Pigment red 257

Modify Date: 2024-01-13 10:26:34

Pigment red 257 Structure
Pigment red 257 structure
Common Name Pigment red 257
CAS Number 117989-29-4 Molecular Weight 298.941
Density 2.1±0.1 g/cm3 Boiling Point 581.2±50.0 °C at 760 mmHg
Molecular Formula C8H3Cl4N3O Melting Point N/A
MSDS N/A Flash Point 305.3±30.1 °C

 Names

Name 4,5,6,7-Tetrachloro-3-nitroso-2H-isoindol-1-amine
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.1±0.1 g/cm3
Boiling Point 581.2±50.0 °C at 760 mmHg
Molecular Formula C8H3Cl4N3O
Molecular Weight 298.941
Flash Point 305.3±30.1 °C
Exact Mass 296.903015
LogP 2.91
Vapour Pressure 0.0±1.6 mmHg at 25°C
Index of Refraction 1.792

 Synonyms

2H-Isoindol-1-amine, 4,5,6,7-tetrachloro-3-nitroso-
4,5,6,7-Tetrachloro-3-nitroso-2H-isoindol-1-amine
EINECS 274-916-6
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