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Pigment Red 4

Pigment Red 4 / CAS : 2814-77-9

Appearance Orange red powder UN 0
HS 32041700 DG Class 0
Synonyms 1-(2-Chlor-4-Nitro-Phenlazo)-Naphthol-(2); Blazingred; Flametones; 1-(2-Chloro-4-Nitro-1-Phenylazo)-2-Hydroxynaphthalene; 1-(2-Chloro-4-Nitro-Phenylazo)-[2]Naphthol; Cred36; Aka228; Red 36; 2-Napthol; Permanent Red 2B; (2-Chlor-4-Nitro-Benzol)-(1 Azo 1)-Naphthol-(2); Red 48; Redno.228; 1-(2-Chlor-4-Nitro-Phenylazo)-[2]Naphthol; 1-[(2-Chloro-4-Nitrophenyl)Azo]-2-Naphthalenol; C.I. 12085; 1-(2-Chloro-4-Nitrophenylazo)-2-Naphthol; Pigment Red 4 (C.I.); 1-((2-Chloro-4-Nitrophenyl)Azo)-2-Naphtaleno; 1-((2-Chloro-4-Nitrophenyl)Azo)-2-Naphtho; 1-[(2-Chloro-4-Nitrophenyl)Azo]-2-Naphthaleno
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Properties

Summary

Formula
C16H10ClN3O3
Molecular Mass
327.72200
Exact Mass
327.04100
PSA
90.77000
Logp
6.04560
IUPAC
1-[(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol
SMILES
C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C=C3)[N+](=O)[O-])Cl)O

Attribute classification

Matter Classification
organic
Category
Dyestuffs and Pigments > Pigment

Chemical and Physical Properties

Melting Point
276ºC
Density
1.45 g/cm3
Boiling Point
558.9±50.0 °C
Flash Point
254.2ºC
Appearance
Orange red powder

Export information

HS Code
32041700
Export Rebate
13%
UN No.
0
DG-Class
0
Risk Code
36
Safety Label
Xi

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