- 84632-65-5(CAS DataBase Reference)
- EPA Substance Registry System
- Pyrrolo[3,4-c]pyrrole-1,4-dione, 3,6-bis(4-chlorophenyl)-2,5-dihydro- (84632-65-5)
Pigment Red 254 Usage And Synthesis
Chemical Properties
Pigment Red 254 (PR 254) is a high-performance organic pigment, a dye and a pigment, is divided into two kinds of yellow light and blue light color pigment, bright color, strong coloring power, excellent dispersion, and at the same time has excellent solvent resistance, light fastness up to grade 8, temperature resistance of 300 degrees. Its chemical structure is stable, not easy to decompose, can keep the bright red color for a long time, the main component is amino acid silver salt, has good light resistance and weather resistance.
Uses
3,6-Bis(4-chlorophenyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione is Pigment Red 254; used in preparation method of high-performance polyurethane waterborne waterproof coating.
Properties and Applications
|
TEST ITEMS |
SPECIFICATION |
|
APPEARANCE |
RED POWDER |
|
SHADE |
CLOSE TO CIBA BO,OPAQUE |
|
HEAT RESISTANCE |
300 °C min |
|
LIGHT FASTNESS |
8 |
|
ACID RESISTANCE |
5 |
|
ALKALI RESISTANCE |
5 |
|
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 % |
Toxics Screening Level
The initial threshold screening level (ITSL) for pyrrolo pyrrole is 0.1 μg/m3 based on an annual averaging time.
Pigment Red 254Supplier
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- 13853419719
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- 0571-56076803 18667038366
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- 18210857532; 18210857532
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