Methacrylic acid

2-methylprop-2-enoic acid, alpha-methacrylic acid, 2-methylenepropionic acid, 2-methylpropenoic acid, 2-methyl-2-propenoic acid

How to detect Methacrylic acid

Formula: C4H6O2 | CAS: 79-41-4

Synonyms: 2-methylprop-2-enoic acid, alpha-methacrylic acid, 2-methylenepropionic acid, 2-methylpropenoic acid, 2-methyl-2-propenoic acid

Specification

Specification Value/Information
Formula C4H6O2
CAS no. 79-41-4
Gas Response Factor, 11.7 eV NA
Gas Response Factor, 10.6 eV 2.30
Gas Response Factor, 10.0 eV NA
ppm per mg/m⁻³, (20 °C, 1 bar) 0.279
Molecular Weight, g/mole 86.1
Melting point, °C 15
Boiling point, °C 161
Flash point, °C 68
Specification Value/Information
Upper Explosive Limit, % 8.7
Lower Explosive Limit, % 2.1
Density, g.cm⁻³ 1.015
Ionisation Energy, eV 10.15
EH40 TWA, ppm 20
EH40 TWA, mg.m⁻³ 72
EH40 STEL, ppm 40
EH40 STEL, mg.m⁻³ 143
NIOSH TWA REL, ppm 20
NIOSH TWA REL, mg.m⁻³ 70