838-88-0
838-88-0 結(jié)構(gòu)式
基本信息
3,3`-二甲基-4,4`-二氨基二苯甲烷
3,3'-二甲基-4,4'-二胺基二苯基甲烷
3,3'-二甲基-4,4'-二氨基二苯基甲烷
4,4'-亞甲基雙(2-甲基苯胺)
4,4'-二氨基-3,3'-二甲基二苯甲烷
4,4'-DIAMINO-3,3'-DIMETHYLDIPHENYLMETHANE
4,4'-METHYLENE-BIS(2-METHYLANILINE)
4,4'-METHYLENEBIS-O-TOLUIDINE
4,4'-METHYLENE-DI(O-TOLUIDINE)
4,4’-methylenebis(2-methyl-anilin
4,4’-methylenebis(2-methyl-benzenamin
4,4’-methylenebis(2-methylbenzenamine)
4,4’-methylenebis[2-methyl-benzenamin
4,4’-methylenedi-o-toluidin
bis(4-amino-3-methylphenyl)-methan
bis(4-amino-3-methylphenyl)methane
bis-4-amino-3-methylfenylmethan
mbot
me-mda
4-(4-amino-3-methylbenzyl)-2-methylbenzenamine
3,3'-Dimethyl-4,4'-diaminobiphenylmethane
4,4-DIAMINO-3,3-DIMETHYLDIPHENYL- METHAN
4,4-METHYLENE-BIS(2-METHYLANILINE),STAND ARD FOR GC
2,2'-Dimethyl-4,4'-methylenedianiline
物理化學(xué)性質(zhì)
cosmetics
environmental
food and beverages
personal care
安全數(shù)據(jù)
toxic compounds or compounds which causing chronic effects
Aquatic Acute 1
Aquatic Chronic 1
Carc. 1B
Skin Sens. 1
制備方法
50-00-0
95-53-4
838-88-0
（1）將鄰甲苯胺、水和37％鹽酸按鄰甲苯胺與鹽酸的摩爾比為1：1.2，鄰甲苯胺與水的重量比為1：4的比例加入反應(yīng)器中，攪拌反應(yīng)30分鐘；（2）將37％甲醛溶液稀釋至10％；（3）通過平流泵將步驟（1）中的反應(yīng)溶液和步驟（2）中的稀釋甲醛溶液分別輸送到微反應(yīng)器的兩個入口，控制鄰甲苯胺與甲醛的摩爾比為3：1；（4）在微反應(yīng)器中，兩種原料接觸、混合并反應(yīng)，反應(yīng)溫度控制在40℃，液時(shí)空速為3000h-1，反應(yīng)后的溶液從反應(yīng)器出口流出；（5）將反應(yīng)溶液冷卻至室溫，滴加氫氧化鈉水溶液調(diào)節(jié)pH至約9，析出大量白色沉淀，經(jīng)過濾、干燥得到3,3'-二甲基-4,4'-二氨基二苯甲烷（MDT）粗品；（6）粗品MDT通過乙醇重結(jié)晶，經(jīng)過濾、干燥后獲得純品MDT，摩爾產(chǎn)率為86％，純度為99％。
參考文獻(xiàn)：
[1] Patent: CN106986777, 2017, A. Location in patent: Paragraph 0043-0055; 0057; 0059; 0061; 0063; 0065
[2] Catalysis Communications, 2014, vol. 45, p. 69 - 73
[3] Journal of the American Chemical Society, 1935, vol. 57, p. 887,889
[4] Journal of the American Chemical Society, 1934, vol. 57, p. 1944
[5] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1982, vol. 21, # 8, p. 721 - 723
| 報(bào)價(jià)日期 | 產(chǎn)品編號 | 產(chǎn)品名稱 | CAS號 | 包裝 | 價(jià)格 |
| 2025/12/22 | XW08388801 | 4,4‘-二氨基-3,3‘-二甲基二苯甲烷 4,4'-diamino-3,3'-dimethyldiphenylmethane;4,4'-methylenebis-o-toluidine;4,4'-methylene-bis(2-methylaniline);4,4'-methylenedi-o-toluidine | 838-88-0 | 25G | 414元 |
| 2025/12/22 | D2046 | 4,4'-二氨基-3,3'-二甲基二苯甲烷 4,4'-Diamino-3,3'-dimethyldiphenylmethane | 838-88-0 | 25G | 2610元 |
| 2024/01/16 | XW08388802 | 4,4‘-二氨基-3,3‘-二甲基二苯甲烷 4,4'-diamino-3,3'-dimethyldiphenylmethane;4,4'-methylenebis-o-toluidine;4,4'-methylene-bis(2-methylaniline);4,4'-methylenedi-o-toluidine | 838-88-0 | 100G | 1209元 |