Methylene bis(thiocyanate)

CAS 6317-18-6

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import value, 2024$760M

Import volume35.8K lb

Import dependency100%

Top sourceChina 33%

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.

Methylene bis(thiocyanate) · US import value by year

2013: $743M · Peak 2022: $984M · 2024: $760M · 2025: $751M

Where It Comes From

Customs basis: HS 293090 · basket

EPA reports by year

2023: US production Zero · Imports 35.8K lb
2019: US production Zero · Imports 28.3K lb

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

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

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

Israel
Croatia
Ukraine
Slovakia
United Arab Emirates
Ireland
Poland
Lithuania
Brazil
Singapore
Australia
Armenia
Hong Kong
Vietnam
Czech Republic
Hungary
Greece
Russia

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.

Nalco- An Ecolab

Why It Matters

Sectors

Core Chemicals

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

Vendor Pricing

$0.45/gA2B Chem LLC

CountryUnited States

Pack$227.00 / 500 g

Purity98%

Vendors3 available

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

2 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.59	500 g	98%
AK Scientific, Inc.	United States	$5.22	100 g	99%

Chemical Identity

CAS6317-18-6

PubChem CID22772

DTXSIDDTXSID8025599

FormulaC3H2N2S2

Mol. Weight130.2 g/mol

SMILESC(SC#N)SC#N

Data Sources

EPA CompTox (DSSTox) · DTXSID8025599Retrieved 2026-04-06
PubChem · compound 22772Retrieved 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

Methylene bis(thiocyanate) (CAS 6317-18-6) https://chemicalindependence.com/chemical/6317-18-6/ EPA CompTox (DSSTox): DTXSID8025599. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8025599 PubChem: 22772. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/22772 EPA Chemical Data Reporting: 6317-18-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 6317-18-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 6317-18-6. Reporting year: 2024. https://usatrade.census.gov/