3-Ethynylpyridine

3-乙炔基吡啶

Also known as: 3-ethynylpyridine, 3-ethynyl pyridine, 3-pyridinyl acetylene, 3-pyridylacetylene, MFCD02177459, Pyridine, 3-ethynyl-, meta-ethynylpyridine

CAS No.
2510-23-8
Jingsj CID
J-44019-8
Molecular Formula
C7H5N
Chinese Name
3-乙炔基吡啶
Molecular Weight
103.12 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point39-40 °C(lit.)
Boiling Point170.5±13.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point57.5±12.4 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Ethynylpyridine?

2510-23-8

What are the molecular formula and molecular weight of 3-Ethynylpyridine?

C7H5N, molecular weight 103.12 g/mol

Is 3-Ethynylpyridine hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026