Melting point: |
-70 °C |
Boiling point: |
176-177 °C (lit.) |
Density |
0.936 g/mL at 25 °C (lit.) |
vapor pressure |
0.5 mm Hg ( 20 °C) |
FEMA |
2695 | 2-METHYLBUTYRIC ACID |
refractive index |
n20/D 1.405(lit.) |
Flash point: |
165 °F |
storage temp. |
Sealed in dry,Room Temperature |
solubility |
20g/l |
pka |
4.8(at 25℃) |
form |
Liquid |
color |
Clear colorless to pale yellow |
Odor |
at 10.00 % in propylene glycol. pungent acid roquefort cheese |
Odor Type |
acidic |
explosive limit |
1.6-7.3%(V) |
Water Solubility |
45 g/L (20 ºC) |
JECFA Number |
255 |
BRN |
1720486 |
LogP |
1.8 at 25℃ |
CAS DataBase Reference |
116-53-0(CAS DataBase Reference) |
NIST Chemistry Reference |
Butanoic acid, 2-methyl-(116-53-0) |
EPA Substance Registry System |
2-Methylbutyric acid (116-53-0) |