Ziram

CAS 137-30-4

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

Molecular structure of 137-30-4 — 1 Zn²⁺

US productionZero

Import value, 2024$25M

Import volume207.1K lb

Import dependency100%

Top sourceChina 40%

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.

Ziram · US import value by year

2013: $29M · Peak 2022: $36M · 2024: $25M · 2025: $23M

Where It Comes From

Customs basis: HS 293020 · basket

EPA reports by year

2023: US production Zero · Imports 207.1K lb
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293020, which covers 37 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 40%ChinaHU 16%HungaryJP 15%JapanIN 15%IndiaIT 6%Italy

Canada
Netherlands
United Kingdom
Israel

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.

Akrochem

EPA-registered importers (5)

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

Safic-Alcan · FR France

Chemspec

Flow Polymers

Nishikawa Cooper

Sovereign Chemical

Why It Matters

Sectors

Plastics & RubberConsumer ProductsPaints & CoatingsCore 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

Industrial Uses

Used in 1 sector as 2 functional roles.

•Polymerization promoter in Rubber Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Chemical reaction regulator in Rubber Product Manufacturing (100%)Processing—incorporation into article

Vendor Pricing

$0.54/gAK Scientific Specialized

CountryUnited States

Pack$54.00 / 100 g

Purity95%

Vendors4 available

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

3 more vendors

Vendor	Country	$/g	Pack	Purity
AK Scientific, Inc.	United States	$0.76	100 g	98%
MedKoo Biosciences, Inc	United States	$0.95	1 kg	98%
Fulfilled by Molport	Latvia	$26.00	500 mg	98%

Chemical Identity

CAS137-30-4

PubChem CID8722

DTXSIDDTXSID0021464

FormulaC6H12N2S4Zn

Mol. Weight305.8 g/mol

SMILESCN(C)C(=S)[S-].CN(C)C(=S)[S-].[Zn+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID0021464Retrieved 2026-04-06
PubChem · compound 8722Retrieved 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

← Back to Dashboard ← Back to Plastics & Rubber

Brief citations

Ziram (CAS 137-30-4) https://chemicalindependence.com/chemical/137-30-4/ EPA CompTox (DSSTox): DTXSID0021464. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0021464 PubChem: 8722. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8722 EPA Chemical Data Reporting: 137-30-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 137-30-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293020 for CAS 137-30-4. Reporting year: 2024. https://usatrade.census.gov/