24小时热门版块排行榜    

Znn3bq.jpeg
查看: 200  |  回复: 3
当前主题已经存档。

303855919

铁虫 (小有名气)

[交流] 求助一个化合无的合成和性质 有效期至2008年8月8日


制备,还有他的性质,容易氧化吗
谁能找到它的cas号啊

[ Last edited by 303855919 on 2008-7-15 at 15:42 ]

» 猜你喜欢

努力,努力,在努力
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

guard_lk

木虫 (正式写手)


303855919(金币+1,VIP+0):谢谢
这个应该是黄酮类化合物的一种吧,有酚羟基在应该是比较容易被氧化的(个人意见,仅供参考)
[img]http://www.d500.com.cn/png/2008_4_18/20080418033333_40375.d500/Ooopsy%20Bear%20.png[img]
2楼2008-07-09 15:11:50
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

199003326

木虫 (正式写手)

Chemical Formula: C14H12O2
Exact Mass: 212.08
Molecular Weight: 212.24
m/z: 212.08 (100.0%), 213.09 (15.4%), 214.09 (1.5%)
Elemental Analysis: C, 79.22; H, 5.70; O, 15.08





*** Physical Property Report Generated By CS ChemProp ***

************************************************************************
Estimation of logarithm of Partition Coefficient [n-Octanol/Water] Log(p)
************************************************************************

Log(p)........:     3.41
St..deviation.:     0.47
by Crippen's fragmentation: J.Chem.Inf.Comput.Sci.,27,21(1987).

Log(p)........:     3.59
St..deviation.:     0.49
by Viswanadhan's fragmentation: J.Chem.Inf.Comput.Sci.,29,163(1989).


Estimation using Broto's fragmentation method
Log(p)........:     3.00
St..deviation.:     0.27
by Broto's method: Eur.J.Med.Chem.- Chim.Theor.,19,71(1984).


************************************************************************
Estimation of Molar Refractivity
************************************************************************

MR............:    64.02 [cm.cm.cm/mol]
St..deviation.:     1.27
by Crippen's fragmentation: J.Chem.Inf.Comput.Sci.,27,21(1987).

MR............:    62.86 [cm.cm.cm/mol]
St..deviation.:     0.77
by Viswanadhan's fragmentation: J.Chem.Inf.Comput.Sci.,29,163(1989).

************************************************************************
Estimation of Henry's Constant (H)
************************************************************************

1. method: H = 10.066 log[unitless]
     Estimation of mean error..: 0.340

2. method: The Method is not usable for this type of molecule.
     Two or more polar groups is in the compound.

************************************************************************
Estimation of the Boiling and Freezing points.
************************************************************************

Normal Boiling Point [p=1atm]: 640.96 [K]
Standard Error: 20.400 [K]
Joback fragmentation method modified by S.E. Stein


Normal Boiling Point [p=1atm]: 751.62 [K]
Standard Error: Error was not estimated.
Joback fragmentation method


Freezing Point [p=1atm]: 574.06 [K]
Standard Error: 25.000 [K]
Joback fragmentation method

************************************************************************
Estimation of the Critical properties.
************************************************************************

Critical Temperature: 867.70 [K]
Standard Error: Error was not estimated.
Joback fragmentation method


Critical Pressure: 44.802 [bar]
Standard Error: Error was not estimated.
Joback fragmentation method


Critical Volume: 601.50 [cm.cm.cm/mol]
Standard Error: Error was not estimated.
Joback fragmentation method

************************************************************************
Estimation of the Thermodynamics properties
************************************************************************

Heat of Formation [T=298.15K, p=1atm]: -137.49 [kJ/mol]
Standard Error: Error was not estimated.
Joback fragmentation method


Gibbs Energy [T=298.15K, p=1atm]: 43.880 [kJ/mol]
Standard Error: Error was not estimated.
Joback fragmentation method


Ideal gas thermal capacity for T= 298.15 [K] and p=1atm: 226.91 [J/(mol.K)]
Standard Error: Error was not estimated.
Joback fragmentation method
最近穷疯了,没钱买大饼吃,只好啃馒头;想吃大饼了,就把馒头拍扁......
3楼2008-07-09 17:43:12
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

春天来了518

金虫 (小有名气)

这篇应该可以

★ ★ ★ ★
303855919(金币+4,VIP+0):很好,相间恨晚
4楼2008-07-15 14:56:57
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 303855919 的主题更新
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[找工作] 山东高校教师考核超级无底线,员工过不下去啦 +4 qut2026 2026-04-09 9/450 2026-04-12 00:54 by qut2026
[考研] 一志愿郑州大学 22408 305分求调剂 +5 安小满zzz 2026-04-08 5/250 2026-04-12 00:41 by 蓝云思雨
[考研] 291求调剂 +7 关忆北. 2026-04-11 7/350 2026-04-11 23:48 by baobaoye
[考研] 一志愿211,0703化学305分求调剂 +26 严西西戏 2026-04-06 33/1650 2026-04-11 23:01 by 314126402
[考研] 调剂求助 +6 果然有我 2026-04-11 7/350 2026-04-11 16:22 by 明月此时有
[考研] 274求调剂求调剂 +11 Jachenbingoo 2026-04-06 14/700 2026-04-11 11:37 by 紫曦紫棋
[考研] 0854求调剂 +7 assdll 2026-04-05 7/350 2026-04-11 10:34 by Delta2012
[考研] 085410-273求调剂 +6 X1999 2026-04-10 6/300 2026-04-11 10:32 by Delta2012
[考研] 求调剂288 +6 ioodiiij 2026-04-10 8/400 2026-04-10 21:07 by zhouxiaoyu
[考研] 287求调剂 +15 Fnhc 2026-04-07 21/1050 2026-04-10 19:09 by chemisry
[考研] 314求调剂 +23 wakeluofu 2026-04-09 24/1200 2026-04-10 15:31 by MOF_Catal
[考研] 招收有机化学、化工,药学,食品灯专业学生 +3 yrfhjgdj 2026-04-08 3/150 2026-04-09 10:15 by QYQX_123
[考研] 353求调剂 +8 晴空万里air 2026-04-07 8/400 2026-04-09 00:18 by GouQ
[考研] 281求调剂 +10 椰子蘑菇 2026-04-06 10/500 2026-04-08 11:43 by zzucheup
[考研] 机械工程264学硕求调剂 +3 qiushangxian 2026-04-06 3/150 2026-04-08 01:53 by Linzejun
[考研] 生物学363调剂求助 +7 fanzhang6666 2026-04-06 9/450 2026-04-07 17:37 by lijunpoly
[考研] 材料调剂 +17 小刘同学吖吖 2026-04-06 18/900 2026-04-07 11:41 by 诗与自由
[考研] 307求调剂 +3 Youth@@ 2026-04-07 3/150 2026-04-07 09:25 by 小黑不怕难
[考研] 考研调剂 +3 Wwwwwww哇 2026-04-06 3/150 2026-04-06 20:55 by lbsjt
[考研] 第一志愿东南大学物理313,有科研竞赛获奖经历,希望物理复试调剂 +3 马内橙 2026-04-05 3/150 2026-04-06 10:32 by 蓝云思雨
信息提示
请填处理意见