| Formula / Notation | C4H6O2 |
|---|---|
| CAS Number | 79-41-4 |
| Molecular Weight | 86.09 |
| Melting Point | 61 °F (NTP, 1992) |
| Boiling Point | 325 °F at 760 mmHg (NTP, 1992) |
| Density | 1.015 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 63 °F (NTP, 1992) |
| Appearance | Methacrylic acid appears as a clear colorless liquid (or low-melting solid) with a pungent odor. Corrosive to metals and tissue. Flash point 170 °F. Melting point 61 °F. May polymerize exothermic... |
| Also Known As | 2-methylprop-2-enoic acid; 79-41-4; 2-Methylacrylic acid; Methylacrylic acid; 2-Propenoic acid, 2-methyl-; 2-Methylpropenoic acid; 2-Methyl-2-propenoic acid; alpha-Methylacrylic acid; 2-Methylenepropionic acid; Acrylic acid, 2-methyl- |
| Category | Organic Compounds |
What is Methacrylic acid?
Methacrylic acid is an alpha,beta-unsaturated monocarboxylic acid that is acrylic acid in which the hydrogen at position 2 is substituted by a methyl group. It is functionally related to an acrylic acid. It is a conjugate acid of a methacrylate.
Formula & Notation
IUPAC Name: 2-methylprop-2-enoic acid
Other Names / Synonyms: 2-methylprop-2-enoic acid; 79-41-4; 2-Methylacrylic acid; Methylacrylic acid; 2-Propenoic acid, 2-methyl-; 2-Methylpropenoic acid; 2-Methyl-2-propenoic acid; alpha-Methylacrylic acid; 2-Methylenepropionic acid; Acrylic acid, 2-methyl-
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 61 °F (NTP, 1992) |
| Boiling Point | 325 °F at 760 mmHg (NTP, 1992) |
| Density | 1.015 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 86.09 |
| Solubility | greater than or equal to 100 mg/mL at 63 °F (NTP, 1992) |
| Appearance | Methacrylic acid appears as a clear colorless liquid (or low-melting solid) with a pungent odor. Corrosive to metals and tissue. Flash point 170 °F. Melting point 61 °F. May polymerize exothermic... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Methacrylic acid is an alpha,beta-unsaturated monocarboxylic acid that is acrylic acid in which the hydrogen at position 2 is substituted by a methyl group. It is functionally related to an acrylic acid. It is a conjugate acid of a methacrylate.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for Methacrylic acid is: C4H6O2