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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

1,1-Dimethylsilanediol

Synonyms: Silanediol, dimethyl- · Silanediol, 1,1-dimethyl- · Polydimethylsiloxane, hydroxy terminated, M.W. 4200 · Hydroxy-terminated poly(dimethylsiloxane)

CAS No.1066-42-8
FormulaC2H8O2Si
Mol. weight92.17
Catalogue No.VQ-033857
PurityReference Standard
HSN38229090

1,1-Dimethylsilanediol (CAS 1066-42-8) – Simethicone impurity standard. C2H8O2Si, MW 92.17. Supplied by Vaqora Chemicals with COA, exported worldwide.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 1,1-Dimethylsilanediol

Vaqora Chemicals supplies 1,1-Dimethylsilanediol, an impurity of Simethicone registered under CAS number 1066-42-8. Formula C2H8O2Si, molecular weight 92.17 g/mol. The IUPAC name is dihydroxy(dimethyl)silane. It is also known as Silanediol, dimethyl- or Silanediol, 1,1-dimethyl-.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Simethicone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 1,1-Dimethylsilanediol in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Simethicone

View every impurity, metabolite and intermediate we list for Simethicone.

Simethicone impurities

Specifications & identifiers

Chemical identifiers
Product name1,1-Dimethylsilanediol
Catalogue No.VQ-033857
CAS Number1066-42-8
IUPAC namedihydroxy(dimethyl)silane
Molecular formulaC2H8O2Si
Molecular weight92.17 g/mol
Exact mass92.0294
GradeReference Standard
HSN code38229090
InChIKeyXCLIHDJZGPCUBT-UHFFFAOYSA-N
SMILESC[Si](C)(O)O
PubChem CID14014
Physical properties
Physical formSolid
H-bond donors / acceptors2 / 2
TPSA40.5 Ų
SynonymsSilanediol, dimethyl-, Silanediol, 1,1-dimethyl-, Polydimethylsiloxane, hydroxy terminated, M.W. 4200, Hydroxy-terminated poly(dimethylsiloxane), Dimethiconol, Dihydroxydimethylsilane, Dimethylsilanediol #, Si(OH)2Me2, (CH3)2Si(OH)2, Masil SFR 150,000 CG

Safety & hazard information (GHS)

GHS08 Health hazard
Health hazard

Signal word: Warning

Hazard statements

  • H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of 1,1-Dimethylsilanediol?

The CAS Registry Number of 1,1-Dimethylsilanediol is 1066-42-8. It is also known as Silanediol, dimethyl-, Silanediol, 1,1-dimethyl-, Polydimethylsiloxane, hydroxy terminated, M.W. 4200.

What is the molecular formula and molecular weight of 1,1-Dimethylsilanediol?

1,1-Dimethylsilanediol has the molecular formula C2H8O2Si and a molecular weight of 92.17 g/mol. Its IUPAC name is dihydroxy(dimethyl)silane.

What is 1,1-Dimethylsilanediol used for?

1,1-Dimethylsilanediol is supplied as a characterised reference material related to Simethicone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 1,1-Dimethylsilanediol can I order?

We supply 1,1-Dimethylsilanediol in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,1-Dimethylsilanediol?

Yes. Every lot of 1,1-Dimethylsilanediol is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1,1-Dimethylsilanediol be shipped internationally?

Yes. 1,1-Dimethylsilanediol is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about 1,1-Dimethylsilanediol

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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