中日韩特级黄色视频免费看,美女网站黄,不卡免费视频,av天堂最新手机网址无码窝,黄色福利午夜视频,日本高清视频www夜色资源,天天在线视频国产

CN EN

1-PHENYL-3-METHYL-5-PYRAZOLONE

The molecular formula is C10H10N20Character: white crystal or powderMelting point: 126-128 ℃
Boiling point: 287°℃Density: 1,12g / cm3Flash point: 191 °℃
Water solubility: 3 g/L(20°C)Content: ≥ 989.2
Test basis: HG2306-2007Purpose:
1. It is mainly used to synthesize pyrazolone anti-pyretic and analgesic drugs such as analgin,anti-pyrine and aminopyrine;
2.lt is also the intermediate of pyrazolone acid dyessuch as acid mordant red BN,YONGGu yellow G,color film dyes, pesticides and other fine chemicals;3. lt is used as a reagent for the determination ofcobalt, copper, iron, nickel, silver and vitamin B12.lt is also used in the synthesis of dyes.

Related Products:

Hits:1810 Entry Time:2021-07-27 10:32:49【Back