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| CAS No.: | 498-24-8 |
|---|---|
| Name: | Mesaconic acid |
| Article Data: | 77 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C5H6 O4 |
| Molecular Weight: | 130.1 |
| 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 |
| Solubility: | 26.3g/L(18 oC) |
| Hazard Symbols: |
|
| Risk Codes: | R36/37/38 |
| Safety: | Moderately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and fumes. |
| PSA: | 74.60000 |
| LogP: | 0.10190 |
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| Conditions | Yield |
|---|---|
| Stage #1: diethylitaconate With 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene Heating; Stage #2: With hydrogenchloride for 3h; Heating; | 80% |
- 97-65-4
2-methylenesuccinic acid
A
- 79-41-4
poly(methacrylic acid)
B
- 498-23-7
citraconic acid
C
- 498-24-8
Mesaconic acid
| Conditions | Yield |
|---|---|
| With 5% Pt/Al2O3; sodium hydroxide In water at 250℃; for 1h; Reagent/catalyst; Temperature; Inert atmosphere; | A 68% B n/a C n/a |
| With sodium hydroxide In water at 180℃; under 112511 Torr; for 0.241667h; | A 27.26 %Spectr. B 36.48 %Spectr. C 16.23 %Spectr. |
| With sodium hydroxide at 280℃; for 0.0583333h; | A 57.08 %Chromat. B 5.91 %Chromat. C 5.72 %Chromat. |
| With sodium hydroxide at 250℃; for 0.25h; Reagent/catalyst; |
- 77-92-9
citric acid
A
- 79-41-4
poly(methacrylic acid)
B
- 498-23-7
citraconic acid
C
- 498-24-8
Mesaconic acid
D
- 97-65-4
2-methylenesuccinic acid
| Conditions | Yield |
|---|---|
| With 4-methoxy-phenol; triphenylphosphine In water at 225℃; under 20686.5 Torr; for 1.5h; Temperature; Glovebox; Inert atmosphere; | A 24.1% B n/a C n/a D n/a |
| With sodium hydroxide at 250℃; for 0.25h; Reagent/catalyst; |
- 59107-74-3
3-bromo-4-methyl-2,5-furandione
A
- 498-24-8
Mesaconic acid
B
- 498-21-5, 636-60-2
2-methylbutanedioic acid
| Conditions | Yield |
|---|---|
| With water; zinc |
| Conditions | Yield |
|---|---|
| Rate constant; |
- 41138-18-5
2-methyl-fumaramide
- 498-24-8
Mesaconic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
| Conditions | Yield |
|---|---|
| beim Kochem die entstehende Itaconsaeure; |
| Conditions | Yield |
|---|---|
| at 180 - 200℃; | |
| Quantum yield; Irradiation; | |
| With diethyl ether; chloroform; bromine an der Sonne; |
| Conditions | Yield |
|---|---|
| With sodium hydroxide |
- Total:36 Page 1 of 1 1
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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 .