问题：有关3,6-二羟基哒嗪的理化性质
类型：求助 (悬赏分:3分)
提问：stonechem
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版块：有机化学问题(jimuwei,fpcwin1211,netpanda,yjgzfl,Ftian,)
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时间：2007-05-27 09:07:47 编辑加入/取消收藏订制/取消短消息举报该贴

请指点一下3,6-二羟基的理化性质.急,谢谢!

回复人：edwin,★★ (宝剑锋从磨砺出,梅花香自苦寒来) 时间：2007-05-27 09:28:21 编辑

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3,6-Pyridazinediol
CAS Registry Number: 123-33-1

Molecular Formula: C4H4N2O2
Molecular Weight: 112.088
Accurate Mass: 112.027278
Percentage Composition: C 42.86%; H 3.60%; N 24.99%; O 28.55%
General Statement: Monooxo form predominates for parent compd. in gas and condensed phases. Dioxo-form also obs. in soln.; dihydroxy form is essentially absent

Physical Description: Cryst. (H2O)
Melting Point: Mp 260 dec. Mp 300
Dissociation Constant: pKa1 2.2; pKa2 5.71; pKa3 13 (20)
Other Data: Forms water-sol. alkali metal and amine salts. Na and K salts used as plant growth regulators

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