ethynylpyridine

Modify Date: 2025-08-25 19:45:46

ethynylpyridine Structure
ethynylpyridine structure
Common Name ethynylpyridine
CAS Number 1945-84-2 Molecular Weight 103.121
Density 1.0±0.1 g/cm3 Boiling Point 170.5±13.0 °C at 760 mmHg
Molecular Formula C7H5N Melting Point 77-78ºC
MSDS Chinese USA Flash Point 57.5±12.4 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 2-Ethynylpyridine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 170.5±13.0 °C at 760 mmHg
Melting Point 77-78ºC
Molecular Formula C7H5N
Molecular Weight 103.121
Flash Point 57.5±12.4 °C
Exact Mass 103.042198
PSA 12.89000
LogP 0.91
Vapour Pressure 1.9±0.3 mmHg at 25°C
Index of Refraction 1.543
Storage condition 2-8°C

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933399090

 Synthetic Route

 Customs

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles7

More Articles
Synthesis and properties of an ionic conducting material: in-situ preparation of poly(2-ethynyl-N-iodopyridinium iodide) and its electro-optical and electrochemical properties.

J. Nanosci. Nanotechnol. 14(10) , 8028-32, (2014)

Poly(2-ethynyl-N-iodopyridinium iodide) [PEIPI] was easily prepared via in-situ uncatalyzed polymerization of 2-ethynylpyridine by using iodine. The activated acetylenic bond of 2-ethynyl-N-iodopyridi...

Synthesis and characterization of an ionic conjugated polymer: poly[2-ethynyl-N-(2-furoyl)pyridinium chloride].

J. Nanosci. Nanotechnol. 14(8) , 6247-50, (2014)

A new ionic polyacetylene derivative with furoyl substituents was prepared by the uncatalyzed polymerization of 2-ethynylpyridine by using 2-furoyl chloride in high yield. The polymer structure was ch...

An asymmetrically derivatized 1,2,3-triphospholide: synthesis and reactivity of the 4-(2'-pyridyl)-1,2,3-triphospholide anion.

Inorg. Chem. 52(9) , 5527-34, (2013)

Reactions between anionic heptaphosphide clusters ([P7](3-)/[HP7](2-)) and 2-ethynylpyridine yielded the 4-(2'-pyridyl)-1,2,3-triphospholide anion ([P3C2H(2-C5H4N)](-); 1). This species was isolated a...

 Synonyms

2-ethynyl-pyridine
Pyridine, 2-ethynyl-
pyridylethyne
2-Ethynylpyridine
ethynyl pyridine
pyridylacetylene
2-Pyridylacetylene
pyridine,2-ethynyl
MFCD00041598
2-Ethynyl pyridine
ethynylpyridine
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