2,2,4,4,6,6-Hexamethylcyclotrisilazane
2,2,4,4,6,6-Hexamethylcyclotrisilazane (CAS 1009-93-4) is a cyclic organosilicon compound with the molecular formula C6H21N3Si3. This colourless liquid serves as a versatile reagent and intermediate in chemical synthesis, particularly within organosilicon chemistry. Its unique structure allows for various reactions, making it valuable in research and development settings for creating novel materials and compounds.
- Synonyms
- 4,6,6-Hexamethylcyclotrisilazane1009-93-4C6H21N3Si3

Organosilicon Synthesis
Utilised as a building block or reagent in the synthesis of complex organosilicon compounds and polymers. Its reactive silazane linkages facilitate the introduction of silicon into organic frameworks.
Chemical Intermediates
Serves as an intermediate in the production of various specialised chemicals. Its structure can be modified to create a range of silicon-containing molecules for diverse applications.
Materials Science Research
Investigated for its potential use in developing advanced materials, such as ceramics or specialised coatings, owing to its silicon and nitrogen content.
| Molecular weight | 219.51 |
|---|---|
| Empirical formula | C6H21N3Si3 |
| Assay | 97% |
| Boiling point | 188 °C/756 mmHg(lit.) |
| Density | 0.92 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.445(lit.) |
| Melting point | −10 °C(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- 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, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 59 °C / 138.2 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| 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 2,2,4,4,6,6-Hexamethylcyclotrisilazane used for?
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2,2,4,4,6,6-Hexamethylcyclotrisilazane is primarily used as a reagent and intermediate in chemical synthesis, particularly in the field of organosilicon chemistry and materials science research.
What is the CAS number and chemical formula for 2,2,4,4,6,6-Hexamethylcyclotrisilazane?
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The CAS number is 1009-93-4, and its empirical formula is C6H21N3Si3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2,4,4,6,6-Hexamethylcyclotrisilazane at an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 2,2,4,4,6,6-Hexamethylcyclotrisilazane be handled safely?
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This compound is flammable and harmful if swallowed, causing skin and eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including safety glasses, gloves, and respiratory protection, in a well-ventilated area. Refer to the Safety Data Sheet for full details.
Is 2,2,4,4,6,6-Hexamethylcyclotrisilazane exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2,2,4,4,6,6-Hexamethylcyclotrisilazane.
How can I request a quote or sample?
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To request a quote or sample of 2,2,4,4,6,6-Hexamethylcyclotrisilazane, please contact our sales team through the website or by phone.
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