Basic information
- Name:
2-Butenedioic acid,2-methyl-, (2Z)-
- Superlist Name:
- Citraconic acid
- CAS No.:
498-23-7
- Molecular Structure:
- Formula:
- C5H6 O4
- Synonyms:
- 2-Butenedioicacid, 2-methyl-, (Z)-; Citraconic acid (6CI,8CI); (Z)-2-Methyl-2-butenedioicacid; Methylmaleic acid
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Chemistry
Product Name: Citraconic acid (CAS NO.498-23-7)
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Molecular Formula: C5H6O4
Molecular Weight: 130.1g/mol
Mol File: 498-23-7.mol
Einecs: 207-858-7
Appearance: White to light beige crystalline powder
Melting Point: 88-94 °C(lit.)
Boiling point: 336.6 °C at 760 mmHg
Flash Point: 171.5 °C
Density: 1.387 g/cm3
Water Solubility: Freely soluble
Sensitive: Hygroscopic
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 |
|---|---|---|---|---|---|
| guinea pig | LD50 | oral | 1350mg/kg (1350mg/kg) | GASTROINTESTINAL: GASTRITIS | Food and Cosmetics Toxicology. Vol. 2, Pg. 327, 1964. |
| mouse | LD50 | oral | 2260mg/kg (2260mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA GASTROINTESTINAL: OTHER CHANGES | Food and Cosmetics Toxicology. Vol. 2, Pg. 327, 1964. |
| rat | LD50 | oral | 1320mg/kg (1320mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: TREMOR GASTROINTESTINAL: ULCERATION OR BLEEDING FROM STOMACH | Food and Cosmetics Toxicology. Vol. 2, Pg. 327, 1964. |
Safety Profile
Safety Information of Citraconic acid (CAS NO.498-23-7):
Hazard Codes: Xn.gif){kind=small}
Risk Statements: 22-36/37/38
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 36-37/39-26
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
Specification
Citraconic acid ,its CAS NO. is 498-23-7,the synonyms is (z)-2-Methyl-2-butenedioic acid ; (2z)-2-Methyl-2-butenedioic acid ; Kyselina citrakonova ; Kyselinacitrakonova ; Maleic acid, methyl- ; Methyl-maleicaci ; 2-Methyl-2-butenedioic acid ; Methylmaleic acid .
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