Physical state and appearance: Liquid.
Odor: Pungent. Penetrating. Benzaldehyde-like
Molecular Weight: Not applicable.
Color: Clear Colorless.
pH (1% soln/water): Acidic.
Boiling Point: The lowest known value is 100°C (212°F) (Water). Weighted average: 100.67°C (213.2°F)
Melting Point: May start to solidify at 8.4°C (47.1°F) based on data for: Formic acid.
Critical Temperature: Not available.
Specific Gravity: Weighted average: 1.21 (Water = 1)
The highest known value is 4.7 kPa (@ 20C) (Formic acid). Weighted average: 4.6 kPa (@ 20°C)
Vapor Density: The highest known value is 1.59 (Air = 1) (Formic acid). Weighted average: 1.55 (Air = 1)
Volatility: Not available.
Odor Threshold: The highest known value is 0.625 ppm (Formic acid)
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: See solubility in water, diethyl ether, acetone.
Solubility:Easily soluble in acetone. Soluble in cold water, hot water, diethyl ether.
Place of Origin:
Colorless liquid with pungent odor
leather pringting and dyeing
pure formic acid
SGS or BV