Butyric acid
Buttersäure · حمض الزبدة · Маслена киселина · Βουτανικό οξύ · Ácido butírico · بوتریک اسید · Acide butanoïque · חומצה בוטירית · Vajsav · Asam butirat · Acido butirrico · 酪酸
| CAS | 107-92-6 |
|---|---|
| EC | 203-532-3 |
| UN | 2820 |
| Formula | C4H8O2 |
| Molar mass | 88.11 g/mol |
| LEL | 2.0 % vol |
| UEL | 10.0 % vol |
| Flash point | 72 °C |
| Autoignition temperature | 443 °C |
| Temperature class | T2 |
| Relative density of the gas or vapour (air = 1) | 3.04 |
| GHS | Danger · H314 |
Butyric acid is a straight-chain saturated fatty acid that is butane in which one of the terminal methyl groups has been oxidised to a carboxy group. It has a role as a Mycoplasma genitalium metabolite and a human urinary metabolite. Butyric acid appears as a colorless liquid with a penetrating and unpleasant odor. Flash point 170 °F. Corrosive to metals and tissue.