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Molekula

Methacryloyl Chloride 95% (stabilised with 200 ppm MEHQ)

SKU 90026544 CAS 920-46-7 CH2=C(CH3)COCl MW 104.53 Available on enquiry

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ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Methacryloyl chloride 95% (stabilised with 200 ppm MEHQ) is a reactive acylating agent used in polymer synthesis and organic chemistry. A documented application is attaching methacrylate groups to polymers such as poly(vinylpyrrolidone) to produce water-absorbing hydrogels for contact lenses. It is a colourless to pale yellow liquid with a pungent odour. CAS: 920-46-7, molecular formula: CH₂=C(CH₃)COCl, molecular weight: 104.53 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Methacryloyl Chloride 95% (stabilised with 200 ppm MEHQ) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU
90026544
CAS Number
920-46-7
IUPAC Name
2-methylprop-2-enoyl chloride
EC Number
213-058-9
Molecular Formula
CH2=C(CH3)COCl
Molecular Weight
104.53
Exact Mass
104.0029
SMILES
CC(=C)C(=O)Cl
InChIKey
VHRYZQNGTZXDNX-UHFFFAOYSA-N
InChI
InChI=1S/C4H5ClO/c1-3(2)4(5)6/h1H2,2H3
PubChem CID
13528

Synonyms

  • 2-Methyl-2-propenoyl chloride
  • 2-Methylpropenoic acid chloride
  • 2-Methylpropenoyl chloride
  • 2-Propenoyl chloride, 2-methyl-
  • alpha-Methylacryloyl chloride
  • Methacryl chloride
  • Methacrylic acid chloride
  • Methacrylic chloride
  • Methacrylyl chloride
  • Methylacryloyl chloride

Literature values

Published physical properties of the substance, not batch specifications.

Melting Point
-60 °C
Boiling Point
96 °C
Density
1.0871 g/cm³ at 20 °C
Vapour Pressure
45.5 mmHg
Refractive Index
1.4435

Source: PubChem CID 13528 (HSDB, Haz-Map)

See all 2 other grades of CAS 920-46-7 →

Frequently asked questions

What is Methacryloyl Chloride used for?

It is primarily used as a reactive intermediate in the synthesis of polymers and coatings, particularly in acrylic resins and adhesives.

What is the chemical formula and molecular weight of Methacryloyl Chloride?

The formula is CH2=C(CH3)COCl with a molecular weight of 104.53 g/mol.

How should Methacryloyl Chloride be stored?

It should be stored at ambient temperature, protected from moisture and light, and kept in a tightly sealed container.

What grade of Methacryloyl Chloride does Molekula supply?

Molekula supplies Methacryloyl Chloride at 95% purity, stabilized with 200 ppm MEHQ.

Can Molekula supply Methacryloyl Chloride in bulk?

Yes, Molekula can supply Methacryloyl Chloride in bulk quantities—please contact sales for details.

What documentation comes with a purchase of Methacryloyl Chloride?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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