2-Methylpropanoic acid
Isobuttersäure · Μεθυλοπροπανικό οξύ · Ácido 2-metilpropanoico · ایزوبوتیریک اسید · Acide 2-méthylpropanoïque · Izovajsav · イソ酪酸 · Isoboterzuur · Kwas izomasłowy · Ácido isobutírico · Acid izobutiric · Изобутерна киселина
| CAS | 79-31-2 |
|---|---|
| EC | 201-195-7 |
| UN | 2529 |
| Formula | C4H8O2 |
| Massa molare | 88,11 g/mol |
| LIE (LEL) | 2,0 % vol |
| LSE (UEL) | 10,0 % vol |
| Punto di infiammabilità | 58 °C |
| Temperatura di autoaccensione | 443 °C |
| Classe di temperatura | T2 |
| Gruppo di gas | IIA |
| Densità relativa del gas o del vapore (aria = 1) | 3,04 |
| GHS | Attenzione · H302, H312 |
Isobutyric acid is a branched fatty acid comprising propanoic acid carrying a methyl branch at C-2. It has a role as a volatile oil component, a plant metabolite and a Daphnia magna metabolite. Isobutyric acid appears as a colorless liquid with a light odor of rancid butter. Corrosive to metals and tissue.