Sodium methyl sulfate

CAS 512-42-5

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

US productionZero

Import value, 2024$208M

Import volume149.2K lb

Import dependency100%

Top sourceChina 28%

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.

Sodium methyl sulfate · US import value by year

2013: $196M · Peak 2022: $298M · 2024: $208M · 2025: $207M

Where It Comes From

Customs basis: HS 292090 · basket

EPA reports by year

2023: US production Zero · Imports 149.2K lb
2019: US production Zero · Imports 373.0K lb

These shares come from HS customs code 292090, which covers 98 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 28%ChinaKR 17%South KoreaIT 13%ItalyIN 10%IndiaDE 9%Germany

Poland
Switzerland
Ireland
Canada
Lithuania
Netherlands
Brazil
Malaysia
Hungary
Czech Republic
Saudi Arabia
Slovakia
Ukraine
Turkey

EPA-registered importers (2)

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

Toyota Tsusho · JP Japan

Toyota Tsusho America

Why It Matters

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

Vendor Pricing

$1.71/gAaron Chemicals LLC

CountryHong Kong

Pack$171.00 / 100 g

Purity98%

Vendors16 available

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

15 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$1.85	100 g	98%
A2B Chem LLC	United States	$1.95	100 g	98%
AA BLOCKS	United States	$2.37	100 g	98%
Combi-Blocks, Inc.	United States	$2.60	100 g	97%
AstaTech (2 weeks)	United States	$2.76	250 g	95%
BLD Pharmatech GmbH	Germany	$2.90	100 g	98%
BLD Pharmatech Ltd.	China	$2.90	100 g	98%
Ambeed, Inc.	United States	$2.90	100 g	98%
BLD Pharmatech Co., Limited	United States	$3.24	25 g	98%
AK Scientific Specialized	United States	$4.32	25 g	95%
Sigma-Aldrich (Rush Stock)	Germany	$4.67	100 g	—
Sigma-Aldrich	Germany	$4.67	100 g	—
AK Scientific, Inc.	United States	$5.21	100 g	98%
Angene International Limited	United States	$8.35	100 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS512-42-5

PubChem CID2735086

DTXSIDDTXSID0042406

FormulaCH3NaO4S

Mol. Weight134.09 g/mol

SMILESCOS(=O)(=O)[O-].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID0042406Retrieved 2026-04-06
PubChem · compound 2735086Retrieved 2026-04-06
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

Sodium methyl sulfate (CAS 512-42-5) https://chemicalindependence.com/chemical/512-42-5/ EPA CompTox (DSSTox): DTXSID0042406. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0042406 PubChem: 2735086. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2735086 EPA Chemical Data Reporting: 512-42-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292090 for CAS 512-42-5. Reporting year: 2024. https://usatrade.census.gov/