Sodium methyl sulfate

CAS 512-42-5

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

Molecular structure of 512-42-5
1 Na⁺
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
$196M2013$298M2022$208M2024$207M2025

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
CN 28%ChinaKR 17%South KoreaIT 13%ItalyIN 10%IndiaDE 9%Germany
EPA-registered importers (2)
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.

Chemical Identity

CAS512-42-5
PubChem CID2735086
DTXSIDDTXSID0042406
FormulaCH3NaO4S
Mol. Weight134.09 g/mol
SMILESCOS(=O)(=O)[O-].[Na+]

Data Sources

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/