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Fast Red J

CAS: 2425-85-6 | C17H13N3O3

2D Structure

3D Structure

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Basic Information

CAS Registry Number: 2425-85-6

Molecular Formula: C17H13N3O3

Molecular Weight: 307.3090000000001 g/mol

Names and Synonyms:

Fast Red J Synonym

Fast Red R Synonym

Toluidine Red Synonym

2-Naphthalenol, 1-[2-(4-methyl-2-nitrophenyl)diazenyl]- Synonym

C.I. Pigment Red 3 Synonym

2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]- Synonym

Toluidine red Synonym

1-[2-(4-Methyl-2-nitrophenyl)diazenyl]-2-naphthalenol Synonym

C.I. 12120 Synonym

Accosperse Toluidine Red XL Synonym

ADC Toluidine Red B Synonym

Calcotone Toluidine Red YP Synonym

Carnelio Helio Red Synonym

Chromatex Red J Synonym

Dainichi Permanent Red 4R Synonym

Deep Fastona Red Synonym

Duplex Toluidine Red L 20-3140 Synonym

Eljon Fast Scarlet PV Extra Synonym

Eljon Fast Scarlet RN Synonym

Enialit Light Red RL Synonym

Fastona Red B Synonym

Fastona Scarlet RL Synonym

Fastona Scarlet YS Synonym

Fast Red A Synonym

Fast Red AB Synonym

Fast Red JE Synonym

Hansa Red B Synonym

Hansa Scarlet RB Synonym

Hansa Red G Synonym

Hansa Scarlet RN Synonym

Hansa Scarlet RNC Synonym

Helio Fast Red BN Synonym

Helio Fast Red RL Synonym

Helio Fast Red RN Synonym

Helio Red RL Synonym

Helio Red Toner Synonym

Hispalit Fast Scarlet RN Synonym

Independence Red Synonym

Irgalite Fast Red P 4R Synonym

Irgalite Fast Scarlet RND Synonym

Irgalite Red PV 2 Synonym

Irgalite Red RNPX Synonym

Irgalite Scarlet RB Synonym

Isol Fast Red HB Synonym

Isol Fast Red RN 2B Synonym

Isol Fast Red RN 2G Synonym

Isol Fast Red RNB Synonym

Isol Fast Red RNG Synonym

Isol Toluidine Red HB Synonym

Isol Toluidine Red RN 2B Synonym

Isol Toluidine Red RN 2G Synonym

Isol Toluidine Red RNB Synonym

Isol Toluidine Red RNG Synonym

Kromon Helio Fast Red Synonym

Kromon Helio Fast Red YS Synonym

Lake Red 4R Synonym

Lake Red 4RII Synonym

Lithol Fast Scarlet RN Synonym

Lutetia Fast Red 3R Synonym

Lutetia Fast Scarlet RF Synonym

Lutetia Fast Scarlet RJN Synonym

Monolite Fast Scarlet CA Synonym

Monolite Fast Scarlet GSA Synonym

Monolite Fast Scarlet RBA Synonym

Monolite Fast Scarlet RN Synonym

Monolite Fast Scarlet RNA Synonym

Monolite Fast Scarlet RNV Synonym

Monolite Fast Scarlet RT Synonym

1-(o-Nitro-p-tolylazo)-2-naphthol Synonym

No. 2 Forthfast Scarlet Synonym

Oralith Red P 4R Synonym

Permanent Red 4R Synonym

Pigment Red RL Synonym

Pigment Scarlet B Synonym

Polymo Red FGN Synonym

Recolite Fast Red RBL Synonym

Recolite Fast Red RL Synonym

Recolite Fast Red RYL Synonym

Sanyo Scarlet Pure Synonym

Sanyo Scarlet Pure No. 1000 Synonym

Scarlet Pigment RN Synonym

Segnale Light Red B Synonym

Segnale Light Red C 4R Synonym

Segnale Light Red 2B Synonym

Segnale Light Red BR Synonym

Segnale Light Red RL Synonym

Siegle Red B Synonym

Siegle Red 1 Synonym

Siegle Red BB Synonym

Silogomma Red RLL Synonym

Silosol Red RBN Synonym

Silosol Red RN Synonym

Siloton Red BRLL Synonym

Siloton Red RLL Synonym

Symuler Fast Scarlet 4R Synonym

Syton Fast Scarlet RB Synonym

Syton Fast Scarlet RD Synonym

Syton Fast Scarlet RN Synonym

Tertropigment Red HAB Synonym

Tertropigment Scarlet LRN Synonym

Toluidine Red D 28-3930 Synonym

Toluidine Red M 20-3785 Synonym

Toluidine Red R Synonym

Toluidine Red 3B Synonym

Toluidine Red 4R Synonym

Toluidine Red 10451 Synonym

Toluidine Red BFB Synonym

Toluidine Red BFGG Synonym

Toluidine Red Light Synonym

Toluidine Red RT 115 Synonym

Toluidine Red Toner Synonym

Toluidine Red XL 20-3050 Synonym

Toluidine Toner Synonym

Toluidine Toner L 20-3300 Synonym

Toluidine Toner Dark 5040 Synonym

C.P. Toluidine Toner A 2989 Synonym

C.P. Toluidine Toner A 2990 Synonym

C.P. Toluidine Toner Dark RS 3340 Synonym

C.P. Toluidine Toner Deep X 1865 Synonym

Toluidine Toner HR-X 2700 Synonym

Toluidine Toner HR-X 2741 Synonym

Toluidine Toner Keep HR-X 2742 Synonym

C.P. Toluidine Toner Light RS 3140 Synonym

Toluidine Toner RT 252 Synonym

Versal Scarlet PRNL Synonym

Versal Scarlet RNL Synonym

Vulcafor Scarlet A Synonym

C.P. Toluidine Toner RT 6101 Synonym

C.P. Toluidine Toner RT 6104 Synonym

D and C Red No. 35 Synonym

Pigment Scarlet R Synonym

Monolite Fast Scarlet RB Synonym

1-[(2-Nitro-4-methylphenyl)azo]-2-naphthol Synonym

Pigment Red 3 Synonym

1-(4-Methyl-2-nitrophenylazo)-2-naphthol Synonym

Pigment Scarlet Synonym

Pigment Scarlet (Russian) Synonym

Graphtol Red A 4RL Synonym

Fast Red A (pigment) Synonym

Japan Red 221 Synonym

Japan Red No. 221 Synonym

Atlasol Spirit Red 3 Synonym

Seikafast Red 4R4016 Synonym

Symuler Fast Red 4R100 Synonym

Pigment Scarlet N Synonym

Sico Red L 3750 Synonym

2-Nitro-p-toluidine-2-naphthol Synonym

NSC 45193 Synonym

Pigment Scarlet Conc. Synonym

Toluidine Red B Synonym

Toluidine Red RB 0336C Synonym

Red No. 221 Synonym

Toluidene Red Synonym

1-((4-Methyl-2-nitrophenyl)diazenyl)naphthalen-2-ol Synonym

Identifiers:

SMILES:

Cc1ccc(N=Nc2c(O)ccc3ccccc23)c([N+](=O)[O-])c1

InChI:

InChI=1S/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,21H,1H3

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

PubChem CAS NIST

All Properties

Comprehensive physical and chemical properties

Molecular

Property	Value	Source
Molecular Weight	307.3090000000001 g/mol	RDKit

Exact

Property	Value	Source
Exact Molecular Weight	307.09569127599997 g/mol	RDKit

Heavy

Property	Value	Source
Heavy Atom Count	23 count	RDKit

Hydrogen

Property	Value	Source
Hydrogen Bond Acceptors	5 count	RDKit
Hydrogen Bond Donors	1 count	RDKit

Rotatable

Property	Value	Source
Rotatable Bonds	3 count	RDKit

Aromatic

Property	Value	Source
Aromatic Ring Count	3 count	RDKit

Topological

Property	Value	Source
Topological Polar Surface Area	88.09 Å²	RDKit

Physical Properties

Property	Value	Source
LogP	5.177420000000005	RDKit
molecular_mass	307.31 g/mol	Legacy Database
cas-canonical-smile	O=N(=O)C1=CC(=CC=C1N=NC2=C(O)C=CC=3C=CC=CC32)C None	Legacy Database
cas-inchi	InChI=1S/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,21H,1H3 None	Legacy Database
cas-inchi-key	InChIKey=ZLFVRXUOSPRRKQ-UHFFFAOYSA-N None	Legacy Database
cas-name	Toluidine red None	Legacy Database

Molar

Property	Value	Source
Molar Refractivity	87.62220000000003	RDKit