137000-75-0

Basic information

• Product Name: Pyridine, 2,5-diethynyl- (9CI)
• Synonyms: Pyridine, 2,5-diethynyl- (9CI);2,5-Diethynylpyridine
• CAS NO: 137000-75-0
• Molecular Formula: C₉H₅N
• Molecular Weight: 127.1427
• Product Categories: PYRIDINE
• Mol File: 137000-75-0.mol
• Article Data: 5

Chemical Properties

• Melting Point: 90 °C
• Appearance: /
• CAS DataBase Reference: Pyridine, 2,5-diethynyl- (9CI)(CAS DataBase Reference)
• NIST Chemistry Reference: Pyridine, 2,5-diethynyl- (9CI)(137000-75-0)
• EPA Substance Registry System: Pyridine, 2,5-diethynyl- (9CI)(137000-75-0)

Safety Data

• Hazardous Substances Data: 137000-75-0(Hazardous Substances Data)

Usage

General Description

Pyridine, 2,5-diethynyl- (9CI) is a chemical compound with the molecular formula C8H4N2. It is a derivative of pyridine with two ethynyl groups attached at the 2 and 5 positions. Pyridine, 2,5-diethynyl- (9CI) is a highly reactive and toxic substance, and it is primarily used in the production of pharmaceuticals, dyes, and agrochemicals. It is also utilized as a building block in organic synthesis and as a reagent in various chemical reactions. However, its use is limited due to its high toxicity and potential environmental and health hazards. Proper safety precautions must be taken when handling and using this chemical.

Upstream product

• 624-28-2 2,5-dibromopyridine 
• 172883-67-9 2,5-bis[(trimethylsilyl)ethynyl]pyridine 

Downstream Products

• 1022900-83-9 (AuPPh₃)C₂(2,5-pyridine)C₂(AuPPh₃) 

Relevant articles and documents

Crystal-like periodic mesoporous organosilica bearing pyridine units within the framework

Periodic mesoporous organosilica with densely packed pyridine units within the framework and crystal-like molecular-scale periodicity was synthesized. The framework pyridines were chemically active and fully accessible for protonation and Cu2+

Orbital interactions in ethynylpyridines

He I and He II photoelectron spectra of several isomeric ethynyl- and diethynylpyridines have been measured. The spectra were analyzed with the aid of empirical arguments: relative band intensities and comparison with spectra of related compounds (ethynyl

COMPOUND, LIGHT-EMISSION OR ELECTRONIC MATERIAL COMPRISING THE SAME, AND GAS SENSOR MATERIAL

PROBLEM TO BE SOLVED: To provide, firstly, a novel π conjugated oligomer that can be handled as liquid at room temperature, and has improved applicability compared to the conventional art, and secondly, provide a gas sensor material that can detect the existence of acidic or basic substance by an optical change, using such a π conjugated oligomer. SOLUTION: The present invention provides a compound represented by general formula (1). SELECTED DRAWING: Figure 1 COPYRIGHT: (C)2018,JPOandINPIT