M55909 Sigma-Aldrich

Methyl methacrylate

contains ≤30 ppm MEHQ as inhibitor, 99%

Synonym: Methyl 2-methylpropenoate

  • CAS Number 80-62-6

  • Linear Formula CH2=C(CH3)COOCH3

  • Molecular Weight 100.12

  •  Beilstein/REAXYS Number 605459

  •  EC Number 201-297-1

  •  MDL number MFCD00008587

  •  PubChem Substance ID 24897022

  •  NACRES NA.23



Related Categories Acrylic Monomers, Building Blocks, C2 to C5, Carbonyl Compounds, Chemical Synthesis,
Quality Level   200
vapor density   3.5 (vs air)
vapor pressure   29 mmHg ( 20 °C)
assay   99%
autoignition temp.   815 °F
contains   ≤30 ppm MEHQ as inhibitor
expl. lim.   12.5 %
refractive index   n20/D 1.414 (lit.)
bp   100 °C (lit.)
mp   −48 °C (lit.)
density   0.936 g/mL at 25 °C (lit.)
storage temp.   2-8°C
SMILES string   COC(=O)C(C)=C
InChI   1S/C5H8O2/c1-4(2)5(6)7-3/h1H2,2-3H3



1, 2 L in glass bottle

17 L in steel drum

25, 500 mL in glass bottle

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Target organs 
Respiratory system
UN1247 - class 3 - PG 2 - Methyl methacrylate monomer, stabilized
WGK Germany 
Flash Point(F) 
50.0 °F - closed cup
Flash Point(C) 
10 °C - closed cup
Protocols & Articles


ARGET ATRP: Procedure for PMMA Polymer Brush Growth

Surface preparation before polymer brush growth consists of two steps: surface cleaning and initiator monolayer deposition.
Keywords: Deposition, Nucleic acid annealing, Polymerization reactions, Solvents

Application Note: Preparation of Monodisperse Polymer Spheres

Monodisperse, surfactant-free polymer spheres for use as colloidal crystal templates can be easily obtained in reasonably large quantities. Typical synthesis methods for poly(methyl methacrylate) (PM...
Melissa A. Fierke
Material Matters 2008, 3.1, 13.
Keywords: Emulsion polymerization, Polymerization reactions, Precipitation, Sol-gel

Continuous Flow Manufacturing for Monomer Synthesis

High purity monomers are critical raw materials for the manufacture of ophthalmic products.  Chemical impurities, or even the variation of impurity profiles, can have negative consequences on both sa...
Yashwant S Kulkarni, Douglas Harris and Bryce P Nelson

Keywords: Building blocks, Crystallization, Fluorinations, Materials Science, Pharmaceutical, Polymer science, Reversible addition-fragmentation chain transfer polymerizations, Separation

Materials for High and Low Refractive Index Coatings

Refractive index (RI or n) is of critical importance for photonics applications such as optical waveguides and ophthalmic devices. Based on their unique refractive index characteristics and good opti...
Keywords: Environmental, Positron Emission Tomography, Solar cells

Reversible Addition Fragmentation Chain Transfer (RAFT) Polymerization

RAFT (Reversible Addition Fragmentation chain Transfer) polymerization is a reversible deactivation radical polymerization (RDRP) and one of the more versatile methods for providing living characteri...
Graeme Moad, Ezio Rizzardo, and San H. Thang
Material Matters 2010, 5.1, 2.
Keywords: Biomaterials, Living polymerization, Nanotechnology, Polymerization reactions, Radical polymerization, Reversible addition-fragmentation chain transfer polymerizations, transformation


RAFT Polymerization Procedures

RAFT (Reversible Addition-Fragmentation chain Transfer) is a form of living radical polymerization involving conventional free radical polymerization of a substituted monomer in the presence of a sui...
Keywords: Nuclear magnetic resonance spectroscopy, Polymerization reactions, Radical polymerization, Reversible addition-fragmentation chain transfer polymerizations

Related Content

Medical Materials

Medical Device manufacturers partner with us to source quality raw materials, obtain supply chain security, and to leverage a wide range of services to accelerate product development. 
Keywords: Environmental, Microbiology, Pyrogens

Peer-Reviewed Papers


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