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Acidic Red B

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Acidic Red B / CAS : 3567-69-9

Appearance Red powder or particles. Dissolved in water. Slightly soluble in ethanol. UN 0.0
HS 32041200 DG Class 0.0
Synonyms Brilliant Crimson Red; C.I. 14720; Carmoisine B; E122; Foodred5; Acidred2C; 4-Hydroxy-3,4'-Azo-Bis-Naphthalene-1-Sulfonic Acid,Disodium-Salt; Red; 14; Chromotrope Fb; Karmesin; Carmoisin; Azorubin; Ciacidred; Azo Rubine (50% Dye Content); 1-Naphthalenesulfonicacid, 4-Hydroxy-3-[2-(4-Sulfo-1-Naphthalenyl)Diazenyl]-, Sodium Salt (1
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Properties

Summary

Formula
C20H12N2Na2O7S2
Molecular Mass
502.42800
Exact Mass
501.98800
PSA
176.11000
Logp
6.08380
IUPAC
disodium;4-hydroxy-3-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
SMILES
C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])N=NC3=C(C4=CC=CC=C4C(=C3)S(=O)(=O)[O-])O.[Na+].[Na+]

Attribute classification

Matter Classification
organic
Category
Cosmetics > Cosmetic Raw Materials
Food(Feed) Additives > Colorant
Dyestuffs and Pigments > Acid Dyes

Chemical and Physical Properties

Melting Point
>300ºC
Flash Point
>225℃
Appearance
Red powder or particles. Dissolved in water. Slightly soluble in ethanol.

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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