Dimethyl sulfate

U.S. production volumes are classified as confidential business information.

Molecular structure of 77-78-1
US ProductionCBI
Import Value$208M
Top SourceChina 28%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 292090 · basket

These shares come from HS customs code 292090, which covers 41 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 28%ChinaKR 17%South KoreaIT 13%ItalyIN 10%IndiaDE 9%Germany
EPA-registered importers (4)
Bayer Ag · DE Germany
3M
Bayer Us Holding
Iofina

Why It Matters

Sectors
HealthAgricultureConsumer ProductsCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 4 sectors as 1 functional role.

  • Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
  • Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant
  • Intermediate in Pharmaceutical and Medicine Manufacturing (1%)Processing as a reactant
  • Intermediate in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (70%)Processing as a reactant

Vendor Pricing

$24.00/gInterbioscreen
CountryHong Kong
Pack$240.00 / 10 g
Purity95%
Vendors3 available

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

2 more vendors
VendorCountry$/gPackPurity
Labotest KGGermany$217.805000 mg90%
Otava, Ltd.Ukraine$460.00250 mg95%

Chemical Identity

CAS77-78-1
PubChem CID6497
DTXSIDDTXSID5024055
FormulaC2H6O4S
Mol. Weight126.13 g/mol
SMILESCOS(=O)(=O)OC

Data Sources

DTXSID50240552026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

64972026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6497/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6497.json

77-78-12026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 77-78-12026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv