Back to Search
Sudan Ii
CAS: 3118-97-6 | C18H16N2O
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
3118-97-6
Molecular Formula:
C18H16N2O
Molecular Mass:
276.34 g/mol
Names and Synonyms:
Sudan Ii
2-Naphthalenol, 1-[2-(2,4-dimethylphenyl)diazenyl]-
C.I. Solvent Orange 7
Sudan Red
2-Naphthalenol, 1-[(2,4-dimethylphenyl)azo]-
1-[2-(2,4-Dimethylphenyl)diazenyl]-2-naphthalenol
C.I. 12140
Brasilazina Oil Scarlet 6G
Ceres Orange RR
Cerisol Scarlet G
Fast Oil Orange II
Fat Scarlet 2G
Grasan Orange 3R
Lacquer Orange VR
Oil Orange R
Oil Orange X
Oil Orange 2R
Oil Orange N Extra
Oil Orange KB
Oil Orange XO
Oil Scarlet
Oil Scarlet 6G
Oil Scarlet 371
Oil Scarlet BL
Oil Scarlet YS
AF Red No. 5
Resin Scarlet 2R
Somalia Orange A 2R
Sudan II
Sudan Orange RPA
Somalia Orange 2R
Sudan Orange RRA
Ext D and C Red No. 14
FD and C Red No. 32
Red No. 5
Oil Red XO
Calco Oil Scarlet BL
Japan Red 505
Sudan orange
Japan Red No.5
Japan Red 5
NSC 10457
Red 505
Sudan 2
Solvent Orange 7
Sudan Red II
Brilliant Oil Scarlet B
Identifiers:
SMILES:
Cc1ccc(N=Nc2c(O)ccc3ccccc23)c(C)c1
InChI:
InChI=1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,21H,1-2H3
Key Properties
Melting Point
166 °C
CAS Common Chemistry
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 276.34 g/mol | CAS Common Chemistry |
| 276.33900000000006 g/mol | RDKit | |
| 276.12626313199996 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Sudan_II | CAS Common Chemistry |
| Canonical SMILES | OC=1C=CC=2C=CC=CC2C1N=NC3=CC=C(C=C3C)C | CAS Common Chemistry |
| InChI | InChI=1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,21H,1-2H3 | CAS Common Chemistry |
| InChI Key | InChIKey=JBTHDAVBDKKSRW-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 166 °C | CAS Common Chemistry |
| Name | Sudan Red | CAS Common Chemistry |
| Sudan II | CAS Common Chemistry | |
| Heavy Atom Count | 21 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 2 | RDKit |
| Aromatic Ring Count | 3 | RDKit |
| Topological Polar Surface Area | 44.95 Ų | RDKit |
| LogP | 5.577640000000005 | RDKit |
| Molar Refractivity | 85.70480000000003 | RDKit |
