Names
Preferred IUPAC name: Methyl 2-methylprop-2-enoate
Other names
Methyl 2-methylpropenoate
methyl methacrylate
MMA
2-(methoxycarbonyl)-1-propene
Identifiers
CAS Number: 80-62-6
JSmol: Interactive image
ChEBI: CHEBI:34840
ChEMBL: ChEMBL49996
ChemSpider: 6406
ECHA InfoCard: 100.001.180
KEGG: C14527
RTECS number: OZ5075000
UNII: 196OC77688
Properties
Chemical formula: C5H8O2
Molar mass: 100.12 g·mol
Appearance: Colorless liquid
Odor: acrid, fruity
Density: 0.94 g/cm
Melting point: −48 °C (−54 °F; 225 K)
Boiling point: 101 °C (214 °F; 374 K)
Solubility in water: 1.5 g/100 ml
log : 1.35
Vapor pressure: 29 mmHg (20°C)
Magnetic susceptibility: -57.3·10 cm/mol−63
Viscosity: P
Structure
Dipole moment: D
Hazards
hazards: Flammable
Safety data sheet: See:
Flash point: 2 °C (36 °F; 275 K)
Autoignition
temperature: 435 °C (815 °F; 708 K)
Explosive limits: 1.7%-8.2%
LD
median concentration: 18750 ppm (rat, 4 hr)
4447 ppm (mouse, 2 hr)
3750 ppm (rat)
4808 ppm (mammal)
lowest published: 4400 ppm (rat, 8 hr)
4400 ppm (rabbit, 8 hr)
4207 ppm (rabbit, 4.5 hr)
4567 ppm (guinea pig, 5 hr)
NIOSH
PEL: TWA 100 ppm (410 mg/m)3
REL: TWA 100 ppm (410 mg/m)3
IDLH: 1000 ppm
Supplementary data page
Structure and
properties: n
Thermodynamic
data: Phase behaviour
Spectral data: UV
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).
Infobox references
