Octamethyltrisiloxane
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
63148-62-9
Chemical name
Octamethyltrisiloxane
Molecular formula
C8H24O2Si3
Molecular weight
236.53 g/mol
Synonyms
Trisiloxane, octamethyl-; 1,1,1,3,3,5,5,5-Octamethyltrisiloxane; Pentamethyl(trimethylsilyloxy)disiloxane; Dimethylbis(trimethylsiloxy)silane; Pentamethyl(trimethylsiloxy)disiloxane; Dimethicone 350; Silicone oil PMX-200; Trisiloxane, 1,1,1,3,3,5,5,5-octamethyl-; CCRIS 3198; C8H24O2Si3; Dimeticone CRS; Methylsilicone oil
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H315, H319, H410
Catalog reference cue; confirm supplier documentation before use.
Vapor Pressure
Estimated value, unit not specified
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.