Basic information
- Name:
2-Butenedioic acid,2-methyl-, (2E)-
- Superlist Name:
- Mesaconic acid
- CAS No.:
498-24-8
- Molecular Structure:
- Formula:
- C5H6 O4
- Molecular Weight:
- 130.11
- Synonyms:
- 2-Butenedioicacid, 2-methyl-, (E)-; Mesaconic acid (6CI,8CI); (2E)-2-Methyl-2-butenedioicacid; (E)-Citraconic acid; 2-Methylfumaric acid; Citronic acid; Methylfumaricacid; NSC 65438; trans-1-Propene-1,2-dicarboxylic acid;trans-2-Methyl-2-butenedioic acid
- EINECS:
- 207-859-2
- Density:
- 1.387 g/cm3
- Melting Point:
- 200-202 ºC
- Boiling Point:
- 336.6 °C at 760 mmHg
- Flash Point:
- 171.5 °C
- Hazard Symbols:
- Risk Codes:
- R36/37/38
- Safety Description:
- Moderately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and fumes. Details
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Chemistry
Product Name: Mesaconic acid (CAS NO.498-24-8)
Molecular Formula: C5H6O4
Molecular Weight: 130.1g/mol
Mol File: 498-24-8.mol
Einecs: 207-859-2
Melting Point: 200-202 °C(lit.)
Boiling point: 336.6 °C at 760 mmHg
Flash Point: 171.5 °C
Density: 1.387 g/cm3
Surface Tension: 57.4 dyne/cm
Enthalpy of Vaporization: 63.72 kJ/mol
Vapour Pressure: 2.09E-05 mmHg at 25°C
XLogP3-AA: -0.1
H-Bond Donor: 2
H-Bond Acceptor: 4
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LDLo | intraperitoneal | 500mg/kg (500mg/kg) | "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 6, Pg. 147, 1954. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and fumes.
Safety Information of Mesaconic acid (CAS NO.498-24-8):
Hazard Codes: Xi.gif){kind=small}
Risk Statements: 36/37/38
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 26-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
Specification
Mesaconic acid ,its CAS NO. is 498-24-8,the synonyms is (2E)-2-Methyl-2-butenedioic acid ; 2-Methylfumaric acid ; Butenedioic acid, methyl-, (E)- ; Fumaric acid, methyl- ; Kyselina mesakonova ; kyselinamesakonova ; Mesaconate ; methyl-fumaricaci .