5-浜岃嫰鍩烘伓鍞?&#8211; 鏈夋満閿?/title> <atom:link href="//9my.com.cn/archives/tag/5-%E4%BA%8C%E8%8B%AF%E5%9F%BA%E6%81%B6%E5%94%91/feed" rel="self" type="application/rss+xml" /> <link>//9my.com.cn</link> <description>鏈夋満閿?/description> <lastBuildDate>Tue, 22 Oct 2024 08:13:28 +0000</lastBuildDate> <language>zh-CN</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>//wordpress.org/?v=4.9.26</generator> <item> <title>2,5-浜屽熀鎭跺攽 //9my.com.cn/archives/516 Wed, 08 May 2024 06:07:03 +0000 //9my.com.cn/archives/516 2,5-二基恶唑l构?></p> <p>l构?/p> <table class= 物竞~号 0253 分子?/th> C15H11NO 分子?/th> 221.25 标签

2,5-二基-1,3-氧杂茂2,5-二基?/p>

~号pȝ

CASP92-71-7

MDLPMFCD00005306

EINECSP202-181-3

RTECSPRP6825000

BRNP157021

PubChemP24893888

物性数?/h2>

1.       性状Q?/SPAN>针状l晶。能随水蒸气微挥发?/SPAN>


2.       密度Q?/SPAN>g/mL,25/4℃）Q?/SPAN>1.0940


3.       相对蒸汽密度Q?/SPAN>g/mL,I气(que)=1Q：未确?/SPAN>


4.       熔点Q?/SPAN>ºCQ(duo)74


5.       沸点Q?/SPAN>ºC,(ning)压Q：360


6.       沸点Q?/SPAN>º(lu)C, 94.7kpaQ：未确?/SPAN>


7.       折(hua)率：(xi)1.6231


8.       闪点Q?/SPAN>ºCQ(ben)(duo) Q?/SPAN>150


9.       比旋光度Q?/SPAN>ºQ：未确?/SPAN>


10.    自燃Ҏ引燃温度Q?/SPAN>ºCQ：未确?/SPAN>


11.    (tang)气压（(zhi)kPa,25ºCQ：未确?/SPAN>


12.    饱(bian)(tang)气压()kPa,60ºCQ：未确?/SPAN>


13.    燃烧热（KJ/molQ：未确?/SPAN>


14.    临界温度Q?/SPAN>ºCQ：未确?/SPAN>


15.    临界压力Q?/SPAN>KPaQ：未确?/SPAN>


16.    ҎQ辛?/SPAN>/_分配pL的对数|未确?/SPAN>


17.    爆炸上限Q?/SPAN>%,V/VQ：未确?/SPAN>


18.    爆炸下限Q?/SPAN>%,V/VQ：未确?/SPAN>


19.    (jing)解性：易溶于、，几乎不溶于水?/SPAN>

毒理学数?/h2>

暂无

生态学数据

暂无

分子l构数据

1?SPAN>   摩尔折(hua)率：65.82


2?SPAN>   摩尔体积Q?/SPAN>m3/molQ(duo)196.0


3?SPAN>   {张比容Q?/SPAN>90.2KQ(duo)(xi)502.1


4(mo)?SPAN>   表面张力Q?/SPAN>dyne/cmQ：43.0


5?SPAN>   极化?/SPAN>Q?/SPAN>10-24cm3Q：(xi)26.09

计算化学数据

1.疏(qi)(an)参(yong)算参|(jian)(zhi)XlogPQ?(zu)?/P>

2.氢键供体数(ban)():0

3.氢键(yang)受体数量:2

4.可旋(qi)化学键数量:2

5.互变异构体数??/p>

6.(ma)扑分子极(gui)表面积26

7.(yue)原子数(yue)?17

8.表面电荷:0

9.复杂?231

10.同位(shang)原子(qi)(yue)?0

11.定原子立构(ying)中心数量():0

12.不(qu)(yue)原(ying)立构中(fu)心数?0

13.定化学键立构中心数?0

14.不确定化学键立()(ying)中心数(ban):0

15.(wei)׃h键单(wei)数?1

性质与稳定?/h2>

暂无(xi)

贮存Ҏ

 本品(qian)密(gua)于阴凉处(qiao)存?/SPAN>


 

合成Ҏ

?/SPAN>1g甲酰(yu)氨基(huang)乙酮(jing)于5ml中，在水上加热2minQ倒入水中Q析出无色结晶。过滤，有石沚wQ沸E?/SPAN>50-70?/SPAN>Q重l(dun)(fei)Q得2,5-二基噁唑?/SPAN>

用?/h2>

闪烁试剂?/SPAN>    

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