1,4-Butane sultone

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

Molecular structure of 1633-83-6
US ProductionCBI
Import Value$6.4B
Top SourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 57 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
EPA-registered importers (1)
3M

Why It Matters

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

Industrial Uses

Used in 1 sector as 1 functional role.

  • Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.05/gA2B Chem LLC
CountryUnited States
Pack$52.00 / 1 kg
Purity98%
Vendors23 available

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

22 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.061 kg98%
Aaron Chemicals LLCHong Kong$0.07500 g97%
ChemsceneUnited States$0.071 kg
BLD Pharmatech GmbHGermany$0.071 kg98%
BLD Pharmatech Ltd.China$0.071 kg98%
Ambeed, Inc.United States$0.071 kg98%
Angene ChemicalChina Hong Kong$0.08500 g97%
Fluorochem EUGermany$0.091 kg97%
Fluorochem UKUnited Kingdom$0.13500 g97%
AK Scientific SpecializedUnited States$0.251 kg98%
Combi-Blocks, Inc.United States$0.251 kg98%
BLD Pharmatech Co., LimitedUnited States$0.29100 g98%
AstaTech, IncUnited States$0.30500 g95%
AK Scientific, Inc.United States$0.341 kg99%
Angene International LimitedUnited States$0.53500 g97%
ALFA AESARGermany$1.51100 g99%
SynthonixUnited States$1.5225 g95%
Sigma-Aldrich (Rush Stock)Germany$1.81100 g99%
Sigma-AldrichGermany$1.81100 g99%
Accela ChemBioUnited States$2.005 g97%
Labotest KGGermany$217.805000 mg90%
AngeneChina Hong Kong$4266.6730 mg97%

Chemical Identity

CAS1633-83-6
PubChem CID15411
DTXSIDDTXSID4061836
FormulaC4H8O3S
Mol. Weight136.17 g/mol
SMILESC1CCS(=O)(=O)OC1

Data Sources

DTXSID40618362026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

154112026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/15411/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/15411.json

1633-83-62026-04-24

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

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

CAS 1633-83-62026-04-25

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

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