Methacrylic acid
حمض الميثاكريليك · Metakrilat turşusu · Methacrylsäure · Ácido metacrílico · متاکریلیک اسید · Acide méthacrylique · חומצה מתאקרילית · Metakrilsav · Akrilat · Acido metacrilico · メタクリル酸 · 메타크릴산
| CAS | 79-41-4 |
|---|---|
| EC | 201-204-4 |
| UN | 2531 |
| Formula | C4H6O2 |
| Molar mass | 86.09 g/mol |
| LEL | 1.6 % vol |
| UEL | 8.8 % vol |
| Flash point | 66.9 °C |
| Autoignition temperature | 400 °C |
| Temperature class | T2 |
| Relative density of the gas or vapour (air = 1) | 2.97 |
| GHS | Danger · H302, H312, H314 |
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. 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.