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1,3-Di-o-tolylguanidine

CAS 97-39-2

EPA’s 2023 records show zero U.S. production of this chemical.

Molecular structure of 97-39-2
US productionZero
Import value, 2024$240M
Import volumeCBI
Top sourceChina 37%

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. 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 292529 · basket

EPA reports by year
2023
US production Zero · Imports Confidential
2019
US production Zero · Imports 134.5K lb

These shares come from HS customs code 292529, which covers 64 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 37%ChinaDE 19%GermanyES 9%SpainIT 8%ItalyID 8%Indonesia
Domestic parents -- activity not disclosed (1)
Harwick Standard Distribution
EPA-registered importers (6)
Ravago S A · LU Luxembourg
Safic-Alcan · FR France
Akrochem
Chemspec
Ravago Holdings America
Show all 6
Sovereign Chemical

Why It Matters

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

Industrial Uses

  • •Polymerization promoter in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.19/gBLD Pharmatech Ltd.
CountryChina
Pack$93.00 / 500 g
Purity98%
Vendors21 available

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

20 more vendors
VendorCountry$/gPackPurity
Aaron Chemicals LLCHong Kong$0.19500 g99%
A2B Chem LLCUnited States$0.19500 g98%
Angene ChemicalChina → Hong Kong$0.21500 g99%
AA BLOCKSUnited States$0.21500 g98%
Combi-Blocks, Inc.United States$0.251 kg98%
BLD Pharmatech GmbHGermany$0.32100 g98%
Angene International LimitedUnited States$0.36500 g98%
BLD Pharmatech Co., LimitedUnited States$0.37100 g98%
Ambeed, Inc.United States$0.37100 g98%
ALFA AESARGermany$0.48500 g99%
Cayman EuropeEstonia$0.56500 g95%
Sigma-Aldrich (Rush Stock)Germany$0.82100 g99%
Sigma-AldrichGermany$0.82100 g99%
AstaTech (2 weeks)United States$1.6425 g95%
MedChemExpress MCESweden$8.235 g99.66%
CliniSciences GmbHSwitzerland$42.571 g98%
MolnovaChina$43.001 g99%
Labotest KGGermany$217.805000 mg90%
AngeneChina → Hong Kong$4266.6730 mg99%
TimTec, LLCUnited States$9333.3330 mg90%

Chemical Identity

CAS97-39-2
PubChem CID7333
DTXSIDDTXSID2026606
FormulaC15H17N3
Mol. Weight239.32 g/mol
SMILESCC1=CC=CC=C1NC(=NC2=CC=CC=C2C)N

Data Sources

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Brief citations

1,3-Di-o-tolylguanidine (CAS 97-39-2) https://chemicalindependence.com/chemical/97-39-2/ EPA CompTox (DSSTox): DTXSID2026606. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2026606 PubChem: 7333. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7333 EPA Chemical Data Reporting: 97-39-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 97-39-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292529 for CAS 97-39-2. Reporting year: 2024. https://usatrade.census.gov/