Basic information
- Name:
Pyridine, 2-ethynyl-
- Superlist Name:
- 2-Ethynylpyridine
- CAS No.:
1945-84-2
- Molecular Structure:
- Formula:
- C7H5N
- Molecular Weight:
- 103.12
- Synonyms:
- 2-Pyridinylethyne;2-Pyridylacetylene;2-Pyridylethyne;Pyridin-2-ylacetylene;
- Density:
- 1.02 g/cm3
- Melting Point:
- 77-78 °C
- Boiling Point:
- 170.5 °C at 760 mmHg
- Flash Point:
- 57.5 °C
- Appearance:
- clear dark brown liquid
- Hazard Symbols:
Xi- Risk Codes:
- 36/37/38
- Safety Description:
- 26-36-37/39 Details
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Chemistry
The molecular formula of 2-ETHYNYLPYRIDINE(1945-84-2) is C7H5N and its formula weight is 103.12.
The density of 2-ETHYNYLPYRIDINE(1945-84-2) is 1.021 g/mL at 25 °C(lit.)
and it has a melting point of 77-78°C. The boiling point is 85 °C12 mm Hg(lit.). The refractive index is about 1.56(lit.). Its flash point is 170 °F.
The chemical synonyms of 2-ETHYNYLPYRIDINE(1945-84-2) are TIMTEC-BB SBB006619;2-PYRIDYLACETYLENE;2-ETHYLNYL PYRIDINE;2-ETHYNYLPYRIDINE;2-ETHYNYLPYRIDINE STABILIZED 98%;2-ETHYNYLPYRIDINE, 98%, STAB. WITH 0.01% HYDROQUINONE;2-ETHYNYLPYRIDINE INHIBITED WITH 01% HYDROQUINONE;Pyridine, 2-ethynyl- (6CI, 7CI, 8CI, 9CI)
The molecular structure of 2-ETHYNYLPYRIDINE(1945-84-2):
Toxicity Data With Reference
LD50/LC50: RTECS: Not available.
Carcinogenicity: 2-Ethynylpyridine - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: The toxicological properties have not been fully investigated.
Safety Profile
Risk Statements 36/37/38
Safety Statements 26-36-37/39
WGK Germany 3
Specification
Conditions to Avoid: Incompatible materials, moisture, heat.
Incompatibilities with Other Materials Oxidizing materials, acids.
Hazardous Decomposition Products Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization Will not occur.
