Diphenylsulfone

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

Molecular structure of 127-63-9
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 importers (3)
Proviron
Ricoh Electronics
Solvay

Why It Matters

Sectors
Plastics & RubberConsumer ProductsPaper & Printing
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • Dyes in Paper Manufacturing (100%)Processing—incorporation into article
  • Solvents (which become part of product formulation or mixture) in Plastics Material and Resin Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.02/gAaron Chemicals LLC
CountryHong Kong
Pack$10.00 / 500 g
Purity98%
Vendors26 available

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

25 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.03500 g99%
BLD Pharmatech GmbHGermany$0.031 kg98%
BLD Pharmatech Ltd.China$0.031 kg98%
A2B Chem LLCUnited States$0.04500 g97%
AA BLOCKSUnited States$0.04500 g97%
ChemsceneUnited States$0.051 kg
Fluorochem EUGermany$0.061 kg97%
AK Scientific SpecializedUnited States$0.08500 g98%
BLD Pharmatech Co., LimitedUnited States$0.111 kg98%
Ambeed, Inc.United States$0.111 kg98%
AK Scientific, Inc.United States$0.11500 g99%
ALFA AESARGermany$0.121 kg99%
MedChemExpress MCESweden$0.19500 g99.97%
Angene International LimitedUnited States$0.24500 g99%
Combi-Blocks, Inc.United States$0.251 kg98%
AstaTech, IncUnited States$0.69100 g95%
Labotest KGGermany$217.805000 mg90%
Sigma-Aldrich (Rush Stock)Germany$353.80100 mg
Sigma-AldrichGermany$353.80100 mg
SpecsNetherlands$794.005 g90%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
Vitas M Chemical LimitedHong Kong$3170.00100 mg90%
AngeneChina Hong Kong$4266.6730 mg98%
ChemDiv, Inc.United States$4400.0090 mg90%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS127-63-9
PubChem CID31386
DTXSIDDTXSID6041892
FormulaC12H10O2S
Mol. Weight218.27 g/mol
SMILESC1=CC=C(C=C1)S(=O)(=O)C2=CC=CC=C2

Data Sources

DTXSID60418922026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

313862026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/31386/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/31386.json

127-63-92026-04-24

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

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

CAS 127-63-92026-04-25

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

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