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Basic Information
| CAS No.: | 516-05-2 |
|---|---|
| Name: | 2-Methylpropanedioic acid |
| Article Data: | 55 |
| Molecular Structure: | |
|
|
|
| Formula: | C4H6O4 |
| Molecular Weight: | 118.089 |
| Synonyms: | CPD-546;Propanedioic acid, methyl-;2-methylpropanedioic acid;2-methylpropanedioate;Propanedioic acid, methyl- (9CI);2-Methylmalonic acid;methylpropanedioic acid;4-02-00-01932 (Beilstein Handbook Reference);Malonic acid, methyl-;1, 1-Ethanedicarboxylic acid;Isosuccinic acid; |
| EINECS: | 208-219-5 |
| Density: | 1.402 g/cm3 |
| Melting Point: | 128-130 °C(lit.) |
| Boiling Point: | 334.4 °C at 760 mmHg |
| Flash Point: | 170.2 °C |
| Solubility: | Soluble in water |
| Appearance: | white crystals |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26 |
| PSA: | 74.60000 |
| LogP: | -0.20830 |
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Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| With potassium hydroxide In ethanol for 1h; Ambient temperature; | 99% |
| With potassium hydroxide In water at 0 - 20℃; for 60h; | 71% |
| With potassium hydroxide In ethanol; water for 4h; Heating; |
- 38330-80-2
monomethyl monopotassium malonate
- 516-05-2
methyl-propanedioic acid
Conditions
| Conditions | Yield |
|---|---|
| With concentrated hydrochloric acid In water | 96% |
| With hydrogenchloride In hexane; dichloromethane | 84.8% |
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1,3-di-tert-butyl 2-methylpropanedioate
- 516-05-2
methyl-propanedioic acid
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide In methanol; dichloromethane at 20℃; for 3h; Solvent; | 84% |
Conditions
| Conditions | Yield |
|---|---|
| In water; toluene | 81% |
| With sodium hydroxide In methanol at 20℃; | |
| With water; sodium hydroxide In methanol at 80℃; for 1h; |
Conditions
| Conditions | Yield |
|---|---|
| With potassium hydroxide |
- 39619-07-3
2-methylmalonyl dichloride
- 516-05-2
methyl-propanedioic acid
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide |
Conditions
| Conditions | Yield |
|---|---|
| With nitric acid |
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide |
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2-Methylpropanedioic acid
Chemistry
The molecular formula of Methylmalonic acid(516-05-2) is C4H6O4 and its formula weight is 118.09.
The density of Methylmalonic acid(516-05-2) is 1.45 and it has a melting point of 128-130 °C(lit.).
The chemical synonyms of Methylmalonic acid(516-05-2) are METHYLMALONIC ACID;METHYLPROPANEDIOIC ACID;2-METHYLPROPANEDIOIC ACID;PROPANEDIOIC ACID, METHYL-;1,1-Ethanedicarboxylic acid;1,1-ethanedicarboxylicacid;2-Methylmalonic acid;2-methylmalonicacid
The molecular structure of Methylmalonic acid(516-05-2):
The density of Methylmalonic acid(516-05-2) is 1.45 and it has a melting point of 128-130 °C(lit.).
The chemical synonyms of Methylmalonic acid(516-05-2) are METHYLMALONIC ACID;METHYLPROPANEDIOIC ACID;2-METHYLPROPANEDIOIC ACID;PROPANEDIOIC ACID, METHYL-;1,1-Ethanedicarboxylic acid;1,1-ethanedicarboxylicacid;2-Methylmalonic acid;2-methylmalonicacid
The molecular structure of Methylmalonic acid(516-05-2):
Toxicity Data With Reference
RTECS#: CAS# 516-05-2: OO1400000
LD50/LC50: RTECS: Not available.
Carcinogenicity: Methylmalonic acid - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: See actual entry in RTECS for complete information.
LD50/LC50: RTECS: Not available.
Carcinogenicity: Methylmalonic acid - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: See actual entry in RTECS for complete information.
Safety Profile
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26
WGK Germany 3
RTECS OO1400000
Risk Statements 36/37/38
Safety Statements 26
WGK Germany 3
RTECS OO1400000
Specification
Chemical Stability: Stable under normal temperatures and pressures.
Conditions to Avoid: Strong oxidants.
Incompatibilities with Other Materials Not available
Hazardous Decomposition Products Irritating and toxic fumes and gases.
Hazardous Polymerization Hazardous Polymerization
Conditions to Avoid: Strong oxidants.
Incompatibilities with Other Materials Not available
Hazardous Decomposition Products Irritating and toxic fumes and gases.
Hazardous Polymerization Hazardous Polymerization
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