1,1,3,3-Tetramethyldisiloxane-1,3-diol

Name: 1,1,3,3-Tetramethyldisiloxane-1,3-diol
Brand: Vaqora Chemicals
SKU: VQ-033858

About 1,1,3,3-Tetramethyldisiloxane-1,3-diol

1,1,3,3-Tetramethyldisiloxane-1,3-diol (CAS 1118-15-6) is an impurity of Simethicone offered by Vaqora Chemicals. Its molecular formula is C4H14O3Si2 and its molecular weight is 166.32 g/mol. The IUPAC name is hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane. It is also known as 1,3-Disiloxanediol, 1,1,3,3-tetramethyl- or Tetramethyldisiloxanediol.

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. Good laboratory practice and suitable PPE are recommended during handling.

This Simethicone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export 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 name	1,1,3,3-Tetramethyldisiloxane-1,3-diol
Catalogue No.	VQ-033858
CAS Number	1118-15-6
IUPAC name	hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane
Molecular formula	C₄H₁₄O₃Si₂
Molecular weight	166.32 g/mol
Exact mass	166.0481
Grade	Reference Standard
HSN code	38229090
InChIKey	PFEAZKFNWPIFCV-UHFFFAOYSA-N
SMILES	C[Si](C)(O)O[Si](C)(C)O
PubChem CID	70697

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 3
TPSA	49.7 Å²
Synonyms	1,3-Disiloxanediol, 1,1,3,3-tetramethyl-, Tetramethyldisiloxanediol, Tetramethyldisiloxane-1,3-diol, 1,1,3,3-Tetramethyl-1,3-disiloxanediol, 1,3-Dihydroxy-1,1,3,3-tetramethyl-1,3-disiloxane, 1,3-Disiloxanediol, tetramethyl-(6CI,7CI), 1,1,3,3-Tetramethyl-1,3-dihydroxydisiloxane, Tetramethyl-1,3-disiloxanediol, 1,3-Dihydroxytetramethyldisiloxane, 1,3-Disiloxanediol, tetramethyl-, Hydroxy-(Hydroxy-Dimethylsilyl)Oxy-Dimethylsilane

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 1,1,3,3-Tetramethyldisiloxane-1,3-diol?

The CAS Registry Number of 1,1,3,3-Tetramethyldisiloxane-1,3-diol is 1118-15-6. It is also known as 1,3-Disiloxanediol, 1,1,3,3-tetramethyl-, Tetramethyldisiloxanediol, Tetramethyldisiloxane-1,3-diol.

What is the molecular formula and molecular weight of 1,1,3,3-Tetramethyldisiloxane-1,3-diol?

1,1,3,3-Tetramethyldisiloxane-1,3-diol has the molecular formula C4H14O3Si2 and a molecular weight of 166.32 g/mol. Its IUPAC name is hydroxy-[hydroxy(dimethyl)silyl]oxy-dimethylsilane.

What is 1,1,3,3-Tetramethyldisiloxane-1,3-diol used for?

1,1,3,3-Tetramethyldisiloxane-1,3-diol 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 1,1,3,3-Tetramethyldisiloxane-1,3-diol can I order?

We supply 1,1,3,3-Tetramethyldisiloxane-1,3-diol 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 1,1,3,3-Tetramethyldisiloxane-1,3-diol?

Yes. Every lot of 1,1,3,3-Tetramethyldisiloxane-1,3-diol 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 1,1,3,3-Tetramethyldisiloxane-1,3-diol be shipped internationally?

Yes. We export 1,1,3,3-Tetramethyldisiloxane-1,3-diol worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.