Basic Description

Synonyms	DTXSID1038795 \| EINECS 217-496-1 \| NCGC00256718-01 \| SIB-1844 \| FT-0626916 \| DSSTox_GSID_47501 \| Hptso//Heptamethyltrisiloxane \| Tox21_302481 \| AKOS009157382 \| SCHEMBL41518 \| DTXCID9018795 \| Trisiloxane, 1,1,1,3,5,5,5-heptamethyl- \| UNII-FZ623S5E22 \| AKOS
Specifications & Purity	≥98%(GC)
Storage Temp	Argon charged
Shipped In	Normal
Product Description	1,1,1,3,5,5,5-Heptamethyltrisiloxane can be used for the aromatic C-H silylation of arenes in the presence of a platinum complex catalyst. It can also be used as a reagent to synthesize: • 3-Octyl-1,1,1,3,5,5,5-heptamethyltrisiloxane, an agricultural adjuvant and sensory performance enhancer used in cosmetic formulations. • Isoindigo-based conjugated polymer with siloxane-terminated solubilizing group. • Monosiloxy esters with a variety of acids.

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

INCHI	InChI=1S/C7H21O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h1-7H3
InChIKey	SWGZAKPJNWCPRY-UHFFFAOYSA-N
Smiles	C[Si](O[Si](C)(C)C)O[Si](C)(C)C
Isomeric SMILES	C[Si](O[Si](C)(C)C)O[Si](C)(C)C
WGK Germany	3
PubChem CID	6327366
UN Number	1993
Packing Group	II
Molecular Weight	222.5
Beilstein	1748455
Reaxy-Rn	1748455

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

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

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot Number	Certificate Type	Date	Item
F1515017	Certificate of Analysis	Jun 12, 2025	H138408
B2510014	Certificate of Analysis	Feb 14, 2025	H138408
B2519336	Certificate of Analysis	Feb 11, 2025	H138408
B2519337	Certificate of Analysis	Feb 11, 2025	H138408
B2519344	Certificate of Analysis	Feb 11, 2025	H138408
B2519345	Certificate of Analysis	Feb 11, 2025	H138408
C2210185	Certificate of Analysis	Dec 14, 2023	H138408
C2210159	Certificate of Analysis	Dec 14, 2023	H138408
C2210186	Certificate of Analysis	Dec 14, 2023	H138408
K1925040	Certificate of Analysis	Jun 07, 2023	H138408
K1709081	Certificate of Analysis	May 10, 2023	H138408
D1930066	Certificate of Analysis	Jan 18, 2023	H138408
L2031252	Certificate of Analysis	Nov 15, 2022	H138408
L2031251	Certificate of Analysis	Nov 15, 2022	H138408

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Chemical and Physical Properties

Solubility	Miscible with acetone, ethanol, diethyl ether. Insoluble in water.
Sensitivity	Moisture & light sensitive
Refractive Index	1.38
Flash Point(°F)	71.6 °F
Flash Point(°C)	22 °C
Boil Point(°C)	142 °C
Molecular Weight	221.500 g/mol
XLogP3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	4
Exact Mass	221.085 Da
Monoisotopic Mass	221.085 Da
Topological Polar Surface Area	18.500 Å²
Heavy Atom Count	12
Formal Charge	0
Complexity	121.000
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

Citations of This Product

How to Cite Aladdin Scientific Products?

1. Muhua Chen, Peng Chen, Zhen Ji, Min Yu, Jihuai Tan, Bo Fu, Xinbao Zhu. (2023) Recyclable TPA-Modified MIL-88-Supported Ionic Pt as a Highly Efficient Catalyst for Alkene Hydrosilylation. ACS Omega, 8 (14): (13323–13331).
2. Haifeng Zhang, Cheng Cai, Tao Hu, Zhijie Zhang, Lina Dai, Huafeng Fei, Hongli Bai, Chonggang Wu, Xinghou Gong, Xuan Zheng. (2021) Magnetically separable and efficient platinum catalyst: Amino ligand enhanced loading and Fe2+ facilitated Pt0 formation. APPLIED ORGANOMETALLIC CHEMISTRY, 36 (2): (e6513).
3. Li Hu, Zhao Wenfeng, Saravanamurugan Shunmugavel, Dai Wenshuai, He Jian, Meier Sebastian, Yang Song, Riisager Anders. (2018) Control of selectivity in hydrosilane-promoted heterogeneous palladium-catalysed reduction of furfural and aromatic carboxides. Communications Chemistry, 1 (1): (1-11).

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SKU	Size	Availability	Price
H138408-25ml	25ml	4	$12.90
H138408-50ml	50ml	1	$29.90
H138408-100ml	100ml	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$49.90
H138408-500ml	500ml	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$99.90

1,1,1,3,5,5,5-Heptamethyltrisiloxane - ≥98.0%(GC), high purity , CAS No.1873-88-7