469920

2-Ethynylpyridine

98%

• Synonym(s): 2-Pyridinylethyne, 2-Pyridylacetylene, Pyridin-2-ylacetylene
• Empirical Formula (Hill Notation): C₇H₅N
• CAS Number: 1945-84-2
• Molecular Weight: 103.12
• MDL number: MFCD00041598
• UNSPSC Code: 12352100
• PubChem Substance ID: 24870624
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: 98%
• refractive index: n20/D 1.56 (lit.)
• bp: 85 °C/12 mmHg (lit.)
• density: 1.021 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: C#Cc1ccccn1
• InChI: 1S/C7H5N/c1-2-7-5-3-4-6-8-7/h1,3-6H
• InChI key: NHUBNHMFXQNNMV-UHFFFAOYSA-N

Description

General description

2-Ethynylpyridine is a pyridine derivative.

Application

2-Ethynylpyridine has been used to synthesize:

• poly(2-ethynyl-N-iodopyridinium iodide), via in-situ uncatalyzed polymerization
• poly[2-ethynyl-N-(2-furoyl)pyridinium chloride
• poly[2-ethynyl-N-(propylsulfonate)pyridinium betaine]
• 4-(2′-pyridyl)-1,2,3-triphospholide anion, via reaction with anionic heptaphosphide clusters
• poly[N-(carboxymethyl)-2-ethynylpyridinium bromide], a new water-soluble ionic conjugated polymer
• self-doped ionic conjugated polymer, poly(2-ethynylpyridinimum N-benzoylsulfonate).

Other Notes

It may darken in storage with no loss in purity.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves