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Orange I

Orange I / CAS : 523-44-4

Appearance Orange powder UN 0.0
HS 32072000 DG Class 0.0
Synonyms Sodium 4-((4-Hydroxynaphthalen-1-Yl)Diazenyl)Benzenesulfonate; α-Naphthol Orange; Oranges; Orangeim; Acid Orange 20; Orange1; C.I.150; Daidai402; Oranzi; Tropaeolin 000 No.1; 1333Orange; 4-((4-Hydroxy-1-Naphthalenyl)Azo)Benzenesulphonicacid,Monosodiumsalt; 4-P-Sulfophenylazo-1-Naphtholmonosodiumsalt; 4-P-Sulphophenylazo-1-Naphthol,Monosodiumsalt; A.F.Orangeno.1
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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-[(4-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate
SMILES
C1=CC=C2C(=C1)C(=CC=C2O)N=NC3=CC=C(C=C3)S(=O)(=O)[O-].[Na+]

Attribute classification

Matter Classification
organic
Category
Plant and Other Extracts > Plant Extracts
Dyestuffs and Pigments > Acid Dyes

Chemical and Physical Properties

Melting Point
260 °C (decomp)
Appearance
Orange powder

Export information

HS Code
32072000
Export Rebate
0%
UN No.
0.0
DG-Class
0.0

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