Ethene, 1,1'-[methylenebis(sulfonyl)]bis-

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

Molecular structure of 3278-22-6
US ProductionCBI
Import Value$760M
Top SourceChina 33%

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 293090 · basket

These shares come from HS customs code 293090, which covers 111 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
EPA-registered manufacturers (1)
Eastman Kodak

Why It Matters

Sectors
Consumer Products
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • Hardener in Photographic Film, Paper, Plate, and Chemical Manufacturing (100%)Processing—incorporation into article

Vendor Pricing

$1.44/gCombi-Blocks, Inc.
CountryUnited States
Pack$720.00 / 500 g
Purity98%
Vendors13 available

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

12 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$1.53500 g98%
AA BLOCKSUnited States$1.61500 g98%
Aaron Chemicals LLCHong Kong$2.14500 g98%
Angene ChemicalChina Hong Kong$2.28500 g98%
AK Scientific SpecializedUnited States$2.40100 g95%
Ambeed, Inc.United States$3.2025 g98%
AK Scientific, Inc.United States$3.21100 g97%
Angene International LimitedUnited States$4.04100 g95%
SynthonixUnited States$5.0010 g98%
Fluorochem EUGermany$10.891 g97%
AstaTech (2 weeks)United States$40.001 g95%
AngeneChina Hong Kong$4266.6730 mg98%

Chemical Identity

CAS3278-22-6
PubChem CID76764
DTXSIDDTXSID8062947
FormulaC5H8O4S2
Mol. Weight196.2 g/mol
SMILESC=CS(=O)(=O)CS(=O)(=O)C=C

Data Sources

DTXSID80629472026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

767642026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/76764/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/76764.json

3278-22-62026-04-24

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

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

CAS 3278-22-62026-04-25

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

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