Known for its excellent transparency and weatherability, as well as its easy recyclability, this acrylic resin has attracted a great deal of attention for environmental considerations. In addition to its use as a material in its own right, MMA monomer is also an important constituent of various compound chemical products.

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Characteristics

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Chemical name Methyl Methacrylate
Chemical formula

Quality Standards and Reference Values

  Standard Reference value
Number of colors (APHA) 5 or less 5 or less
Specific gravity (20°C/4°C) 0.942 to 0.946 0.944
Free acids (methacrylic acid) % 0.005 or less 0.001
Monomer (GC method) % 99.8 or more 99.9
Moisture content (KF method) % 0.05 or less 0.01
Polymerization inhibitor ppm IA10

General Properties

Molecular weight 100.12
Refractive index (nD20) 1.4152
Viscosity (20°C) mPa・s 0.56
Solidification point °C -48
Specific heat J/(g・°C) 1.89
Polymerization heat kJ/mol 54.4
Boiling point/Vapor pressure °C/hPa 100.8/1013
Solubility (20°C) Percentage into water monomers 0.99
Percentage of monomers into water 1.72
Flash point °C 11
Toxicity (acute oral LD50) mg/kg in rats 7,900
Polymer Tg °C 105

Regulations

Dangerous Substance Classification [Fire Service Act] Class 4, Type 1 Petroleum (non-water-soluble)
Official Chemical Substance Control Number [Chemical Substance Control Law] (2) -1036
CAS No. 80-62-6
USA TSCA Listed
EU EINECS No. 201-297-1
Korea ECL No. KE-25050
China IECSC Listed
Taiwan ECN Listed

Applications

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  • Manufacturing of plates, rods, and pipe
  • Molding material
  • Paint
  • Dental material
  • Adhesive
  • Fiber processing agent
  • Leather treatment
  • Other

Inquiries Concerning Products


Chemical Group 1, Chemicals Dept.
  • TEL:[+81]3-6748-7537

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