Formic acid 98% – 100%

vapor density

1.6 (vs air)

vapor pressure

44.8 mmHg ( 20 °C)

Assay

≥98% (acidimetric)

form

liquid

autoignition temp.

1004 °F

expl. lim.

12-38 % (v/v)
57 %

technique(s)

LC/MS: suitable

refractive index

n20/D 1.370 (lit.)

pH

2.2 (20 °C 10 g/L in H₂O)

bp

100-101 °C (lit.)
101 °C/1013 hPa

mp

8.2-8.4 °C (lit.)

transition temp

flash point 49.5 °C

density

1.22 g/mL at 25 °C (lit.)

cation traces

Al: ≤5.0 ppm
Ca: ≤10 ppm
Cu: ≤1.0 ppm
Fe: ≤5.0 ppm
K: ≤5.0 ppm
Mg: ≤2.0 ppm
NH₄⁺: ≤10 ppm
Na: ≤5.0 ppm

storage temp.

15-25°C

SMILES string

OC=O

InChI

1S/CH2O2/c2-1-3/h1H (H 2 3)

InChI key

BDAGIHXWWSANSR-UHFFFAOYSA-N