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Citraconic Acid
CAS: 498-23-7 | C5H6O4
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
498-23-7
Molecular Formula:
C5H6O4
Molecular Mass:
130.10 g/mol
Names and Synonyms:
Citraconic Acid
2-Butenedioic acid, 2-methyl-, (2Z)-
Citraconic acid
2-Butenedioic acid, 2-methyl-, (Z)-
(2Z)-2-Methyl-2-butenedioic acid
Methylmaleic acid
(Z)-2-Methyl-2-butenedioic acid
2-Methylmaleic acid
Identifiers:
SMILES:
C/C(=C/C(=O)O)C(=O)O
InChI:
InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2-
Key Properties
Boiling Point
170-175 °C
CAS Common Chemistry
Melting Point
93.5 °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 | 130.10 g/mol | CAS Common Chemistry |
| 130.099 g/mol | RDKit | |
| 130.026608672 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Citraconic_acid | CAS Common Chemistry |
| Boiling Point | 170-175 °C | CAS Common Chemistry |
| Canonical SMILES | O=C(O)C=C(C(=O)O)C | CAS Common Chemistry |
| InChI | InChI=1S/C5H6O4/c1-3(5(8)9)2-4(6)7/h2H,1H3,(H,6,7)(H,8,9)/b3-2- | CAS Common Chemistry |
| InChI Key | InChIKey=HNEGQIOMVPPMNR-IHWYPQMZSA-N | CAS Common Chemistry |
| Melting Point | 93.5 °C | CAS Common Chemistry |
| Name | Citraconic acid | CAS Common Chemistry |
| Heavy Atom Count | 9 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 2 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 74.6 Ų | RDKit |
| LogP | 0.10189999999999988 | RDKit |
| Molar Refractivity | 29.02859999999999 | RDKit |
