1-Trimethylsilyl-1-pentyne - ≥98% , CAS No.18270-17-2

CAS: 18270-17-2 Cat. No.: T113986 Molecular Weight: 140.3 Beilstein Registry Number: 1744218 EC Number: 605-977-2 PubChem CID: 2760860
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
MFCD00077890 | 1-(Trimethylsilyl)-1-pentyne | 1-Pentyn-1-yltrimethylsilane | AKOS006220728 | Silane, trimethyl-1-pentyn-1-yl- | trimethyl(1-pentyn-1-yl)silane | 1-Trimethylsilyl-1-pentyne | FT-0652570 | Trimethyl(pent-1-yn-1-yl)silane | FS-5353 | SY050733
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
T113986-1g
5
$67.90
5g
T113986-5g
1
$229.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
MFCD00077890 | 1-(Trimethylsilyl)-1-pentyne | 1-Pentyn-1-yltrimethylsilane | AKOS006220728 | Silane, trimethyl-1-pentyn-1-yl- | trimethyl(1-pentyn-1-yl)silane | 1-Trimethylsilyl-1-pentyne | FT-0652570 | Trimethyl(pent-1-yn-1-yl)silane | FS-5353 | SY050733
Specifications & Purity
≥98%
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
≥98%
Names and Identifiers
Pubchem Sid504761586
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504761586
Canonical SmilesCCCC#C[Si](C)(C)C
IUPAC Nametrimethyl(pent-1-ynyl)silane
InChIKeyCABCDUQQPBAHEE-UHFFFAOYSA-N
INCHI1S/C8H16Si/c1-5-6-7-8-9(2,3)4/h5-6H2,1-4H3
Isomeric SMILES CCCC#C[Si](C)(C)C
WGK Germany 3
PubChem CID 2760860
UN Number 1993
Molecular Weight 140.3
Beilstein 1744218
Reaxy-Rn 1744218

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 Alkylsilanes
Direct ParentTrialkylsilanes
Alternative Parents Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkylsilane - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkylsilanes. These are organosilicon compounds containing exactly one alkyl chain attached to the silicon atom.
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.

7 results found

Lot NumberCertificate TypeDateItem
H2204115Certificate of AnalysisFeb 04, 2026 T113986
F2302623Certificate of AnalysisMar 03, 2025 T113986
F2303645Certificate of AnalysisMar 03, 2025 T113986
F2303676Certificate of AnalysisMar 03, 2025 T113986
F2303743Certificate of AnalysisMar 03, 2025 T113986
E1528131Certificate of AnalysisJan 06, 2023 T113986
H2204114Certificate of AnalysisJun 24, 2022 T113986
Chemical and Physical Properties
SensitivityHeat & Air sensitive,Hygroscopic
Refractive Index1.425-1.427
Flash Point(°F)86 °F
Flash Point(°C)30 °C
Boil Point(°C)135°C
Molecular Weight140.300 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count2
Exact Mass140.102 Da
Monoisotopic Mass140.102 Da
Topological Polar Surface Area0.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity128.000
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
Solution Calculators
Reviews

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