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- 1 kg
- Purity
- 98%
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CAS Number: 556-67-2
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CAS Number
556-67-2
PubChem CID
11169
Molecular Formula
C8H24O4Si4
Molecular Weight
296.61 g/mol
Exact Mass
296.075165
InChIKey
HMMGMWAXVFQUOA-UHFFFAOYSA-N
IUPAC Name
2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
SMILES String
C[Si]1(O[Si](O[Si](O[Si](O1)(C)C)(C)C)(C)C)C
Melting Point
17.5 °C
Refractive Index
1.3968
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Octamethylcyclotetrasiloxane (CAS 556-67-2) is listed in the Materials Science portfolio, with molecular formula C8H24O4Si4 and molecular weight 296. 61 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for materials chemistry research and formulation screening workflows.
Documentation needs
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Preliminary Safety Reference
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Safety Reference / SDS RequestCatalog navigation
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Octamethylcyclotetrasiloxane is identified by CAS 556-67-2, with molecular formula C8H24O4Si4, molecular weight 296.61, InChIKey HMMGMWAXVFQUOA-UHFFFAOYSA-N.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
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