Back to Search
Sudan Iv
CAS: 85-83-6 | C24H20N4O
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
85-83-6
Molecular Formula:
C24H20N4O
Molecular Weight:
380.45100000000014 g/mol
Names and Synonyms:
Sudan Iv
Common Name
Oil Red ED
Synonym
Oil Red BS
Synonym
Oil Red BB
Synonym
Oil Red APT
Synonym
Oil Red 282
Synonym
Oil Red 47
Synonym
Oil Red 7
Synonym
Oil Red 3B
Synonym
Oil Red 3
Synonym
Oil Red 2B
Synonym
Oil Red S
Synonym
Oil Red F
Synonym
Oil Red D
Synonym
Oil Red A
Synonym
Lacquer Red VS
Synonym
Lacquer Red V
Synonym
Hidaco Oil Red
Synonym
Grasan Brilliant Red B
Synonym
Grasal Brilliant Red B
Synonym
Fat Red TS
Synonym
Fat Red BS
Synonym
Fat Red BB
Synonym
Fat Red 2B
Synonym
Fat Red B
Synonym
Fat Ponceau R
Synonym
Fast Red BB
Synonym
Fast Oil Red B
Synonym
Enial Red IV
Synonym
Dispersol Red PP
Synonym
Ceres Red BB
Synonym
Candle Scarlet 2B
Synonym
Candle Scarlet G
Synonym
Candle Scarlet B
Synonym
Brasilazina Oil Red B
Synonym
Biebrich Scarlet Red
Synonym
Biebrich Scarlet BPC
Synonym
C.I. 26105
Synonym
1-[2-[2-Methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]diazenyl]-2-naphthalenol
Synonym
2-Naphthol, 1-(4-o-tolylazo-o-tolylazo)-
Synonym
2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-
Synonym
C.I. Solvent Red 24
Synonym
2-Naphthalenol, 1-[2-[2-methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]diazenyl]-
Synonym
Oil Scarlet 48
Synonym
1-(2-Methyl-4-o-tolylazo-phenylazo)-naphthalen-2-ol
Synonym
Red No. 501
Synonym
Medical Scarlet
Synonym
Permalex Red 2B
Synonym
Orcosolve Red 4B
Synonym
Sudan 4
Synonym
TU 6-14-8780
Synonym
NSC 10472
Synonym
Oil Red SST Extra
Synonym
Oil Red B
Synonym
Sudan Red 380
Synonym
Oleosol Red BB
Synonym
Scarlet R
Synonym
Scarlet R (solvent dye)
Synonym
Sudan (IV) dye
Synonym
Aizen SOT Red 1
Synonym
SOT Red 1
Synonym
Atlasol Red 4B
Synonym
Solvent Red 24
Synonym
Japan Red 501
Synonym
1-(2′-Methyl-4′-(2′′-methylphenylazo)phenylazo)-2-naphthol
Synonym
Oil Red
Synonym
Sudan Red 4BA
Synonym
Scarlet oil
Synonym
Fat Soluble Dark Red
Synonym
Scarlet red
Synonym
2′,3-Dimethyl-4-(2-hydroxynaphthylazo)azobenzene
Synonym
1-[4-(o-Tolylazo)-o-tolylazo]-2-naphthol
Synonym
o-Tolueneazo-o-toluene-β-naphthol
Synonym
Oil Red RC
Synonym
Waxoline Red OS
Synonym
Waxoline Red OM
Synonym
Waxoline Red O
Synonym
Toyo Oil Red BB
Synonym
o-Tolylazo-o-tolylazo-β-naphthol
Synonym
o-Tolylazo-o-tolylazo-2-naphthol
Synonym
Tertrogras Red N
Synonym
Sudan Red IV
Synonym
Sudan Red BBA
Synonym
Sudan Red BB
Synonym
Sudan IV
Synonym
Sudan P
Synonym
Stearix Red 4S
Synonym
Stearix Red 4B
Synonym
Somalia Red IV
Synonym
Silotras Red T 3B
Synonym
Resinol Red 2B
Synonym
Red 3R Soluble in Grease
Synonym
Plastoresin Red F
Synonym
Oil Red RR
Synonym
Organol Red B
Synonym
Oleal Red BB
Synonym
Oil Scarlet
Synonym
Oil Red ZD
Synonym
Oil Red TAX
Synonym
Orient Oil Red RR
Synonym
Oil Red GO
Synonym
Identifiers:
SMILES:
Cc1ccccc1N=Nc1ccc(N=Nc2c(O)ccc3ccccc23)c(C)c1
InChI:
InChI=1S/C24H20N4O/c1-16-7-3-6-10-21(16)26-25-19-12-13-22(17(2)15-19)27-28-24-20-9-5-4-8-18(20)11-14-23(24)29/h3-15,29H,1-2H3
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
Physical Properties
| Property | Value | Source |
|---|---|---|
| molecular_mass | 380.45 g/mol | Legacy Database |
| wikipedia_url | https://en.wikipedia.org/wiki/Sudan_IV None | Legacy Database |
| cas-canonical-smile | OC=1C=CC=2C=CC=CC2C1N=NC3=CC=C(N=NC=4C=CC=CC4C)C=C3C None | Legacy Database |
| cas-inchi | InChI=1S/C24H20N4O/c1-16-7-3-6-10-21(16)26-25-19-12-13-22(17(2)15-19)27-28-24-20-9-5-4-8-18(20)11-14-23(24)29/h3-15,29H,1-2H3 None | Legacy Database |
| cas-inchi-key | InChIKey=RCTGMCJBQGBLKT-UHFFFAOYSA-N None | Legacy Database |
| cas-melting-point | 186 °C (decomp) None | Legacy Database |
| cas-name | Solvent Red 24 None | Legacy Database |
| wikipedia-name | Sudan IV None | Legacy Database |
| LogP | 7.993040000000006 | RDKit |
Molecular
| Property | Value | Source |
|---|---|---|
| Molecular Weight | 380.45100000000014 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 380.16371126 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 29 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 5 count | RDKit |
| Hydrogen Bond Donors | 1 count | RDKit |
Rotatable
| Property | Value | Source |
|---|---|---|
| Rotatable Bonds | 4 count | RDKit |
Aromatic
| Property | Value | Source |
|---|---|---|
| Aromatic Ring Count | 4 count | RDKit |
Topological
| Property | Value | Source |
|---|---|---|
| Topological Polar Surface Area | 69.67 Ų | RDKit |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 116.32280000000002 | RDKit |