C.I. Pigment Brown 23

Modify Date: 2025-08-26 10:13:06

C.I. Pigment Brown 23 Structure
C.I. Pigment Brown 23 structure
Common Name C.I. Pigment Brown 23
CAS Number 57972-00-6 Molecular Weight 850.018
Density 1.6±0.1 g/cm3 Boiling Point 945.7±65.0 °C at 760 mmHg
Molecular Formula C40H23Cl3N8O8 Melting Point N/A
MSDS N/A Flash Point 525.7±34.3 °C

 Names

Name N,N'-(2-Chloro-1,4-phenylene)bis{4-[(4-chloro-2-nitrophenyl)diazenyl]-3-hydroxy-2-naphthamide}
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 945.7±65.0 °C at 760 mmHg
Molecular Formula C40H23Cl3N8O8
Molecular Weight 850.018
Flash Point 525.7±34.3 °C
Exact Mass 848.070435
LogP 13.34
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.749

 Synonyms

EINECS 252-772-5
N,N'-(2-Chloro-1,4-phenylene)bis{4-[(4-chloro-2-nitrophenyl)diazenyl]-3-hydroxy-2-naphthamide}
2-Naphthalenecarboxamide, N,N'-(2-chloro-1,4-phenylene)bis[4-[2-(4-chloro-2-nitrophenyl)diazenyl]-3-hydroxy-
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