1,10-Phenanthroline

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

Molecular structure of 66-71-7
US ProductionCBI
Import Value$1.4B
Import VolumeZero
Top SourceIreland 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 293399 · basket

These shares come from HS customs code 293399, which covers 48 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy
EPA-registered manufacturers (1)
R. T. Vanderbilt Holding

Why It Matters

Sectors
Paints & CoatingsCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • Paint additives and coating additives not described by other categories in Paint and Coating Manufacturing (60%)Processing—incorporation into formulation, mixture, or reaction product
  • Paint additives and coating additives not described by other categories in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.17/gAaron Chemicals LLC
CountryHong Kong
Pack$172.00 / 1 kg
Purity98%
Vendors36 available

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

35 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.19500 g98%
AA BLOCKSUnited States$0.20500 g98%
A2B Chem LLCUnited States$0.20500 g98%
Ambeed, Inc.United States$0.28500 g98%
AK Scientific SpecializedUnited States$0.28500 g98%
AstaTech, IncUnited States$0.29100 g98%
Combi-Blocks, Inc.United States$0.30500 g98%
Fluorochem UKUnited Kingdom$0.40500 g97%
Fluorochem EUGermany$0.41500 g97%
AK Scientific, Inc.United States$0.48500 g99%
Manchester OrganicsUnited Kingdom$0.5650 g98%
Apollo Scientific USUnited Kingdom$0.66100 g98%
Biopharma PEG Scientific Inc.United States$0.85500 g98%
Angene International LimitedUnited States$1.0825 g98%
Sigma-Aldrich (Rush Stock)Germany$2.94100 g99%
Sigma-AldrichGermany$2.94100 g99%
ALFA AESARGermany$3.83100 g99%
Apexbio Technology LLCUnited States$19.6010 g99.03%
MedChemExpress MCESweden$23.1110 g99.99%
ChemDiv, Inc.United States$25.0025 g90%
InterbioscreenHong Kong$51.0010 g95%
TargetMol ChemicalsChina United States$86.001 g98.85%
SpecsNetherlands$181.265 g90%
MolnovaChina$410.00100 mg99%
TargetMol Chemicals EUAustria$440.00100 mg98.85%
Labotest KGGermany$453.001000 mg90%
Otava, Ltd.Ukraine$2280.0050 mg95%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg95%
Key Organics Ltd.United Kingdom$2740.0050 mg98%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Fulfilled by MolportLatvia$3000.001 mg95%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina Hong Kong$4266.6730 mg98%
AsinexNetherlands$6461.40100 mg90%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS66-71-7
PubChem CID1318
DTXSIDDTXSID1025857
FormulaC12H8N2
Mol. Weight180.2 g/mol
SMILESC1=CC2=C(C3=C(C=CC=N3)C=C2)N=C1

Data Sources

DTXSID10258572026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

13182026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/1318/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/1318.json

66-71-72026-04-24

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

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

CAS 66-71-72026-04-25

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

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