Ethyl thiocyanate

CAS 542-90-5

Thiocyanic acid, ethyl ester

Molecular structure of 542-90-5
US productionNot reported
Import value, 2024$760M
Top sourceChina 33%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293090 · basket

These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$13.56/gAK Scientific, Inc.
CountryUnited States
Pack$339.00 / 25 g
Purity98%
Vendors4 available

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

Chemical Identity

CAS542-90-5
PubChem CIDNot recorded
DTXSIDDTXSID7060259
FormulaC3H5NS
Mol. Weight87.14 g/mol
SMILESCCSC#N

Data Sources

Brief citations

Ethyl thiocyanate (CAS 542-90-5) https://chemicalindependence.com/chemical/542-90-5/ EPA TSCA Inventory: CAS 542-90-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293090 for CAS 542-90-5. Reporting year: 2024. https://usatrade.census.gov/