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Acid Orange 7

Acid Orange 7 / CAS : 633-96-5

Appearance Golden yellow powder UN 0.0
HS 32041200 DG Class 0.0
Synonyms Acid Orange ii; C.I. Acid Orange 7; Orange II; Acid Orange A; Acid Orange; Orange II Sodium salt; Orange 2 Sodium salt; Orange 4; Orange1; Orangeyz; Orange 7; Orangeiic; Tropaeolin Ooo; Orangeya; 4-[(2-Hydroxy-1-Naphthyl)Azo]Benzenesulfonic Acid,Sodium Salt; Golden Orange Ⅱ; Orange Ii Sod; Orange Ii, Pure; Orange I; Naphthol Orange; 2-Naphthol Orange
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Properties

Summary

Formula
C16H11N2NaO4S
Molecular Mass
350.32400
Exact Mass
350.03400
PSA
110.53000
Logp
4.94570
IUPAC
sodium;4-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate
SMILES
C1=CC=C2C(=C1)C=CC(=C2N=NC3=CC=C(C=C3)S(=O)(=O)[O-])O.[Na+]

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Acid Dyes

Chemical and Physical Properties

Melting Point
164°C
Appearance
Golden yellow powder
Acidity and Basicity
acidness

Export information

HS Code
32041200
Export Rebate
0%
UN No.
0.0
DG-Class
0.0
Risk Code
36/37/38
Safety Label
Xi

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