3,4-Dihydro-2H-pyran

Time：2022-05-10

1. Basic information

Product name: 3,4-Dihydro-2H-pyran

CAS:110-87-2

Molecular formula: C₅H₈O

Molecular weight: 84.116

Appearance: colorless liquid easy to flow

Boiling point: 86.5 ±0.0C at 760mmHg

Melting point:-70 °C (lit.)

Flash point:-15.6 ±0.0 °C

Vapor pressure: 74.4 ±0.1 mmHg at 25 °C

Purity: 98%

Properties: can be miscible with ethanol, ether and general organic solvents, slightly soluble in water

2. Main uses: tetrahydropyran, pentanediol, glutaric acid, pentolactone, pentadiene and resin products can be prepared by polymerization, hydrogenation and oxidation, and can also be used as pharmaceutical intermediates, solvents and organic synthesis intermediates. Widely used in hydroxyl protection

3. Packing: 180KG plastic barrel packing

4. Storage: stored in a cool, ventilated warehouse. Stay away from fire, heat source and anti-static electricity. The reservoir temperature should not exceed 30 ℃. Should be stored separately from the oxidizer, do not mix storage. Adopt explosion-proof lighting and ventilation facilities. The use of mechanical equipment and tools that are prone to sparks is prohibited. The storage area shall be equipped with leakage emergency handling equipment and suitable reception materials