1,1,1,3,5,5,5-Heptamethyltrisiloxane
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
1873-88-7
Chemical name
1,1,1,3,5,5,5-Heptamethyltrisiloxane
Molecular formula
C7H21O2Si3
Molecular weight
221.5 g/mol
Synonyms
Bis(trimethylsiloxy)methylsilane; Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-; Methylbis(trimethylsilyloxy)silane; Methylbis(trimethylsiloxy)silane; heptamethyl trisiloxane; EC 217-496-1; HEPTAMETHYL TRISILOXANE [USP-RS]; HEPTAMETHYL TRISILOXANE (USP-RS); methyl-bis(trimethylsilyloxy)silicon; HPTSO Heptamethyltrisiloxane; DSSTox_CID_18795; DSSTox_RID_82383
InChIKey
SWGZAKPJNWCPRY-UHFFFAOYSA-N
PubChem CID
6327366
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H225, H315, H319, H335
Catalog reference cue; confirm supplier documentation before use.
Appearance
Liquid
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.