1,1-Dimethylsilanediol

Name: 1,1-Dimethylsilanediol
Brand: Zemixal
SKU: ZX-032487

Reference StandardAvailable on request

Order 1,1-Dimethylsilanediol (CAS 1066-42-8) online at Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes

1,1-Dimethylsilanediol chemical structure

CAS number1066-42-8

FormulaC₂H₈O₂Si

Molar mass92.17 g/mol

Physical formSolid

HS code38229090

InChIKeyXCLIHDJZGPCUBT-UHFFFAOYSA-N

IUPAC namedihydroxy(dimethyl)silane

About 1,1-Dimethylsilanediol

Analytical teams working on Simethicone use 1,1-Dimethylsilanediol as a qualified comparison standard. Key data (Reference Standard): CAS 1066-42-8, formula C2H8O2Si and molar mass 92.17 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Hazard communication follows GHS (Warning: H361). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Simethicone

See every impurity, metabolite and related compound we list for this API.

Simethicone standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 1,1-Dimethylsilanediol
Product name	1,1-Dimethylsilanediol
Catalogue number	ZX-032487
CAS number	1066-42-8
IUPAC name	dihydroxy(dimethyl)silane
Molecular formula	C₂H₈O₂Si
Molar mass	92.17 g/mol
Exact mass	92.0294
Grade	Reference Standard
Physical form	Solid
H-bond donors / acceptors	2 / 2
Topological polar surface area	40.5 Å²
HS code	38229090
InChIKey	XCLIHDJZGPCUBT-UHFFFAOYSA-N
SMILES	C[Si](C)(O)O
PubChem CID	14014
Synonyms	Silanediol, 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Health hazard

Signal word Warning

H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P280, P318, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 1,1-Dimethylsilanediol
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 1,1-Dimethylsilanediol

Which CAS number identifies 1,1-Dimethylsilanediol?

1,1-Dimethylsilanediol is registered under CAS 1066-42-8. You may also see it listed as Silanediol, dimethyl-, Silanediol, 1,1-dimethyl-, Polydimethylsiloxane, hydroxy terminated, M.W. 4200. Our catalogue number for this item is ZX-032487.

What are the formula and molar mass of 1,1-Dimethylsilanediol?

For 1,1-Dimethylsilanediol, its formula is C2H8O2Si and its molar mass is 92.17 g/mol. The systematic (IUPAC) name is dihydroxy(dimethyl)silane. InChIKey XCLIHDJZGPCUBT-UHFFFAOYSA-N lets you match it in any structure database.

How is 1,1-Dimethylsilanediol used in pharmaceutical QC?

1,1-Dimethylsilanediol is a characterised reference material linked to Simethicone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for 1,1-Dimethylsilanediol?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with 1,1-Dimethylsilanediol?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship 1,1-Dimethylsilanediol to my country?

Yes. Because 1,1-Dimethylsilanediol is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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