国产av午夜电影_亚洲AV无码Av日韩AV_少妇欧美精品在线观看_老熟妇乱子伦牲交视频_亚洲春色av无码不卡久久_啊老师嗯好深用力_18所黄色禁看网站_日韩欧美国产手机在线_国产三级电影观看_日韩精品极品视频

Welcome to the official website of Jiangsu Hengxiang chemical co., ltd.!

+86-513-87562888 , 87568999 , 87580999

[email protected]

Jiangsu Hengxiang chemical co., ltd.
1 1 2 3 3

Products

Phthalide 1-Isobenzofuranone

CAS NO: 87-41-2
Formula: C8H6O2
Molecular weight: 134.13
Boiling point: 70-73℃
Melting point: 290℃
Content: ≥99%
Appearance: Off-white to white crystal
Structural formula:
Use: Used as intermediate for fine chemicals, it can be used in the production of dye intermediate 1,4-Dichloroanthraquinone and 1-Chloroanthraquinone. Intermediate for organic synthesis.
Back