メタクリル酸
Methacrylic acid · حمض الميثاكريليك · Metakrilat turşusu · Methacrylsäure · Ácido metacrílico · متاکریلیک اسید · Acide méthacrylique · חומצה מתאקרילית · Metakrilsav · Akrilat · Acido metacrilico · 메타크릴산
| CAS | 79-41-4 |
|---|---|
| EC | 201-204-4 |
| UN | 2531 |
| 化学式 | C4H6O2 |
| モル質量 | 86.09 g/mol |
| 爆発下限界（LEL） | 1.6 % vol |
| 爆発上限界（UEL） | 8.8 % vol |
| 引火点 | 66.9 °C |
| 発火温度 | 400 °C |
| 温度等級 | T2 |
| ガスまたは蒸気の相対密度（空気 = 1） | 2.97 |
| GHS | 危険 · 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.