838-88-0
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'-亚甲基双(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
物理化学性质
| 熔点 | 155-157 °C |
| 沸点 | 357.94°C (rough estimate) |
| 密度 | 0.9543 (rough estimate) |
| 蒸气压 | 1.8hPa at 205.5℃ |
| 折射率 | 1.5000 (estimate) |
| 储存条件 | Keep in dark place,Inert atmosphere,Room temperature |
| 溶解度 | 可溶于氯仿(少许)、甲醇(少许) |
| 水溶解性 | 不溶于水 |
| 酸度系数(pKa) | 5.18±0.25(Predicted) |
| 形态 | neat |
| 颜色 | 白色至浅黄色至浅橙色 |
| BRN | 398069 |
| 主要应用 | cleaning products cosmetics environmental food and beverages personal care |
| InChI | 1S/C15H18N2/c1-10-7-12(3-5-14(10)16)9-13-4-6-15(17)11(2)8-13/h3-8H,9,16-17H2,1-2H3 |
| InChIKey | WECDUOXQLAIPQW-UHFFFAOYSA-N |
| SMILES | Cc1cc(Cc2ccc(N)c(C)c2)ccc1N |
| CAS 数据库 | 838-88-0(CAS DataBase Reference) |
| (IARC)致癌物分类 | 2B (Vol. 4, Sup 7) 1987 |
| EPA化学物质信息 | 4,4'-Methylenebis(2-methylaniline) (838-88-0) |
安全数据
| 危险性符号(GHS) | ![]() ![]() ![]() GHS07,GHS08,GHS09 |
| 警示词 | 危险 |
| 危险性描述 | H302-H317-H350-H410 |
| 防范说明 | P202-P273-P280-P301+P312-P302+P352-P308+P313 |
| 危险品标志 | T,N |
| 危险类别码 | R45-R22-R43-R50/53 |
| 安全说明 | S53-S45-S60-S61 |
| 危险品运输编号 | UN 3077 9/PG 3 |
| WGK Germany | 3 |
| RTECS号 | BY5300000 |
| F | 10-23 |
| TSCA | TSCA listed |
| REACH 注册登记 | Active |
| 危险等级 | 6.1(b) |
| 包装类别 | III |
| 海关编码 | 29215900 |
| 存储类别 | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| 危险性类别 | Acute Tox. 4 Oral Aquatic Acute 1 Aquatic Chronic 1 Carc. 1B Skin Sens. 1 |
应用领域
制备方法
50-00-0
95-53-4
838-88-0
(1)将邻甲苯胺、水和37%盐酸按邻甲苯胺与盐酸的摩尔比为1:1.2,邻甲苯胺与水的重量比为1:4的比例加入反应器中,搅拌反应30分钟;(2)将37%甲醛溶液稀释至10%;(3)通过平流泵将步骤(1)中的反应溶液和步骤(2)中的稀释甲醛溶液分别输送到微反应器的两个入口,控制邻甲苯胺与甲醛的摩尔比为3:1;(4)在微反应器中,两种原料接触、混合并反应,反应温度控制在40℃,液时空速为3000h-1,反应后的溶液从反应器出口流出;(5)将反应溶液冷却至室温,滴加氢氧化钠水溶液调节pH至约9,析出大量白色沉淀,经过滤、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通过乙醇重结晶,经过滤、干燥后获得纯品MDT,摩尔产率为86%,纯度为99%。
参考文献:
[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
图谱信息
4,4'-二氨基-3,3'-二甲基联苯基甲烷(838-88-0)质谱(MS)4,4'-二氨基-3,3'-二甲基联苯基甲烷(838-88-0)核磁图(1HNMR)4,4'-二氨基-3,3'-二甲基联苯基甲烷(838-88-0)核磁图(13CNMR)4,4'-二氨基-3,3'-二甲基联苯基甲烷(838-88-0)红外图谱(IR1)4,4'-二氨基-3,3'-二甲基联苯基甲烷(838-88-0)红外图谱(IR2)知名试剂公司产品信息
4,4'-二氨基-3,3'-二甲基联苯基甲烷价格(试剂级)
| 报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
| 2026/09/15 | D2046 | 4,4'-二氨基-3,3'-二甲基联苯基甲烷 4,4'-Diamino-3,3'-dimethyldiphenylmethane | 838-88-0 | 5G | 690元 |
| 2026/09/15 | 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 |
| 2026/09/15 | 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 |


