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| Names | |
|---|---|
| IUPAC name
2-Methoxyacetic acid
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| Other names
2-Methoxyacetic acid
Methyl glycolic acid | |
| Identifiers | |
| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.009.904 |
| EC Number |
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PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| C3H6O3 | |
| Molar mass | 90.08 g/mol−1 |
| Appearance | Clear, colorless, viscous liquid with a pungent odor |
| Density | 1.1768 g/cm−3 |
| Melting point | 7–9 °C (45–48 °F; 280–282 K) |
| Boiling point | 202–204 °C (396–399 °F; 475–477 K) |
| Soluble in water, ethanol, and diethyl ether | |
| Vapor pressure | 1.8 mbar (20 °C) 4.8 mbar (50 °C) |
| Acidity (pKa) | 3.57 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Methoxyacetic acid is the organic compound with the formula CH3OCH2CO2H. It can be viewed as a derivative of acetic acid in which a hydrogen atom of the methyl group is replaced by a methoxy group. As indicated by the synonym methyl glycolic acid, and as the simplest ether carboxylic acid, methoxyacetic acid can be understood as a methyl ether of glycolic acid.