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Para Red

CAS: 6410-10-2 | C16H11N3O3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 6410-10-2
Molecular Formula: C16H11N3O3
Molecular Mass: 293.28 g/mol

Identifiers

CAS Registry Number

6410-10-2

SMILES

O=[N+]([O-])c1ccc(N=Nc2c(O)ccc3ccccc23)cc1

InChI Key

WOTPFVNWMLFMFW-UHFFFAOYSA-N

InChI

InChI=1S/C16H11N3O3/c20-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)19(21)22/h1-10,20H

Names and Synonyms

Para Red Common Name
Printofix Red HN Synonym
2-Naphthalenol, 1-[2-(4-nitrophenyl)diazenyl]- Synonym
C.I. Pigment Red 1 Synonym
2-Naphthalenol, 1-[(4-nitrophenyl)azo]- Synonym
2-Naphthol, 1-(p-nitrophenylazo)- Synonym
1-[2-(4-Nitrophenyl)diazenyl]-2-naphthalenol Synonym
C.I. 12070 Synonym
C.P. Britelite Toner RP 9 Synonym
Carnelio Para Red BS Synonym
Carnelio Para Red YS Synonym
Conc. Para Red Synonym
Conc. Para Red YS Synonym
Dainichi Para Red Toner Synonym
Duplex Para Red XD 20-2900 Synonym
Eljon Para Red Synonym
Federal Red Synonym
Isol Para Red B Synonym
Kromon Para Red BS Synonym
Kromon Para Red YS Synonym
Label Red Synonym
Lacal Red GN Synonym
Lake Red 2R Synonym
Lake Red PN Synonym
Lutetia Red B Synonym
Lutetia Red N Synonym
Monolite Fast Red B Synonym
Monolite Fast Red BA Synonym
No. 7 Conc. Deep Red Synonym
Para Nitraniline Red Synonym
Para Red Synonym
Para Red B 20-2080 Synonym
Para Red BS Synonym
Para Red Dark Synonym
Para Red Dark RA 1280 Synonym
Para Red Light Synonym
Para Red Light 10333 Synonym
Para Red Light RA 1210 Synonym
Para Red Toner Synonym
Para Red Toner RPT 52 Synonym
Para Red YS Synonym
Para Toner Synonym
Para Toner B Synonym
Para Toner Dark 5065 Synonym
Para Toner Deep A 1757 Synonym
Para Toner D Synonym
Para Toner Y 20-1150 Synonym
C.P. Para Toner Light RP 2 Synonym
Para Toner Light A 4329 Synonym
Para Toner Light RT 370 Synonym
Para Toner Red Synonym
Pigment Red B Synonym
Pigment Red G Synonym
Pigment Red R Synonym
Recolite Para Red B Synonym
Recolite Para Red G Synonym
Sanyo Signal Red Pure Synonym
Siloton Red B Synonym
Siloton Red G Synonym
Symuler Fast Para Red Synonym
Tertropigment Red PAB Synonym
Tolyl Red D Synonym
Tolyl Red M Synonym
Tolyl Red LL Synonym
p-Nitraniline red Synonym
1-[(p-Nitrophenyl)azo]-2-naphthol Synonym
Pigment Red 1 Synonym
Pigment Red Zh Synonym
1-[(4-Nitrophenyl)azo]-2-naphthol Synonym
1-(2-Hydroxynaphthyl)-4′-nitroazobenzene Synonym
NSC 210792 Synonym
NSC 70812 Synonym

All Properties

Comprehensive physical and chemical properties

Property	Value	Source
Molecular Mass	293.28 g/mol	CAS Common Chemistry
	293.28200000000004 g/mol	RDKit
	293.282 g/mol	RDKit
Wikipedia Url	https://en.wikipedia.org/wiki/Para_red	CAS Common Chemistry
Canonical SMILES	O=N(=O)C1=CC=C(N=NC2=C(O)C=CC=3C=CC=CC32)C=C1	CAS Common Chemistry
InChI	InChI=1S/C16H11N3O3/c20-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)19(21)22/h1-10,20H	CAS Common Chemistry
InChI Key	InChIKey=WOTPFVNWMLFMFW-UHFFFAOYSA-N	CAS Common Chemistry
Melting Point	251 °C	CAS Common Chemistry
Name	Pigment Red 1	CAS Common Chemistry
	Para red	CAS Common Chemistry
Heavy Atom Count	22	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 Å²	RDKit
	83.25 Å²	chempirical lib
LogP	4.869000000000002	RDKit
	4.869	RDKit
Molar Refractivity	82.88520000000003 cm³/mol	RDKit
Ring Count	3	RDKit
Formal Charge	0	RDKit
Fraction Csp3	0.0	RDKit
Exact Mass	293.080041212 g/mol	RDKit

Spectral Data

NMR, IR, and Mass spectral data

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

Related molecules

Other compounds with formula C16H11N3O3.

4-[2-(4-Nitrophenyl)Diazenyl]-1-Naphthalenol CAS 5290-62-0