Dichlorodiphenylsilane

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

Molecular structure of 80-10-4
US ProductionCBI
Import Value$537M
Top SourceChina 39%

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 293190 · basket

These shares come from HS customs code 293190, which covers 164 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 39%ChinaDE 17%GermanyIT 9%ItalyIN 7%IndiaJP 7%Japan
EPA-registered importers (1)
Momentive Performance Materials

Why It Matters

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

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • •Intermediate in All Other Basic Organic Chemical Manufacturing (50%)Processing as a reactant
  • •Adhesives and sealant chemicals in Transportation Equipment Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.11/gManchester Organics
CountryUnited Kingdom
Pack$28.20 / 250 g
Purity98%
Vendors9 available

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

8 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$0.21500 g97%
AA BLOCKSUnited States$0.27500 g97%
Fluorochem UKUnited Kingdom$0.43100 g98%
AK Scientific SpecializedUnited States$0.43100 g95%
AK Scientific, Inc.United States$0.57100 g98%
Sigma-Aldrich (Rush Stock)Germany$1.34100 g97%
Sigma-AldrichGermany$1.34100 g97%
Labotest KGGermany$217.805000 mg90%

Chemical Identity

CAS80-10-4
PubChem CID6627
DTXSIDDTXSID2026494
FormulaC12H10Cl2Si
Mol. Weight253.19 g/mol
SMILESC1=CC=C(C=C1)[Si](C2=CC=CC=C2)(Cl)Cl

Data Sources

DTXSID20264942026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

66272026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6627/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6627.json

80-10-42026-04-24

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

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

CAS 80-10-42026-04-25

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

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

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