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· · COA & SDS available for every product · Same-day shipping on in-stock items 2-Ethynylthiophene - ≥97% , CAS No.4298-52-6
Synonyms
PS-9283 | 2-Ethynylthiophene | 2-ethynyl-thiophene | 2-thiophenylacetylene | FT-0645320 | J-509349 | E0915 | LWISLHRIEATKTM-UHFFFAOYSA-N | DTXSID40412961 | 2-ethynylthiophene, 90% | CHEBI:167071 | 2-Acetylenylthiophene | (thiophen-2-yl)acetylene | 2-thien
Storage
Store at 2-8°C,Protected from light,Argon charged
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Why this grade ≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Store at 2-8°C,Protected from light,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
PS-9283 | 2-Ethynylthiophene | 2-ethynyl-thiophene | 2-thiophenylacetylene | FT-0645320 | J-509349 | E0915 | LWISLHRIEATKTM-UHFFFAOYSA-N | DTXSID40412961 | 2-ethynylthiophene, 90% | CHEBI:167071 | 2-Acetylenylthiophene | (thiophen-2-yl)acetylene | 2-thien
Specifications & Purity
≥97%
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers Pubchem Sid 504763278 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/504763278 Canonical Smiles C#CC1=CC=CS1 IUPAC Name 2-ethynylthiophene InChIKey LWISLHRIEATKTM-UHFFFAOYSA-N INCHI 1S/C6H4S/c1-2-6-4-3-5-7-6/h1,3-5H Isomeric SMILES C#CC1=CC=CS1 WGK Germany 3 Molecular Weight 108.16 Reaxy-Rn 105773 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=105773&ln=
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 Kingdom Organic compounds Superclass Organoheterocyclic compounds Class Heteroaromatic compounds Subclass Not available Intermediate Tree Nodes Not available Direct Parent Heteroaromatic compounds Alternative Parents Thiophenes Acetylides Hydrocarbon derivatives Molecular Framework Aromatic heteromonocyclic compounds Substituents Heteroaromatic compound - Thiophene - Acetylide - Hydrocarbon derivative - Aromatic heteromonocyclic compound Description This compound belongs to the class of organic compounds known as heteroaromatic compounds. These are compounds containing an aromatic ring where a carbon atom is linked to an hetero atom. External Descriptors Not available Data sources 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.
3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Sensitivity Light Sensitive,Air Sensitive,Heat Sensitive Refractive Index 1.58 Flash Point(°F) 107.6 °F Flash Point(°C) 42 °C Boil Point(°C) 46°C/15mmHg Molecular Weight 108.160 g/mol XLogP3 1.900 Hydrogen Bond Donor Count 0 Hydrogen Bond Acceptor Count 1 Rotatable Bond Count 1 Exact Mass 108.003 Da Monoisotopic Mass 108.003 Da Topological Polar Surface Area 28.200 Ų Heavy Atom Count 7 Formal Charge 0 Complexity 98.000 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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