甲基丙烯酸
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
| CAS | 79-41-4 |
|---|---|
| EC | 201-204-4 |
| UN | 2531 |
| 分子式 | C4H6O2 |
| 摩尔质量 | 86.09 g/mol |
| 爆炸下限（LEL） | 1.6 % vol |
| 爆炸上限（UEL） | 8.8 % vol |
| 闪点 | 66.9 °C |
| 引燃温度 | 400 °C |
| 温度组别 | T2 |
| 气体或蒸气的相对密度（空气 = 1） | 2.97 |
| GHS | 危险 · 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.