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Thermo Scientific Chemicals
Octamethylcyclotetrasiloxane, 98%
CAS: 556-67-2 | C8H24O4Si4 | 296.616 g/mol
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Catalog number A15240.22
also known as A15240-22
Price (USD)
98.40
Each
Quantity:
100 g
Price (USD)
98.40
Each
Chemical Identifiers
CAS556-67-2
IUPAC Nameoctamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Molecular FormulaC8H24O4Si4
InChI KeyHMMGMWAXVFQUOA-UHFFFAOYSA-N
SMILESC[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
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Specifications
Specification Sheet
Specification SheetAssay (GC)≥97.5% (UK-sourced material)
Assay from Supplier's CofA≥97.5% (US-sourced material)
CommentMaterial sourced in UK and US
Appearance (Color)Clear colorless
Identification (FTIR)Conforms
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Octamethylcyclotetrasiloxane is used to prepare silicone oil, silicone rubber and silicone resin having different degrees of polymerization through ring opening and polymerizing. It is also widely used in various fields viz. construction, electronics, textile, automobile, personal care, food, and machining. It is an organometallic reagent utilized for the preparation of siloxane polymers having high surface-hydrophobicity restoration.
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
Octamethylcyclotetrasiloxane is used to prepare silicone oil, silicone rubber and silicone resin having different degrees of polymerization through ring opening and polymerizing. It is also widely used in various fields viz. construction, electronics, textile, automobile, personal care, food, and machining. It is an organometallic reagent utilized for the preparation of siloxane polymers having high surface-hydrophobicity restoration.
Solubility
Immiscible with water.
Notes
Incompatible with strong oxidizing agents, acids and bases.
Octamethylcyclotetrasiloxane is used to prepare silicone oil, silicone rubber and silicone resin having different degrees of polymerization through ring opening and polymerizing. It is also widely used in various fields viz. construction, electronics, textile, automobile, personal care, food, and machining. It is an organometallic reagent utilized for the preparation of siloxane polymers having high surface-hydrophobicity restoration.
Solubility
Immiscible with water.
Notes
Incompatible with strong oxidizing agents, acids and bases.
RUO – Research Use Only
General References:
- Useful for deactivating glass GC capillary columns.
- Sigot, L.; Ducom, G.; Germain, P. Adsorption of octamethylcyclotetrasiloxane (D4) on silica gel (SG): Retention mechanism. Microporous Mesoporous Mater. 2015, 213, 118-124.
- Tugui, C.; Cazacu, M.; Sacarescu, L.; Bele, A.; Stiubianu, G.; Ursu, C.; Racles, C. Full silicone interpenetrating bi-networks with different organic groups attached to the silicon atoms. Polymer 2015, 77, 312-322.