Molekula

Methacryloyl chloride 97% (stabilised)

SKU 90026450 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 97% (stabilised) is a reactive acyl chloride used primarily in organic synthesis to prepare methacrylates, adhesives, and specialty polymers. It serves as a key intermediate in the production of acrylic resins and coatings. It is also used to make hydrogel materials for contact lenses, for example by functionalising poly(vinylpyrrolidinone) for copolymerisation with 2-hydroxyethyl methacrylate. This chemical has a CAS number of 920-46-7, with the molecular formula CH2=C(CH3)COCl and a molecular weight of 104.53. It is stored at ambient conditions and carries a signal word of Danger. Molekula supplies Methacryloyl chloride 97% (stabilised) 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: 90026450
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 primarily used for?

Methacryloyl chloride is primarily used as a reagent in organic synthesis, particularly for preparing methacrylates, pharmaceutical intermediates, and specialty polymers.

What is the molecular formula and molecular weight of methacryloyl chloride?

The molecular formula is **CH₂=C(CH₃)COCl**, and the molecular weight is **104.53 g/mol**.

How should methacryloyl chloride be stored?

Store at **ambient temperature** in a cool, dry place, away from moisture and incompatible materials like water, alcohols, and amines.

What grade of methacryloyl chloride does Molekula supply?

Molekula supplies **97% purity (stabilised)** methacryloyl chloride, suitable for research and industrial applications requiring high-quality reagents.

Can Molekula supply methacryloyl chloride in bulk quantities?

Yes, we offer bulk quantities of methacryloyl chloride—please contact our sales team for pricing and availability based on your specific requirements.

What documentation comes with an order of methacryloyl chloride?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, stability, and handling instructions.

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.