Pigment Red HF4C CAS# 51920-12-8
| Product Name: |
Pigment Red HF4C |
| Synonyms: |
pigment red 185;pigment red hf4c;N-(2,3-DIHYDRO-2-OXO-1H-BENZIMIDAZOL-5-YL)-3-HYDROXY-4-2-METHOXY-5-METHYL-4-(METHYLAMINO)SULPHONYLPHENYLAZONAPHTHALENE-2-CARBOXAMIDE;N-[(2,3-Dihydro-2-oxo-1H-benzimidazol)-5-yl]-3-hydroxy-4-[[2-methoxy-5-methyl-4-[(methylamino)sulfonyl]phenyl]azo]-2-naphthalenecarboxamide;Permanent Carmine HF-4C;2-Naphthalenecarboxamide, N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-(2-(2-methoxy-5-methyl-4-((methylamino)sulfonyl)phenyl)diazenyl)-;Einecs 257-515-0;3-Dihydro-2-oxo-1H-benziMidazol-5-yl)-3-hydroxy-4-[[2-Methoxy-5-Methyl-4-[(MethylaMino)sulphonyl]phenyl]azo]naphthalene-2-carboxaMide |
| CAS: |
51920-12-8 |
| MF: |
C27H24N6O6S |
| MW: |
560.58 |
| EINECS: |
257-515-0 |
| Product Categories: |
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| Mol File: |
51920-12-8.mol |
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| Pigment Red HF4C Chemical Properties |
| Melting point |
335-345 ºC |
| density |
1.3-1.4 |
| pka |
10.63±0.50(Predicted) |
| Water Solubility |
3.4μg/L at 26℃ |
| LogP |
0.8 at 25℃ |
| EPA Substance Registry System |
2-Naphthalenecarboxamide, N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-methyl-4-[(methylamino)sulfonyl]phenyl]azo]- (51920-12-8) |
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| Pigment Red HF4C Usage And Synthesis |
| Uses |
Pigment Red 185 is an organic pigment used in artist’s paints throughout the 20th and 21st centuries. |
| Flammability and Explosibility |
Not classified |
| Properties and Applications |
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TEST ITEMS
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SPECIFICATION
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APPEARANCE
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RED POWDER
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HEAT RESISTANCE
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300 °C min
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LIGHT FASTNESS
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7-8
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ACID RESISTANCE
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5
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ALKALI RESISTANCE
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5
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FASTNESS TO BLEEDING
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5
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OIL ABSORPTION
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40-50%
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SPECIFIC SURFACE
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26m 2 /g |
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DENSITY
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1.40 g/cm 3 |
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RESIDUE ON 80 MESH
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5.0% max
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WATER SOLUBLE
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1.0% max
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VOLATITE 105 °C
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1.0% max
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TINTING STRENGTH
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100-105 %
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