This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.
309 °F at 760 mmHg (USCG, 1999)
152-155 °C at 760 mm Hg
152-155 °C
Density
0.949 at 68 °F (USCG, 1999) - Less dense than water; will float
0.950 at 20 °C/4 °C
Relative density (water = 1): 0.95
0.944-0.948
Physical Description
Isobutyric acid appears as a colorless liquid with a light odor of rancid butter. Corrosive to metals and tissue.
Liquid
Colorless liquid; [Hawley] Pungent odor, but not as unpleasant as butyric acid; [Merck Index]
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.
colourless liquid with a strong penetrating odour of rancid butter