Back to Search
Molecule
Chlorophenol Red
CAS: 4430-20-0 · C19H12Cl2O5S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 4430-20-0
- Molecular Formula
- C19H12Cl2O5S
- Molecular Mass
- 423.27 g/mol
Identifiers
CAS Registry Number
4430-20-0
SMILES
O=S1(=O)OC(c2ccc(O)c(Cl)c2)(c2ccc(O)c(Cl)c2)c2ccccc21
InChI Key
WWAABJGNHFGXSJ-UHFFFAOYSA-N
InChI
InChI=1S/C19H12Cl2O5S/c20-14-9-11(5-7-16(14)22)19(12-6-8-17(23)15(21)10-12)13-3-1-2-4-18(13)27(24,25)26-19/h1-10,22-23H
Names and Synonyms
- Chlorophenol Red Common Name
- Phenol, 4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-chloro- Synonym
- Chlorophenol red Synonym
- Phenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[2-chloro-, S,S-dioxide Synonym
- o-Toluenesulfonic acid, α,α-bis(3-chloro-4-hydroxyphenyl)-α-hydroxy-, γ-sultone Synonym
- 3H-2,1-Benzoxathiole, phenol deriv. Synonym
- 4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-chlorophenol] Synonym
- Chlorphenol red Synonym
- Dichlorophenolsulfonephthalein Synonym
- Chlorphenolsulfonphthalein Synonym
- NSC 7828 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 423.27 g/mol | CAS Common Chemistry |
| 423.27300000000014 g/mol | RDKit | |
| 423.273 g/mol | RDKit | |
| 423.26 g/mol | chempirical lib | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Chlorophenol_red | CAS Common Chemistry |
| Canonical SMILES | O=S1(=O)OC(C2=CC=C(O)C(Cl)=C2)(C3=CC=C(O)C(Cl)=C3)C=4C=CC=CC41 | CAS Common Chemistry |
| InChI | InChI=1S/C19H12Cl2O5S/c20-14-9-11(5-7-16(14)22)19(12-6-8-17(23)15(21)10-12)13-3-1-2-4-18(13)27(24,25)26-19/h1-10,22-23H | CAS Common Chemistry |
| InChI Key | InChIKey=WWAABJGNHFGXSJ-UHFFFAOYSA-N | CAS Common Chemistry |
| Name | Chlorophenol red | CAS Common Chemistry |
| Heavy Atom Count | 27 | RDKit |
| Hydrogen Bond Acceptors | 5 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 2 | RDKit |
| Aromatic Ring Count | 3 | RDKit |
| Topological Polar Surface Area | 83.83000000000001 Ų | RDKit |
| 83.83 Ų | RDKit | |
| LogP | 4.415400000000002 | RDKit |
| 4.4154 | RDKit | |
| Molar Refractivity | 100.82839999999999 cm³/mol | RDKit |
| Ring Count | 4 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0526 | RDKit |
| 0.05 | chempirical lib | |
| Exact Mass | 421.97824984399995 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
Convert
Quick conversion
MW = 423.27 g/mol. Edit any field — others recompute live.
