p-(Trifluoromethoxy)phenyl isocyanate

CAS 35037-73-1

Benzene, 1-isocyanato-4-(trifluoromethoxy)-

Used in 1 industrial sector tracked by the EPA.

US productionNot reported

Import value, 2024$171M

Top sourceHungary 35%

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

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 Not published · Imports Not published

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

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Aceto Us

Why It Matters

Sectors

Agriculture

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

•Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.40/gAaron Chemicals LLC

CountryHong Kong

Pack$200.00 / 500 g

Purity98%

Vendors15 available

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

14 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.41	500 g	98%
Angene Chemical	China → Hong Kong	$0.43	500 g	98%
AA BLOCKS	United States	$0.53	500 g	98%
Combi-Blocks, Inc.	United States	$0.56	500 g	98%
Ambeed, Inc.	United States	$0.80	25 g	98%
Fluorochem UK	United Kingdom	$1.14	25 g	98%
AK Scientific Specialized	United States	$2.10	100 g	95%
AK Scientific, Inc.	United States	$2.94	100 g	98%
Maybridge, Ltd.	United Kingdom	$3.09	25 g	97%
Apollo Scientific UK	United Kingdom	$4.20	5 g	95%
Angene International Limited	United States	$5.12	25 g	95%
ALFA AESAR	Germany	$34.22	25 g	97%
AstaTech (2 weeks)	United States	$36.00	1 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS35037-73-1

PubChem CIDNot recorded

DTXSIDDTXSID1067883

FormulaC8H4F3NO2

Mol. Weight203.12 g/mol

SMILESFC(F)(F)OC1=CC=C(C=C1)N=C=O

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

p-(Trifluoromethoxy)phenyl isocyanate (CAS 35037-73-1) https://chemicalindependence.com/chemical/35037-73-1/ EPA TSCA Inventory: CAS 35037-73-1. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 35037-73-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 35037-73-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292910 for CAS 35037-73-1. Reporting year: 2024. https://usatrade.census.gov/