24小时热门版块排行榜    

Znn3bq.jpeg
查看: 202  |  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
[考研] 297工科,求调剂? +4 河南农业大学-能 2026-04-12 4/200 2026-04-12 19:07 by xhongshu小红薯
[教师之家] 山东双非院校考核超级无底线,领导幸灾乐祸,教师遭殃恐 +3 qut2026 2026-04-11 4/200 2026-04-12 16:32 by aheyingwhg
[考研] 335求调剂 +13 想上岸呀!! 2026-04-12 13/650 2026-04-12 11:37 by 柴小白
[考研] 085410 273求调剂 +10 X1999 2026-04-09 10/500 2026-04-12 09:24 by 逆水乘风
[考研] 271求调剂 +20 2261744733 2026-04-11 22/1100 2026-04-11 23:14 by labixiaoqiao
[考研] 267求调剂 +8 再忙也要吃饭啊 2026-04-09 8/400 2026-04-11 21:42 by cfdbai
[考研] 281求调剂 +11 觉得好的吧 2026-04-10 11/550 2026-04-11 09:35 by 逆水乘风
[考研] 337求调剂 +4 研s. 2026-04-10 4/200 2026-04-11 08:57 by zhq0425
[考研] 调剂 化学 307 +21 73372112 2026-04-09 23/1150 2026-04-10 23:53 by wj165256
[考研] 求调剂 +5 不会飞的鱼@ 2026-04-10 5/250 2026-04-10 19:07 by chemisry
[考研] 考研二轮调剂 +8 故人?? 2026-04-09 8/400 2026-04-10 09:44 by 青梅duoduo
[考研] 085601初试330分找调剂 +10 流心奶黄包l 2026-04-09 10/500 2026-04-10 08:14 by Sammy2
[考研] 一志愿厦大生物学332求调剂 +10 池池池池池池 2026-04-08 10/500 2026-04-09 17:10 by 独醉梦孤城
[考研] 322求调剂,08工科 +3 今天是个小号 2026-04-08 3/150 2026-04-09 15:53 by wp06
[考研] 调剂 +12 月@163.com 2026-04-08 12/600 2026-04-09 14:27 by rl1980
[考研] 265求调剂 +4 风说她早忘了 2026-04-07 4/200 2026-04-09 13:59 by only周
[考研] 287求调剂 +6 Fnhc 2026-04-07 6/300 2026-04-08 10:05 by xingguangj
[考研] 388求调剂 +6 四川王涛 2026-04-07 8/400 2026-04-08 00:17 by JourneyLucky
[考研] 331求调剂 +5 张元一 2026-04-07 6/300 2026-04-07 22:13 by hemengdong
[考研] 287分求调剂 有专利国奖一志愿哈工大085406 +6 白易辰 2026-04-06 7/350 2026-04-06 22:46 by 875465
信息提示
请填处理意见