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Pigment Red 4

CAS: 2814-77-9 | C16H10ClN3O3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 2814-77-9
Molecular Formula: C16H10ClN3O3
Molecular Mass: 327.73 g/mol

Names and Synonyms:

Pigment Red 4
2-Naphthalenol, 1-[2-(2-chloro-4-nitrophenyl)diazenyl]-
C.I. Pigment Red 4
2-Naphthalenol, 1-[(2-chloro-4-nitrophenyl)azo]-
2-Naphthol, 1-(2-chloro-4-nitrophenylazo)-
1-[2-(2-Chloro-4-nitrophenyl)diazenyl]-2-naphthalenol
C.I. 12085
12094 Red
ADC Permanent Red Toner R
American Vermilion
Blazing Red
Calcotone Red PR
Carnelio Red R
1-(o-Chloro-p-nitrophenylazo)-2-naphthol
Chlorparanitraniline Red
Dainichi Permanent Red RX
Duplex Permaton Red L 20-7022
Fastona Red R
Fast Orange 3R
Fast Orange 3RJ
Flame Tones
Flaming Red
Glo-blaze Red R 152
Graphtol Red RL
Irgalite Red PRR
Isol Fast Red R
Isol Fast Red RG
Kromon Red R
Latexol Red J
Lincoln Red 1002
Lutetia Fast Orange 3R
Monolite Fast Red G
Monolite Fast Red GA
Monolite Fast Red GF
No. 1 Forthfast Red R
Oralith Red
Permanent Red F
Permanent Red R
Permanent Red BFR
Permanent Red R Extra
Permanent Red RG Extra
Permanent Red Toner R
Permansa Red
Permaton Red XL 20-7015
Pyrotone Red Toner RA 5520
Red Extract R
Rubber Red R Extra
Segnale Light Red PRG
Silopol Red G
Silosol Red GN
Siloton Red 2G
Syton Fast Red R
Tanager Red X 761
Versal Fast Red R
Vulcafix Red J
Vulcafor Orange R
Vulcan Red R
Pigment Scarlet Zh
Pigment Red 4
Tiger Orange
1-(2-Chloro-4-nitrophenylazo)-2-naphthol
C-Red 1
Red No. 228
Fire Red Toner
D&C Red No. 36
D and C Red No. 36
Japan Red 228
Fast Red R
Hansa Red R
Permaton Red
Versal Red R
D&C Red 36
Puricolor Red PRE 4
Yingzhu R 3106

Identifiers:

SMILES:
O=[N+]([O-])c1ccc(N=Nc2c(O)ccc3ccccc23)c(Cl)c1
InChI:
InChI=1S/C16H10ClN3O3/c17-13-9-11(20(22)23)6-7-14(13)18-19-16-12-4-2-1-3-10(12)5-8-15(16)21/h1-9,21H

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 327.73 g/mol CAS Common Chemistry
327.7270000000001 g/mol RDKit
327.04106886 g/mol RDKit
Canonical SMILES O=N(=O)C1=CC=C(N=NC2=C(O)C=CC=3C=CC=CC32)C(Cl)=C1 CAS Common Chemistry
InChI InChI=1S/C16H10ClN3O3/c17-13-9-11(20(22)23)6-7-14(13)18-19-16-12-4-2-1-3-10(12)5-8-15(16)21/h1-9,21H CAS Common Chemistry
InChI Key InChIKey=XLTMWFMRJZDFFD-UHFFFAOYSA-N CAS Common Chemistry
Name Pigment Red 4 CAS Common Chemistry
Heavy Atom Count 23 RDKit
Hydrogen Bond Acceptors 5 RDKit
Hydrogen Bond Donors 1 RDKit
Rotatable Bonds 3 RDKit
Aromatic Ring Count 3 RDKit
Topological Polar Surface Area 88.09 Ų RDKit
LogP 5.522400000000004 RDKit
Molar Refractivity 87.89520000000003 RDKit

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