Hexamethylcyclotrisiloxane, 97%

Description

CAS: 541-05-9 | C6H18O3Si3 | 222.46 g/mol

Hexamethylcyclotrisiloxane is used in the preparation of graft polymers and block polymers. It is also a useful biochemical for proteomics research and also acts as an intermediate in organic reactions.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Hexamethylcyclotrisiloxane is used in the preparation of graft polymers and block polymers. It is also a useful biochemical for proteomics research and also acts as an intermediate in organic reactions.

Solubility
Slightly soluble in water.

Notes
Moisture sensitive. Incompatible in strong oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 541-05-9
• Molecular Formula: C6H18O3Si3
• Molecular Weight (g/mol): 222.46
• MDL Number: MFCD00005943
• InChI Key: HTDJPCNNEPUOOQ-UHFFFAOYSA-N
• Synonym: hexamethylcyclotrisiloxane, cyclotrisiloxane, hexamethyl, dimethylsiloxane cyclic trimer, unii-epv75l8o0r, ccris 1326, sdk 10, hexamethylcyclohexasiloxane, epv75l8o0r, cyclotrisiloxane, 2,2,4,4,6,6-hexamethyl, dsstox_cid_7185
• PubChem CID: 10914
• IUPAC Name: 2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-trioxatrisilinane
• SMILES: C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1

• Boiling Point: 134°C
• Melting Point: 64°C to 66°C
• Quantity: 25 g
• UN Number: UN1325
• Beilstein: 1766829
• Flash Point: 35°C (95°F)
• Solubility Information: Slightly soluble in water.
• Formula Weight: 222.47
• Percent Purity: 97%
• Sensitivity: Moisture sensitive
• Chemical Name or Material: Hexamethylcyclotrisiloxane

Safety and Handling

Hazard Category	H228
Hazard Statement	GHS H Statement H228-H315-H319-H335 Flammable solid. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P210-P240-P241-P280-P370+P378q
DOTInformation	Hazard Class: 4.1; Packaging Group: III
EINECSNumber	208-765-4
RTECSNumber	GZ4705000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only