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Pigment Red 31

CAS: 6448-96-0 | C31H23N5O6

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 6448-96-0
Molecular Formula: C31H23N5O6
Molecular Mass: 561.55 g/mol

Names and Synonyms:

Pigment Red 31
2-Naphthalenecarboxamide, 3-hydroxy-4-[2-[2-methoxy-5-[(phenylamino)carbonyl]phenyl]diazenyl]-N-(3-nitrophenyl)-
C.I. Pigment Red 31
2-Naphthalenecarboxamide, 3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]-N-(3-nitrophenyl)-
3-Hydroxy-4-[2-[2-methoxy-5-[(phenylamino)carbonyl]phenyl]diazenyl]-N-(3-nitrophenyl)-2-naphthalenecarboxamide
C.I. 12360
Naftol Red RN 1560
Naphthol Violet D 3409
Polymo Rose FBL
Vulcan Fast Bordeaux B
Pigment Violet RB
C.I. Pigment Red 212
Pigment Red 31
Naphthol Red 31
KET Red 308
Symuler Fast Red 4085
PR 31
Naphthol Red FB
Lightfast Peach Red

Identifiers:

SMILES:
COc1ccc(C(O)=Nc2ccccc2)cc1N=Nc1c(O)c(C(O)=Nc2cccc([N+](=O)[O-])c2)cc2ccccc12
InChI:
InChI=1S/C31H23N5O6/c1-42-27-15-14-20(30(38)32-21-9-3-2-4-10-21)17-26(27)34-35-28-24-13-6-5-8-19(24)16-25(29(28)37)31(39)33-22-11-7-12-23(18-22)36(40)41/h2-18,37H,1H3,(H,32,38)(H,33,39)

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 561.55 g/mol CAS Common Chemistry
561.5540000000003 g/mol RDKit
561.1648334559999 g/mol RDKit
Canonical SMILES O=C(NC=1C=CC=CC1)C2=CC=C(OC)C(N=NC3=C(O)C(=CC=4C=CC=CC43)C(=O)NC5=CC=CC(=C5)N(=O)=O)=C2 CAS Common Chemistry
InChI InChI=1S/C31H23N5O6/c1-42-27-15-14-20(30(38)32-21-9-3-2-4-10-21)17-26(27)34-35-28-24-13-6-5-8-19(24)16-25(29(28)37)31(39)33-22-11-7-12-23(18-22)36(40)41/h2-18,37H,1H3,(H,32,38)(H,33,39) CAS Common Chemistry
InChI Key InChIKey=GLZGTQYOWXFUNZ-UHFFFAOYSA-N CAS Common Chemistry
Name Pigment Red 31 CAS Common Chemistry
Heavy Atom Count 42 RDKit
Hydrogen Bond Acceptors 8 RDKit
Hydrogen Bond Donors 3 RDKit
Rotatable Bonds 8 RDKit
Aromatic Ring Count 5 RDKit
Topological Polar Surface Area 162.5 Ų RDKit
LogP 8.150200000000005 RDKit
Molar Refractivity 159.97279999999978 RDKit

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