24小时热门版块排行榜    

查看: 605  |  回复: 4
当前主题已经存档。

xyhua

木虫 (小有名气)

[交流] 请问m-PCBA是个什么化合物?

请问m-PCBA是个什么化合物?
回复此楼
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

qjc830401

荣誉版主 (著名写手)

Chem.Q


小红豆(金币+1,VIP+0):3x!
间氯过氧苯甲酸

O-- 邻
m-间
P-  对

[ Last edited by qjc830401 on 2007-9-17 at 19:42 ]
http://www.pet2008.cn/index.php?fromuid=11277
2楼2007-09-17 11:11:59
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

lzhiping

至尊木虫 (职业作家)

★ ★
小红豆(金币+2,VIP+0):3Q~!
楼上的兄弟可能错了。可能是间氯过氧苯甲酸。
[937-14-4]  · C7H5ClO3  · m-Chloroperbenzoic Acid  · (MW 172.57)

(electrophilic reagent capable of reacting with many functional groups; delivers oxygen to alkenes, sulfides, selenides, and amines)

Alternate Name: m-CPBA; MCPBA.

Physical Data: mp 92-94 °C.

Solubility: sol CH2Cl2, CHCl3, 1,2-dichloroethane, ethyl acetate, benzene, and ether; slightly sol hexane; insol H2O.

Form Supplied in: white powder, available with purity of 50%, 85%, and 98% (the rest is 3-chlorobenzoic acid and water).

Analysis of Reagent Purity: iodometry.2

Purification: commercial material (purity 85%) is washed with a phosphate buffer of pH 7.5 and dried under reduced pressure to furnish reagent with purity >99%.3

Handling, Storage, and Precautions: pure m-CPBA is shock sensitive and can deflagrate;4 potentially explosive, and care is required while carrying out the reactions and during workup.5 Store in polyethylene containers under refrigeration.

[ Last edited by lzhiping on 2007-9-17 at 15:24 ]
3楼2007-09-17 15:17:29
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

yaowushi

木虫 (正式写手)

间氯过氧苯甲酸,我们常用来氧化
4楼2007-09-17 19:25:01
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 xyhua 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] 求调剂 +3 13341 2026-03-20 3/150 2026-03-21 18:28 by 学员8dgXkO
[考研] 313求调剂 +4 肆叁贰壹22 2026-03-19 4/200 2026-03-21 17:33 by ColorlessPI
[考研] 298求调剂 +4 上岸6666@ 2026-03-20 4/200 2026-03-21 17:14 by 学员8dgXkO
[考研] 求调剂 +3 .m.. 2026-03-21 4/200 2026-03-21 16:25 by barlinike
[考研] 279求调剂 +5 红衣隐官 2026-03-21 5/250 2026-03-21 14:59 by lature00
[考研] 316求调剂 +6 梁茜雯 2026-03-19 6/300 2026-03-21 06:32 by Ecowxq666!
[考研] 332求调剂 +4 ydfyh 2026-03-17 4/200 2026-03-21 02:20 by JourneyLucky
[考研] 华东师范大学-071000生物学-293分-求调剂 +3 研究生何瑶明 2026-03-18 3/150 2026-03-21 01:30 by JourneyLucky
[考研] 一志愿华中科技大学,080502,354分求调剂 +5 守候夕阳CF 2026-03-18 5/250 2026-03-21 01:06 by JourneyLucky
[考研] 271材料工程求调剂 +8 .6lL 2026-03-18 8/400 2026-03-21 00:58 by JourneyLucky
[考研] 一志愿华南师大 070300(化学)304分求调剂 +3 0703武芊慧雪304 2026-03-18 3/150 2026-03-21 00:48 by JourneyLucky
[考研] 南京大学化学376求调剂 +3 hisfailed 2026-03-19 6/300 2026-03-20 23:43 by hisfailed
[考研] 288求调剂 +16 于海海海海 2026-03-19 16/800 2026-03-20 22:28 by JourneyLucky
[考研] 一志愿中南化学(0703)总分337求调剂 +8 niko- 2026-03-19 9/450 2026-03-20 21:57 by luoyongfeng
[考研] 一志愿武理材料工程348求调剂 +3  ̄^ ̄゜汗 2026-03-19 4/200 2026-03-20 21:01 by zhukairuo
[考研] 一志愿 南京航空航天大学大学 ,080500材料科学与工程学硕 +5 @taotao 2026-03-20 5/250 2026-03-20 20:16 by JourneyLucky
[考研] 工科材料085601 279求调剂 +7 困于星晨 2026-03-17 9/450 2026-03-20 17:38 by 无懈可击111
[考研] 085600材料与化工求调剂 +6 绪幸与子 2026-03-17 6/300 2026-03-19 13:27 by houyaoxu
[考研] 301求调剂 +4 A_JiXing 2026-03-16 4/200 2026-03-17 17:32 by ruiyingmiao
[考研] 11408 一志愿西电,277分求调剂 +3 zhouzhen654 2026-03-16 3/150 2026-03-17 07:03 by laoshidan
信息提示
请填处理意见