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1-Methyl-3-propylbenzene

CAS 1074-43-7

U.S. production volumes are classified as confidential business information.

Molecular structure of 1074-43-7
US productionCBI
Import value, 2024$68M
Top sourceIndia 35%

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019. 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
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 290290, which covers 171 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 35%IndiaTW 11%TaiwanES 10%SpainDE 10%GermanyCN 8%China
Domestic parents -- activity not disclosed (1)
Crh Americas

Why It Matters

Sectors
Construction
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$51.50/gCombi-Blocks, Inc.
CountryUnited States
Pack$515.00 / 10 g
Purity98%
Vendors3 available

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

2 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$54.9010 g95%
AA BLOCKSUnited States$57.9010 g95%

Chemical Identity

CAS1074-43-7
PubChem CID14092
DTXSIDDTXSID4061468
FormulaC10H14
Mol. Weight134.22 g/mol
SMILESCCCC1=CC=CC(=C1)C

Data Sources

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Brief citations

1-Methyl-3-propylbenzene (CAS 1074-43-7) https://chemicalindependence.com/chemical/1074-43-7/ EPA CompTox (DSSTox): DTXSID4061468. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4061468 PubChem: 14092. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/14092 EPA Chemical Data Reporting: 1074-43-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1074-43-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290290 for CAS 1074-43-7. Reporting year: 2024. https://usatrade.census.gov/