2-(2-Propynyloxy)tetrahydro-2H-pyran
[CAS# 6089-04-9]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyran compound
• Name: 2-(2-Propynyloxy)tetrahydro-2H-pyran
• Synonyms: Tetrahydro-2-(2-propynyloxy)pyran; Tetrahydropyran-2-yloxypropyne; Tetrahydropyranyl propargyl ether
• Molecular Formula: C₈H₁₂O₂
• Molecular Weight: 140.18
• CAS Registry Number: 6089-04-9
• EC Number: 228-028-0

Properties

• Solubility: Sparingly soluble (12 g/L) (25 ºC), Calc.^*
• Density: 0.99±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 124 ºC^**
• Refractive index: 1.4570 (589.3 nm 20 ºC)^***
• Flash point: 59.4±0.0 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Asadolah, K.; Russian Journal of Organic Chemistry 2009, V45(7), P1110-1111.

^*** Henbest, H. B.; Journal of the Chemical Society 1950, P3646-50.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319