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Solvent Red 8

Solvent Red 8 / CAS : 33270-70-1

Appearance Red powder. Soluble in ethanol, slightly soluble in ethyl acetate. It has excellent solubility in various organic solvents and good compatibility with various resins. It is stable to acid, alkali, light and heat. UN 0.0
HS 32041700 DG Class 0.0
Synonyms Einecs 251-436-5; Chromium,4-[[4-(Dioxidoamino)-6-Oxocyclohexa-2,4-Dien-1-Ylidene]Hydrazinylidene]-5-Methyl-2-Phenylpyrazol-3-One,Hydron,5-Methyl-4-[(4-Nitro-2-Oxidophenyl)Diazenyl]-2-Phenylpyrazol-3-Olate; Solvent Red bl; Chromate(1-), Bis2,4-Dihydro-4-2-(Hydroxy-.Kappa.O)-4-Nitrophenylazo-.Kappa.N1-5-Methyl-2-Phenyl-3H-Pyrazol-3-Onato(2-)-.Kappa.O3-, Hydrogen; Chromate(1-), Bis[2,4-Dihydro-4-[(2-Hydroxy-4-Nitrophenyl)Azo]-5-Methyl-2-Pheny; Chromate(1-), Bis[2,4-Dihydro-4-[(2-Hydroxy-4-Nitrophenyl)Azo]-5-Methyl-2-Phenyl-3H-Pyrazol-3-Onato(2-)]-, Hydrogen; Hydrogen Bis[2,4-Dihydro-4-[(2-Hydroxy-4-Nitrophenyl)Azo]-5-Methyl-2-Phenyl-3H-Pyrazol-3-Onato]Chromate; Red 4R; C.I.12715; Solvent Red R-04; C.I.Solvent Red 8
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Properties

Summary

Formula
C32H23CrN10O8
Molecular Mass
727.58300
Exact Mass
727.11100
PSA
224.64000
Logp
8.16110
IUPAC
chromium;4-[(2-hydroxy-4-nitrophenyl)diazenyl]-5-methyl-2-phenylpyrazol-3-ol
SMILES
CC1=NN(C(=C1N=NC2=C(C=C(C=C2)[N+](=O)[O-])[O-])[O-])C3=CC=CC=C3.CC1=NN(C(=C1N=NC2=C(C=C(C=C2)[N+](=O)[O-])[O-])[O-])C3=CC=CC=C3.[Cr]

Attribute classification

Matter Classification
organic
Category
Auxiliary > Other Auxiliary Agent
Dyestuffs and Pigments > Solvent Dyes

Chemical and Physical Properties

Boiling Point
529.4ºC at 760 mmHg
Flash Point
274ºC
Appearance
Red powder. Soluble in ethanol, slightly soluble in ethyl acetate. It has excellent solubility in various organic solvents and good compatibility with various resins. It is stable to acid, alkali, light and heat.

Export information

HS Code
32041700
Export Rebate
13%
UN No.
0.0
DG-Class
0.0

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