免费人成无码大片在线观看_国产精品+老牛影视_一边做一边潮喷30p_欧美+国产+中文_人妻无码第一区二区三区_久久久久亚洲精品无码系列 _97成人在线视频免费播放_麻豆文化传媒精品一区观看 _午夜精品福利av在线_91久久久久无码精品露脸

Phthalide, 99%

CAS NO.:87-41-2

MSDS
Molecular Formula:C8H6O2
Grade Of Dangerous Goods:
Packing Category:
Molecular Weight:134.13
UN Coding:

Specifications:

Character: white to yellowish powder
Clarity: ≤ No.2
Melting point (℃): 72-74
Residue (%): ≤ 0.10
Content (%): ≥ 99.00
Package: 25kg cardboard drum

Application:

It is used as intermediate of fine chemicals, in the production of dyestuff intermediate 1,4-dichloroanthraquinone, anticoagulant phenylindanedione, bactericide tetrachlorophthalide and antianxiety drug doxepin.

Other instructions: