Formic acid

Formic acid (85-95% in aqueous solution), methanoic acid

How to detect Formic acid

Formula: CH2O2 | CAS: 64-18-6

Synonyms: Formic acid (85-95% in aqueous solution), methanoic acid

Specification

Specification Value/Information
Formula CH2O2
CAS no. 64-18-6
Gas Response Factor, 11.7 eV 5
Gas Response Factor, 10.6 eV ZR
Gas Response Factor, 10.0 eV ZR
ppm per mg/m⁻³, (20 °C, 1 bar) 0.523
Molecular Weight, g/mole 46.0
Melting point, °C -6.7
Boiling point, °C 106.7
Flash point, °C 50 (90%)
Specification Value/Information
Lower Explosive Limit, % 18
Density, g.cm⁻³ 1.22
Ionisation Energy, eV 11.05
EH40 TWA, ppm 5
EH40 TWA, mg.m⁻³ 9.6
NIOSH TWA REL, ppm 5
NIOSH TWA REL, mg.m⁻³ 9
NIOSH IDLH, ppm 30
OSHA TWA PEL, ppm 5
OSHA TWA PEL, mg.m⁻³ 9

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