1,1,1,3,5,5,5-Heptamethyltrisiloxane

Purity: ≥98.0%(GC)

Synonym(s): Methylbis(trimethylsilyloxy)silane; Bis(trimethylsiloxy)methylsilane

Formula: [(CH3)3SiO]2SiHCH3 Molecular Weight: 222.5

CAS Number: 1873-88-7 Beilstein Number: 1748455 EC Number: 217-496-1 MDL Number: MFCD00048000 PubChem CID: 6327366

Properties

Shelf life: 730 days

Solubility: Miscible with acetone, ethanol, diethyl ether. Insoluble in water.

Sensitivity: Moisture & light sensitive

Boiling point: 142 °C

Melting point:

InChl: InChI=1S/C7H21O2Si3/c1-10(8-11(2, 3)4)9-12(5, 6)7/h1-7H3

Safety Information

Pictograms: GHS07; GHS02

Signal Word: Danger

Hazard Statements: H315; H319; H335; H225; H226

Precautionary Statements: P261; P305+P351+P338; P280; P370+P378; P210; P302+P352; P321; P405; P501; P233; P240; P264; P403+P235; P303+P361+P353; P271; P241; P304+P340; P403+P233; P362+P364; P242; P243; P264+P265; P337+P317; P332+P317; P319

WGK: 3

Storage: Argon charged

Personal Protective Equipment: Eyeshields， Faceshields， full-face respirator (US)， Gloves， multi-purpose combination respirator cartridge (US)， type ABEK (EN14387) respirator filter