CAS No: 3176-79-2, Chemical Name: sudan red B
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3176-79-2 sudan red B

product Name sudan red B
Synonyms Solvent Red 25; 1-({3-methyl-4-[(E)-(3-methylphenyl)diazenyl]phenyl}hydrazono)naphthalen-2(1H)-one; (1E)-1-({3-methyl-4-[(E)-(3-methylphenyl)diazenyl]phenyl}hydrazono)naphthalen-2(1H)-one
Molecular Formula C24H20N4O
Molecular Weight 380.4418
InChI InChI=1/C24H20N4O/c1-16-6-5-8-19(14-16)25-27-22-12-11-20(15-17(22)2)26-28-24-21-9-4-3-7-18(21)10-13-23(24)29/h3-15,26H,1-2H3/b27-25+,28-24+
CAS Registry Number 3176-79-2
EINECS 221-647-7
Molecular Structure 3176-79-2 sudan red B
Density 1.19g/cm3
Melting point 173-175℃
Boiling point 582.3°C at 760 mmHg
Refractive index 1.644
Flash point 306°C
Vapour Pressur 1.5E-13mmHg at 25°C
Hazard Symbols
Risk Codes
Safety Description