Vinyl Tris(Trimethylsiloxy)Silane - ≥97% , CAS No.5356-84-3

CAS: 5356-84-3 Cat. No.: V303920 Molecular Weight: 322.7 EC Number: 226-342-2 PubChem CID: 79316
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
C11H30O3Si4 | Tris(trimethylsiloxy)(vinyl)silane | Trisiloxane, 3-ethenyl-1,1,1,5,5,5-hexamethyl-3-[(trimethylsilyl)oxy]- | Vinyl tris(trimethylsiloxy)silane | MFCD00054159 | 1,1,1,5,5,5-Hexamethyl-3-[(trimethylsilyl)oxy]-3-vinyltrisiloxane | ethenyl-tris
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1ml
V303920-1ml
3
$9.90
5ml
V303920-5ml
1
$31.90
25ml
V303920-25ml
2
$119.90
100ml
V303920-100ml
1
$389.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
C11H30O3Si4 | Tris(trimethylsiloxy)(vinyl)silane | Trisiloxane, 3-ethenyl-1, 1, 1, 5, 5, 5-hexamethyl-3-[(trimethylsilyl)oxy]- | Vinyl tris(trimethylsiloxy)silane | MFCD00054159 | 1, 1, 1, 5, 5, 5-Hexamethyl-3-[(trimethylsilyl)oxy]-3-vinyltrisiloxane | ethenyl-tris
Specifications & Purity
≥97%
Storage
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.
Purity
≥97%
Names and Identifiers
Canonical SmilesC[Si](C)(C)O[Si](C=C)(O[Si](C)(C)C)O[Si](C)(C)C
IUPAC Nameethenyl-tris(trimethylsilyloxy)silane
InChIKeyCHEFFAKKAFRMHG-UHFFFAOYSA-N
INCHI1S/C11H30O3Si4/c1-11-18(12-15(2,3)4,13-16(5,6)7)14-17(8,9)10/h11H,1H2,2-10H3
Isomeric SMILES C[Si](C)(C)O[Si](C=C)(O[Si](C)(C)C)O[Si](C)(C)C
WGK Germany 3
PubChem CID 79316
Molecular Weight 322.7

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganometallic compounds
ClassOrganometalloid compounds
SubclassOrganosilicon compounds
Intermediate Tree Nodes Organoheterosilanes
Direct ParentTrialkylheterosilanes
Alternative Parents Organic metalloid salts  Organic oxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkylheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Aliphatic acyclic compound
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





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.

10 results found

Lot NumberCertificate TypeDateItem
L2523605Certificate of AnalysisDec 13, 2025 V303920
L2523612Certificate of AnalysisDec 13, 2025 V303920
E2515666Certificate of AnalysisApr 21, 2025 V303920
E2515667Certificate of AnalysisApr 21, 2025 V303920
C23241205Certificate of AnalysisJan 06, 2025 V303920
C23241253Certificate of AnalysisJan 06, 2025 V303920
C23241603Certificate of AnalysisJan 06, 2025 V303920
C23241611Certificate of AnalysisJan 06, 2025 V303920
H2118313Certificate of AnalysisJun 05, 2023 V303920
H2118314Certificate of AnalysisJun 05, 2023 V303920
Chemical and Physical Properties
SensitivityAir Sensitive
Refractive Index1.40
Flash Point(°F)150.8 °F
Flash Point(°C)66 °C
Boil Point(°C)86.5-87.5°C 15mm Hg (Lit.)
Molecular Weight322.690 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count7
Exact Mass322.127 Da
Monoisotopic Mass322.127 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count18
Formal Charge0
Complexity245.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Yuqian Ma, Yunuo Chen, Sheng Wang, Zi-Han Chen, Yuanwei Zhang, Ling Huang, Xinxin Zhang, Fei Yin, Yunxuan Wang, Mingzhu Yang, Zhanjun Li, Kai Huang, Xin Fang, Zishuo Li, Minghong Wang, Wenhui Liu, Jia-Nan Li, Longfei Li, Hang Zhao, Min Wei, Yiming Shi, Rong Liu, Mei Zhang, Jutao Chen, Jiawei Shen, Jianjun Meng, Yupeng Yang, Fan Zhang, Xinglong Gong, Gang Han, Tian Xue.  (2025)  Near-infrared spatiotemporal color vision in humans enabled by upconversion contact lenses.  CELL,      [PMID:40409271] [10.1016/j.cell.2025.04.019]
Solution Calculators
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