问题：请问四异丙醇钛
类型：求助 (悬赏分:3分)
提问：sdzzdz
等级：▲
版块：元素及金属有机(方无忧,seaword,)
信誉：78%
回复：1
阅读：2100
时间：2006-04-22 23:01:37 编辑加入/取消收藏订制/取消短消息举报该贴

四异丙醇钛我是这样制备的：机械搅拌下用四氯化钛缓慢滴加到异丙醇中，直到不再产生氯化氢气体为止，这时变成黄色块状物，加入丙酮溶解后，溶液变成了棕黄色。为了除去丙酮，我又将溶液在烘箱60摄氏度下烘。过了七八个小时后发现变成了深棕红色粘稠状，放置于室温变得更加粘稠，并且一搅拌还有氯化氢冒出。请问这正常吗？

四异丙醇钛室温下是深棕红色粘稠状的液体吗？怎么烘了那么久还有氯化氢气体啊？

是不是我用烘箱60摄氏度烘四异丙醇钛导致其发生了一些化学变化？

请各位指点！

回复人：tangyyer,★★★★★ (有空来逛逛my blog: http://tangyyer.blog.hexun.com) 时间：2006-04-23 08:39:42 编辑

1楼

Titanium (IV) isopropoxide
CAS：546-68-9
Form: Liquid
Color: Light yellow
Odor: Alcohol-like
Melting point/Melting range: 18-20 ° C
Boiling point/Boiling range: 220 ° C

更具体的性质：
Property Value Condition Note
Boiling Point 220 癈 SRC
Boiling Point 220 癈 Press: 760 Torr NLM
13C NMR Spec See full text (1) CAS
13C NMR Spec See full text (2) CAS
13C NMR Spec See full text (3) CAS
13C NMR Spec See full text (4) CAS
Cryst Lattice Param See full text (5) CAS
Density 0.9711 g/cm3 Temp: 20 癈 NLM
IR Absorp Spec See full text (2) CAS
IR Absorp Spec See full text (6) CAS
IR Absorp Spec See full text (7) CAS
IR Absorp Spec See full text (8) CAS
IR Absorp Spec See full text (9) CAS
Mass Spectrum See full text (1) CAS
Mass Spectrum See full text (4) CAS
Melting Point 218-220 癈 (4) CAS
Melting Point 20 癈 (approx) NLM
Melting Point 20 癈 SRC
Optical Rotatory Power -27.5 ?Conc: 0.73 (2) CAS
g/100mL
Solv: chloroform
(67-66-3)
Wavlen: 589.3
nm
Optical Rotatory Power -80 ?Conc: 0.10 (4) CAS
g/100mL
Solv: chloroform
(67-66-3)
Wavlen: 589.3
nm
Temp: 22 癈
31P NMR Spec See full text (1) CAS
Particle Size See full text (5) CAS
Proton NMR Spectrum See full text (2) CAS
Proton NMR Spectrum See full text (4) CAS
Proton NMR Spectrum See full text (3) CAS
Proton NMR Spectrum See full text (1) CAS
Refractive Index 1.46 NLM
Thermal Expan Coeff See full text (5) CAS
UV-Vis Absorp Spec See full text (8) CAS
Vap Press/Volatility See full text (10) CAS
X-Ray Absorp Spec See full text (5) CAS
X-Ray Diff Pattern See full text (5) CAS
X-Ray Diff Pattern See full text (11) CAS

Notes:
(1) Morgan, John P.; Chemical Communications (Cambridge, United Kingdom) 2005, (26), P3307-3309
(2) dos Santos, Anderson Rouge; European Journal of Organic Chemistry 2005, (15), P3348-3359
(3) Belda, Oscar; Journal of Organometallic Chemistry 2004, V689(23), P3750-3755
(4) Song, Zhiguo J.; Proceedings of the National Academy of Sciences of the United States of America 2004, V101(16), P5776-5781
(5) Jagtap, Neelam; Thermochimica Acta 2005, V427(1-2), P37-41
(6) Nunes, Giovana G.; New Journal of Chemistry 2002, V26(5), P519-522
(7) Beyrhouty, Mirvat; New Journal of Chemistry 2005, V29(10), P1245-1248
(8) Sakuraba, Hidetake; Shikizai Kyokaishi 2003, V76(4), P138-141
(9) Zhou, Xing-fu; Anhui Shifan Daxue Xuebao, Ziran Kexueban 2001, V24(3), P228-230
(10) Li, Tingkai; EP 1184485 A1 2002
(11) Liu, Ping; Wuji Huaxue Xuebao 2003, V19(4), P350-354

问题讨论没有结束...

您尚未进入本论坛,登录之后才可以回贴

6msec