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1,3-Propanediol

CAS 504-63-2

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

Molecular structure of 504-63-2
US productionCBI
Import value, 2024$82M
Top sourceGermany 18%

At least one company claimed its 2023 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: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290539 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 290539, which covers 48 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 18%GermanyKR 16%South KoreaBR 11%BrazilTW 8%TaiwanMX 7%Mexico
EPA-registered manufacturers (1)
Primary Products Ingredients Americas
Domestic parents -- activity not disclosed (2)
Dupont Specialty Products Usa
Polyventive
EPA-registered importers (2)
Basf Se · DE Germany
Basf

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Polymerization promoter in Plastics Material and Resin ManufacturingProcessing as a reactant

Vendor Pricing

$0.01/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$340.00 / 25 kg
PurityNot recorded
Vendors28 available

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

27 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$0.031 kg95%
AA BLOCKSUnited States$0.04500 g95%
BLD Pharmatech Co., LimitedUnited States$0.051 kg99%
BLD Pharmatech GmbHGermany$0.051 kg99%
BLD Pharmatech Ltd.China$0.051 kg99%
Ambeed, Inc.United States$0.051 kg99%
ChemsceneUnited States$0.051 kg—
SynthonixUnited States$0.06500 g95%
Fluorochem UKUnited Kingdom$0.111 kg98%
Fluorochem EUGermany$0.14500 g98%
AK Scientific SpecializedUnited States$0.16500 g98%
ALFA AESARGermany$0.191 kg99%
AK Scientific, Inc.United States$0.23500 g99%
Combi-Blocks, Inc.United States$0.251 kg95%
Angene International LimitedUnited States$0.30500 g99%
Sigma-Aldrich (Rush Stock)Germany$0.33500 g98%
Sigma-AldrichGermany$0.33500 g98%
MedChemExpress MCESweden$0.38500 g99.99%
AstaTech (2 weeks)United States$3.0825 g98%
InterbioscreenHong Kong$10.0010 g95%
MolnovaChina$74.00500 mg99%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd.Ukraine$2280.0050 mg95%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg95%
AngeneChina → Hong Kong$4266.6730 mg—
AsinexNetherlands$6461.40100 mg90%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS504-63-2
PubChem CID10442
DTXSIDDTXSID8041246
FormulaC3H8O2
Mol. Weight76.09 g/mol
SMILESC(CO)CO

Data Sources

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Brief citations

1,3-Propanediol (CAS 504-63-2) https://chemicalindependence.com/chemical/504-63-2/ EPA CompTox (DSSTox): DTXSID8041246. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8041246 PubChem: 10442. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/10442 EPA Chemical Data Reporting: 504-63-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 504-63-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290539 for CAS 504-63-2. Reporting year: 2024. https://usatrade.census.gov/