3-(Methylthio)propanal

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

Molecular structure of 3268-49-3
US ProductionCBI
Import Value$760M
Top SourceChina 33%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293090 · basket

These shares come from HS customs code 293090, which covers 111 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
EPA-registered manufacturers (3)
Arkema
Evonik
Novus International

Why It Matters

Sectors
AgricultureEnergyCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 1 functional role.

  • Intermediate in Agriculture, Forestry, Fishing and Hunting (100%)Processing as a reactant
  • Intermediate in Cyclic Crude and Intermediate Manufacturing (100%)Processing as a reactant
  • Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.17/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$4152.15 / 25 kg
Purity97%
Vendors10 available

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

9 more vendors
VendorCountry$/gPackPurity
Sigma-AldrichGermany$0.1725 kg97%
A2B Chem LLCUnited States$0.46250 g98%
AA BLOCKSUnited States$0.60250 g98%
Manchester OrganicsUnited Kingdom$0.85250 g97%
Combi-Blocks, Inc.United States$1.50100 g95%
ALFA AESARGermany$1.51250 g98%
AstaTech, IncUnited States$2.38100 g95%
AK Scientific, Inc.United States$4.4025 g97%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS3268-49-3
PubChem CID18635
DTXSIDDTXSID9027528
FormulaC4H8OS
Mol. Weight104.17 g/mol
SMILESCSCCC=O

Data Sources

DTXSID90275282026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

186352026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/18635/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/18635.json

3268-49-32026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 3268-49-32026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv