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Tetrahydropyran CAS Registry Number: 142-68-7 四氢吡喃


Additional Names: Pentamethylene oxide
Percent Composition: C 69.72%, H 11.70%, O 18.58%
📌 参考资料/链接:
Literature References: Prepd by hydrogenation of dihydropyran (from furfural): Paul, Bull. Soc. Chim. Fr. [4] 53, 1489 (1933); Andrus, Johnson, Org. Synth. 23, 90 (1943); Cass, Ind. Eng. Chem. 40, 219 (1948).

📄 详细内容


Properties: Mobile, flammable liquid. Pungent, sweetish odor. d420 0.8814. mp -49.2°. bp 88°. nD20 1.4211. Dipole moment 1.87. Flash pt -4.0°F. Azeotrope with water, bp 71°, contains 8.5% H2O. Sol in water [relative solubilities: Bennett, Philip, J. Chem. Soc.
1928, (1939)]. Miscible with alcohol, ether, many other organic solvents. Forms peroxides on exposure to air. All technical tetrahydropyran is stabilized against peroxide formation.
Melting point: mp -49.2°
Boiling point: bp 88°; bp 71°
Flash point: Flash pt -4.0°F
Index of refraction: nD20 1.4211
Density: d420 0.8814
产品链接: 142-68-7››