Phenyl isocyanate

CAS 103-71-9

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

US productionZero

Import value, 2024$171M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceHungary 35%

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 292910 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Zero · Imports 174.6K lb

These shares come from HS customs code 292910, which covers 57 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

HU 35%HungaryDE 20%GermanyIT 15%ItalyCN 8%ChinaES 7%Spain

Mexico
India
Switzerland
Panama
United Kingdom
Egypt
Ukraine
Poland
Finland
Malaysia
Slovakia
Austria

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Lanxess

Why It Matters

Sectors

Construction

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Adhesion/cohesion promoter in Adhesive Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.34/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$170.62 / 500 g

Purity98%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.34	500 g	98%
MedKoo Biosciences, Inc	United States	$2.52	250 g	98%
Interbioscreen	Hong Kong	$34.00	10 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	95%

Chemical Identity

CAS103-71-9

PubChem CID7672

DTXSIDDTXSID5051521

FormulaC7H5NO

Mol. Weight119.12 g/mol

SMILESC1=CC=C(C=C1)N=C=O

Data Sources

EPA CompTox (DSSTox) · DTXSID5051521Retrieved 2026-04-06
PubChem · compound 7672Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Phenyl isocyanate (CAS 103-71-9) https://chemicalindependence.com/chemical/103-71-9/ EPA CompTox (DSSTox): DTXSID5051521. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5051521 PubChem: 7672. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7672 EPA Chemical Data Reporting: 103-71-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 103-71-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292910 for CAS 103-71-9. Reporting year: 2024. https://usatrade.census.gov/