国产特级婬片免费看_欧美大香线蕉线伊人久久_H无码精品动漫在线观看免费_国产69精品久久久久9999|久久永久免费精品人妻七月丁香花|又黄又粗暴的1000部视频高清|草莓视频成人app18禁免费

Product and Service

Current position: Home > Product and Service > > Pharmaceutical intermediates

Pharmaceutical intermediates

Tetrahydro-4H-pyran-4-one
Tetrahydro-4H-pyran-4-one

Name:Tetrahydro-4H-pyran-4-one

Purity:≥98.0%

Cas NO.:29943-42-8

Molecular formula: C5H8O2

Molecular weight: 100.12

Appearance and properties: light yellow to colorless transparent liquid

Density: 1.084 g/ml at 25 ° C (lit.)

Boiling point: 166-166.5 ° C (lit.)

Contact us


Address: No. 6, Anping Road, fluorine chemical industry park, yimotu Town, Fumeng County, Fuxin City, Liaoning Province(the first one in the park)
Contact: Mr. Zheng
E-mail:

 

国产特级婬片免费看_欧美大香线蕉线伊人久久_H无码精品动漫在线观看免费_国产69精品久久久久9999|久久永久免费精品人妻七月丁香花|又黄又粗暴的1000部视频高清|草莓视频成人app18禁免费