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

Catalog Number	ACM1873887-4
CAS Number	1873-88-7
Structure
Description	Liquid
Synonyms	Methylbis(trimethylsilyloxy)silane, 1,1,1,3,5,5,5-Heptamethylsiloxane, 1,3,3,3-Tetramethyl-1-[(Trimethylsilyl)Oxy]Disiloxanyl, 2,2,4,6,6-Pentamethyl-3,5-dioxa-2,4,6-trisilaheptane, 2-Hydro-1,1,1,2,3,3,3-heptamethyltrisiloxane, Bis(trimethylsilyloxy)methylsilane, Heptamethylhydrotrisiloxane, Heptamethyltrisiloxane, Methylbis(trimethylsiloxy)silane
Molecular Weight	222.50 g/mol
Molecular Formula	C7H22O2Si3
Canonical SMILES	C[SiH](O[Si](C)(C)C)O[Si](C)(C)C
InChI	InChI=1S/C7H21O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h1-7H3
InChI Key	SWGZAKPJNWCPRY-UHFFFAOYSA-N
Boiling Point	142 °C
Melting Point	<0 °C
Flash Point	22 °C
Purity	>98.0%(GC)
Density	0.819 g/mL
Appearance	Colorless to almost colorless clear liquid
Application	Heptamethyltrisiloxane is a versatile colourless liquid that serves as a catalyst for reduction reactions in organic syntheses. This essential compound is a fundamental material for producing synthetic polyalkyleneoxide modified heptamethyltrisiloxane, a specific structure surfactant widely used in pesticide additives and coating additives. Furthermore, heptamethyltrisiloxane is a key raw material and intermediate for organic synthesis, pharmaceuticals, and dyestuffs. Its applications extend to aromatic C-H silylation of arenes, as well as the synthesis of various compounds such as 3-Octyl-1,1,1,3,5,5,5-heptamethyltrisiloxane for agricultural adjuvants and sensory performance enhancers in cosmetics. Moreover, this compound can be utilized in the production of Isoindigo-based conjugated polymers and Monosiloxy esters with diverse acids.
Storage	Room Temperature (Recommended in a cool and dark place, <15 °C)
Chemical Formula	C7H22O2Si3
Complexity	121
Exact Mass	221.084935g/mol
Formal Charge	0
Hazardous Materials Information	This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
Heavy Atom Count	12
HS Code	2931900090
MDL Number	MFCD00048000
Monoisotopic Mass	221.084935g/mol
Reaxys Registry Number	1748455
Refractive Index	1.382
Rotatable Bond Count	4
Specific Gravity	0.82

※  Please kindly noted that this product is for research use only.

1,3-Bis[(Acryloxymethyl)Phenethyl]Tetramethyldisiloxane (140220-31-1)

1,3-Bis(Chloromethyl)-1,1,3,3-Tetrakis(Trimethylsiloxy)Disiloxane (17909-34-1)

1,3-Divinyltetraethoxydisiloxane (3682-26-6)

1,5-Dichlorohexamethyltrisiloxane (3582-71-6)

1,3-Diallyltetrakis(Trimethylsiloxy)Disiloxane (211931-07-6)

Heptamethylcyclotetrasiloxane (15721-05-8)