m-Bis(1-methylvinyl)benzene

CAS 3748-13-8

Used in 1 industrial sector tracked by the EPA.

US production6.1M lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290290 · basket

EPA reports by year

2023: US production 6.1M lb · Imports Zero
2019: US production Confidential · Imports Zero

HS customs code 290290 covers 171 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Deltech Monomers Bidco Holdings

Why It Matters

Sectors

Paints & Coatings

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Monomers in Paint and Coating Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.30/gBLD Pharmatech GmbH

CountryGermany

Pack$150.00 / 500 g

Purity97%

Vendors14 available

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

13 more vendors

Vendor	Country	$/g	Pack	Purity
BLD Pharmatech Ltd.	China	$0.30	500 g	97%
Ambeed, Inc.	United States	$0.30	500 g	97%
Combi-Blocks, Inc.	United States	$0.30	500 g	97%
A2B Chem LLC	United States	$0.36	100 g	97%
Fluorochem EU	Germany	$0.37	500 g	98%
MedChemExpress MCE	Sweden	$0.38	500 g	—
Aaron Chemicals LLC	Hong Kong	$0.38	500 g	97%
AA BLOCKS	United States	$0.40	100 g	97%
Angene Chemical	China → Hong Kong	$0.41	500 g	98%
BLD Pharmatech Co., Limited	United States	$0.50	100 g	97%
Fluorochem UK	United Kingdom	$0.60	100 g	98%
AstaTech (2 weeks)	United States	$1.40	100 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS3748-13-8

PubChem CID77353

DTXSIDDTXSID7027546

FormulaC12H14

Mol. Weight158.24 g/mol

SMILESCC(=C)C1=CC(=CC=C1)C(=C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID7027546Retrieved 2026-04-06
PubChem · compound 77353Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

m-Bis(1-methylvinyl)benzene (CAS 3748-13-8) https://chemicalindependence.com/chemical/3748-13-8/ EPA CompTox (DSSTox): DTXSID7027546. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7027546 PubChem: 77353. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/77353 EPA Chemical Data Reporting: 3748-13-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3748-13-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting