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Direct Orange 31

Direct Orange 31 / CAS : 6420-03-7

Appearance Orange powder UN 0
HS 32041200 DG Class 0
Synonyms C.I. Direct Orange 31; Diaphtamine Fast Orange PRS; 2-Hydroxy-5-[[2-Methyl-4-[3-Methyl-4-[[3-Methyl-5-Oxo-1-(4-Sulfophenyl)-4H-Pyrazol-4-Yl]Diazenyl]Phenyl]Phenyl]Diazenyl]Benzoic Acid
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Properties

Summary

Formula
C31H26N6NaO7S+
Molecular Mass
649.62900
Exact Mass
649.14800
PSA
202.39000
Logp
7.49270
IUPAC
2-hydroxy-5-[[2-methyl-4-[3-methyl-4-[[3-methyl-5-oxo-1-(4-sulfophenyl)-4H-pyrazol-4-yl]diazenyl]phenyl]phenyl]diazenyl]benzoic acid
SMILES
CC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=CC(=C(C=C3)[O-])C(=O)[O-])C)N=NC4C(=NN(C4=O)C5=CC=C(C=C5)S(=O)(=O)O)C.[Na+].[Na+]

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Direct Dyes

Chemical and Physical Properties

Density
1.46g/cm3
Appearance
Orange powder

Export information

HS Code
32041200
Export Rebate
0%
UN No.
0
DG-Class
0

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