CI Direct Brown 2

Modify Date: 2024-01-04 07:21:55

CI Direct Brown 2 Structure
CI Direct Brown 2 structure
Common Name CI Direct Brown 2
CAS Number 2429-82-5 Molecular Weight 627.535
Density 1.54g/cm3 Boiling Point N/A
Molecular Formula C29H19N5Na2O7S Melting Point N/A
MSDS N/A Flash Point N/A

 Use of CI Direct Brown 2


CI Direct Brown 2 is a direct dye that is soluble in water and ionizable to form colored anions can directly dye the cellulose fibers or protein fibers without the action of the mordant.

 Names

Name direct fast brown m
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.54g/cm3
Molecular Formula C29H19N5Na2O7S
Molecular Weight 627.535
Exact Mass 627.080078
PSA 221.63000
LogP 7.26060
Index of Refraction 1.733

 Safety Information

RTECS DM2800435

 Synonyms

mahoganyembl
brownm
benzobrownmc
Disodium 5-[(E)-{4'-[(E)-(7-amino-1-hydroxy-3-sulfonato-2-naphthyl)diazenyl]biphenyl-4-yl}diazenyl]-2-hydroxybenzoate
Benzoic acid, 5-[(E)-2-[4'-[(E)-2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-2-hydroxy-, sodium salt (1:2)
diazolbrownm
EINECS 219-391-6
benzoic acid, 5-[(E)-[4'-[(E)-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
Direct Brown M
disodium 5-[(E)-{4'-[(E)-(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazenyl]biphenyl-4-yl}diazenyl]-2-hydroxybenzoate
benzobrownm
unionbrowndr
azinebrownm
Disodium 5-[(E)-{4'-[(E)-(7-amino-1-hydroxy-3-sulfonato-2-naphthyl)diazenyl]-4-biphenylyl}diazenyl]-2-hydroxybenzoate
diazobrownmc