2H-Pyran, 2-ethynyltetrahydro-3-methoxy-, trans- (9CI)

Modify Date: 2025-08-26 08:03:13

2H-Pyran, 2-ethynyltetrahydro-3-methoxy-, trans- (9CI) Structure
2H-Pyran, 2-ethynyltetrahydro-3-methoxy-, trans- (9CI) structure
Common Name 2H-Pyran, 2-ethynyltetrahydro-3-methoxy-, trans- (9CI)
CAS Number 202604-39-5 Molecular Weight 140.180
Density 1.0±0.1 g/cm3 Boiling Point 177.0±40.0 °C at 760 mmHg
Molecular Formula C8H12O2 Melting Point N/A
MSDS N/A Flash Point 54.5±26.9 °C

 Names

Name (2S,3R)-2-Ethynyl-3-methoxytetrahydro-2H-pyran
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 177.0±40.0 °C at 760 mmHg
Molecular Formula C8H12O2
Molecular Weight 140.180
Flash Point 54.5±26.9 °C
Exact Mass 140.083725
LogP 0.55
Vapour Pressure 1.4±0.3 mmHg at 25°C
Index of Refraction 1.455

 Synonyms

(2S,3R)-2-Ethynyl-3-methoxytetrahydro-2H-pyran
2H-Pyran, 2-ethynyltetrahydro-3-methoxy-, (2S,3R)-
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