Isobutyric acid, also known as 2-methylpropionic acid, is an organic compound with chemical formula of C4H8O2. It is a colorless liquid, insoluble in water, and miscible in ethanol, ether, chloroform, glycerin, propylene glycol, etc. It is mainly used in organic synthesis.
Specification
Melting Point
-47 °C (lit.)
Boiling Point
153-154 °C (lit.)
Density
0.95 g/mL at 25 °C (lit.)
Refractive Index
n20/D 1.393(lit.)
Flash point
132 °F
Storage Condition
Store below +30°C.
Solubility
618g/l
Appearance
Liquid
Acidity Coefficient (pKa)
4.84(at 20℃)
Color
Clear colorless
Odor
0.0015ppm
PH
3.96(1 mM solution);3.44(10 mM solution);2.93(100 mM solution);
Water Solubility
210 g/L (20 ºC)
InChIKey
KQNPFQTWMSNSAP-UHFFFAOYSA-N
Safety Information
Dangerous Goods Sign
Xn
Hazard Category Code
21/22
Safety Instructions
23-36/37/39-24/25
Dangerous Goods Transportation No
UN 2529 3/PG 3
WGK Germany
1
RTECS
NQ4375000
F
13
TSCA
Yes
Hazard Level
3
Packaging Category
III
HS CODE
29156000
