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Methacryloyl chloride

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Methacryloyl chloride Basic information
Methacryloyl chloride Chemical Properties
  • Melting point:-60°C
  • Boiling point:95-96 °C(lit.)
  • Density 1.08 g/mL at 20 °C
  • refractive index n20/D 1.442(lit.)
  • Flash point:57 °F
  • storage temp. 2-8°C
  • form Liquid
  • color Clear to slightly colored
  • Water Solubility Miscible with alcohols, ethers and organic solvents. Slightly miscible with water.
  • Sensitive Moisture Sensitive
  • BRN 878175
  • InChIKeyVHRYZQNGTZXDNX-UHFFFAOYSA-N
  • CAS DataBase Reference920-46-7(CAS DataBase Reference)
  • NIST Chemistry ReferenceMethacryloyl chloride(920-46-7)
  • EPA Substance Registry SystemMethacryloyl chloride (920-46-7)
Safety Information
MSDS
Methacryloyl chloride Usage And Synthesis
  • Chemical Propertiesclear slightly colored liquid
  • UsesMethacryloyl Chloride is widely used in the manufacture of polymers.
  • General DescriptionA liquid of density 1.07 g / cm3, boiling point 95-96°C, and flash point 55°F. Highly toxic. Supplied in technical grades of varying purity.
  • Air & Water ReactionsHighly flammable. Reacts with water to produce gaseous hydrogen chloride (corrosive and toxic).
  • Reactivity ProfileMethacryloyl chloride is incompatible with strong oxidizing agents, alcohols, bases (including amines). Can polymerize violently; but the polymerization reaction can be inhibited by the addition of phenolthiazine. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].
  • Hazard Flammable and corrosive liquid.
  • Purification MethodsPurify the ester by fractional distillation. If it contains the acid (OH bands in the IR) then add redistilled SOCl2 (with cooling) and cuprous chloride (ca to 2%), reflux the mixture gently for 1hour and fractionate it through a 1metre column packed with glass helices. Redistillation then provides the acid chloride in high purity as a colourless liquid. It is necessary to keep the apparatus moisture free (use CaCl2 tubes), Stabilise it with 0.05% of 2,6-di-tert-butyl-4-methylphenol. [Lal & Green J Org Chem 20 1032 1955, Beilstein 2 IV 1537.]
Methacryloyl chloride Preparation Products And Raw materials
Methacryloyl chloride (920-46-7)Related Product Information
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