1,5-Naphthalene diisocyanate

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

Molecular structure of 3173-72-6
US ProductionCBI
Import Value$171M
Top SourceHungary 35%

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 292910 · basket

These shares come from HS customs code 292910, which covers 22 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
HU 35%HungaryDE 20%GermanyIT 15%ItalyCN 8%ChinaES 7%Spain
EPA-registered importers (2)
Covestro Ag · DE Germany
Covestro

Why It Matters

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

Industrial Uses

Used in 1 sector as 1 functional role.

  • Monomers in Paint and Coating Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.16/gAaron Chemicals LLC
CountryHong Kong
Pack$80.00 / 500 g
Purity98%
Vendors11 available

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

10 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.18500 g98%
A2B Chem LLCUnited States$0.20500 g98%
AA BLOCKSUnited States$0.26500 g98%
Fluorochem UKUnited Kingdom$0.5725 g98%
Combi-Blocks, Inc.United States$1.92500 g98%
AK Scientific SpecializedUnited States$2.40100 g95%
AK Scientific, Inc.United States$3.18100 g98%
AstaTech (2 weeks)United States$4.21100 g95%
Angene International LimitedUnited States$60.001 g98%
AngeneChina Hong Kong$4266.6730 mg98%

Chemical Identity

CAS3173-72-6
PubChem CID18503
DTXSIDDTXSID8040145
FormulaC12H6N2O2
Mol. Weight210.19 g/mol
SMILESC1=CC2=C(C=CC=C2N=C=O)C(=C1)N=C=O

Data Sources

DTXSID80401452026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

185032026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/18503/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/18503.json

3173-72-62026-04-24

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

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

CAS 3173-72-62026-04-25

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

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