1,1,1,3,5,7,7,7-Octamethyltetrasiloxane
1,1,1,3,5,7,7,7-Octamethyltetrasiloxane (CAS: 16066-09-4, C8H26O3Si4) is a siloxane compound with a molecular weight of 282.63 g/mol. This clear liquid, characterised by its refractive index of n20/D 1.386 and density of 0.858 g/mL, finds utility in chemical synthesis. It is a valuable intermediate within the field of organosilicon chemistry, contributing to the development of advanced materials and formulations. Available from Tech Serve Solutions, it is supplied for laboratory and industrial research purposes.
- Synonyms
- 3,5,7,7,7-Octamethyltetrasiloxane
Chemical Synthesis Intermediate
1,1,1,3,5,7,7,7-Octamethyltetrasiloxane serves as a building block or intermediate in various chemical synthesis pathways. Its unique siloxane structure makes it suitable for reactions involving the introduction of silicon-containing moieties into organic molecules.
Organosilicon Chemistry Research
This compound is employed in research and development within organosilicon chemistry. It can be used to synthesise novel silicon-based polymers, fluids, or specialty materials, contributing to advancements in material science.
Laboratory Reagent
As a readily available reagent, it is utilised in academic and industrial laboratories for experimental procedures. Its defined physical properties aid in predictable reaction outcomes and process development.
| Molecular weight | 282.63 |
|---|---|
| Empirical formula | C8H26O3Si4 |
| Assay | ≥95% (GC) |
| Grade | technical |
| Boiling point | 92-94 °C/50 mmHg(lit.) |
| Density | 0.858 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.386 |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 63 °C / 145.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane used for?
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1,1,1,3,5,7,7,7-Octamethyltetrasiloxane is primarily used as an intermediate in chemical synthesis and in research within organosilicon chemistry.
What are the CAS number and molecular formula?
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The CAS number for 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane is 16066-09-4, and its molecular formula is C8H26O3Si4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane in technical grade with an assay of ≥95% (GC). This product is not represented as USP, EP, BP, or pharmacopoeia grade.
How should 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane be handled safely?
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This compound is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Avoid breathing vapours. For detailed handling procedures, consult the Safety Data Sheet.
Is this chemical a controlled substance?
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Based on the provided data, 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane is not indicated as a controlled or scheduled substance.
How is this chemical packed and shipped?
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Tech Serve Solutions professionally packs and exports fine chemicals globally. Specific packaging details depend on quantity and destination, adhering to international shipping regulations.
How can I request a sample or quote for 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane?
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To request a sample or obtain a quotation, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements and delivery details.
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