1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

Name: 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol
Brand: Vaqora Chemicals
SKU: VQ-042179

About 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

Vaqora Chemicals supplies 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol, an impurity of Simethicone registered under CAS number 3663-50-1. Its molecular formula is C6H20O4Si3 and its molecular weight is 240.48 g/mol. Systematically, it is named bis[[hydroxy(dimethyl)silyl]oxy]-dimethylsilane. It is also known as Hexamethyltrisiloxane-1,5-diol or 1,5-Trisiloxanediol, 1,1,3,3,5,5-hexamethyl-.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol is dispatched with a Certificate of Analysis (COA) to destinations 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	1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol
Catalogue No.	VQ-042179
CAS Number	3663-50-1
IUPAC name	bis[[hydroxy(dimethyl)silyl]oxy]-dimethylsilane
Molecular formula	C₆H₂₀O₄Si₃
Molecular weight	240.48 g/mol
Exact mass	240.0669
Grade	Reference Standard
HSN code	38229090
InChIKey	XYBQTTAROZGWOZ-UHFFFAOYSA-N
SMILES	C[Si](C)(O)O[Si](C)(C)O[Si](C)(C)O
PubChem CID	77234

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 4
TPSA	58.9 Å²
Synonyms	Hexamethyltrisiloxane-1,5-diol, 1,5-Trisiloxanediol, 1,1,3,3,5,5-hexamethyl-, 1,5-Dihydroxyhexamethyltrisiloxane, DMS-S12, DMS-S14, DMS-S15, DMS-S21, DMS-S27, DMS-S31, DMS-S35, DMS-S42

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 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol?

The CAS Registry Number of 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol is 3663-50-1. It is also known as Hexamethyltrisiloxane-1,5-diol, 1,5-Trisiloxanediol, 1,1,3,3,5,5-hexamethyl-, 1,5-Dihydroxyhexamethyltrisiloxane.

What is the molecular formula and molecular weight of 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol?

1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol has the molecular formula C6H20O4Si3 and a molecular weight of 240.48 g/mol. Its IUPAC name is bis[[hydroxy(dimethyl)silyl]oxy]-dimethylsilane.

What is 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol used for?

1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-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 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol can I order?

We supply 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-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 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol?

Yes. Every lot of 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-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 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol be shipped internationally?

Yes. We export 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.