Methacryloyl chloride

CAS 920-46-7

2-Propenoyl chloride, 2-methyl-

Molecular structure of 920-46-7
US productionNot reported
Import value, 2024$117M
Top sourceChina 50%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291619 · basket

These shares come from HS customs code 291619, which covers 169 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 50%ChinaDE 21%GermanyTW 12%TaiwanIN 7%IndiaGB 3%United Kingdom

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$0.27/gA2B Chem LLC
CountryUnited States
Pack$133.00 / 500 g
Purity95%
Vendors4 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS920-46-7
PubChem CIDNot recorded
DTXSIDDTXSID6061280
FormulaC4H5ClO
Mol. Weight104.53 g/mol
SMILESCC(=C)C(Cl)=O

Data Sources

Brief citations

Methacryloyl chloride (CAS 920-46-7) https://chemicalindependence.com/chemical/920-46-7/ EPA TSCA Inventory: CAS 920-46-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291619 for CAS 920-46-7. Reporting year: 2024. https://usatrade.census.gov/