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Methyl Tris(Trimethylsiloxy)Silane - 97%, high purity , CAS No.17928-28-8

COA

Grade & Purity:

≥97%

Cas Number: 17928-28-8
Molecular Weight: 310.69
MDL number: MFCD00040007
PubChem CID: 28838

In stock

Item Number

M305217

Grouped product items
SKU	Size	Availability	Price
M305217-1g	1g	2	$21.90
M305217-5g	5g	2	$66.90
M305217-25g	25g	1	$241.90
M305217-100g	100g	2	$721.90

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Element classified compounds (2014) Silicon compound (537)

Basic Description

Synonyms	1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane
Specifications & Purity	≥97%
Storage Temp	Store at 2-8°C,Argon charged
Shipped In	Wet ice This product requires cold chain shipping. Ground and other economy services are not available.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organometallic compounds
  - Class Organometalloid compounds
    - Subclass Organosilicon compounds
      - Level5 Organoheterosilanes
        Level6 Trialkylheterosilanes

Kingdom	Organic compounds
Superclass	Organometallic compounds
Class	Organometalloid compounds
Subclass	Organosilicon compounds
Intermediate Tree Nodes	Organoheterosilanes
Direct Parent	Trialkylheterosilanes
Alternative Parents	Organic metalloid salts Organic oxygen compounds Hydrocarbon derivatives
Molecular Framework	Aliphatic acyclic compounds
Substituents	Trialkylheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Aliphatic acyclic compound
Description	This compound belongs to the class of organic compounds known as trialkylheterosilanes. These are organoheterosilanes, bearing a silicon atom linked to three alkyl groups and one heteroatom.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane
INCHI	InChI=1S/C10H30O3Si4/c1-14(2,3)11-17(10,12-15(4,5)6)13-16(7,8)9/h1-10H3
InChIKey	RGMZNZABJYWAEC-UHFFFAOYSA-N
Smiles	C[Si](C)(C)O[Si](C)(O[Si](C)(C)C)O[Si](C)(C)C
Isomeric SMILES	C[Si](C)(C)O[Si](C)(O[Si](C)(C)C)O[Si](C)(C)C
UN Number	1993
Packing Group	I
Molecular Weight	310.69
Reaxy-Rn	1776836
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1776836&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

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8 results found

Lot Number	Certificate Type	Date	Item
C2524380	Certificate of Analysis	Mar 14, 2025	M305217
C2524389	Certificate of Analysis	Mar 14, 2025	M305217
C2524398	Certificate of Analysis	Mar 14, 2025	M305217
C2524594	Certificate of Analysis	Mar 14, 2025	M305217
J2109364	Certificate of Analysis	Aug 08, 2024	M305217
J2109365	Certificate of Analysis	Aug 08, 2024	M305217
J2109366	Certificate of Analysis	Aug 08, 2024	M305217
J2109367	Certificate of Analysis	Aug 08, 2024	M305217

Chemical and Physical Properties

Sensitivity	Moisture sensitive
Refractive Index	1.39
Flash Point(°C)	88 °C
Boil Point(°C)	190 °C
Molecular Weight	310.680 g/mol
XLogP3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	6
Exact Mass	310.127 Da
Monoisotopic Mass	310.127 Da
Topological Polar Surface Area	27.700 Å²
Heavy Atom Count	17
Formal Charge	0
Complexity	209.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

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