Overview
Dimethylaminopropylamine (DMAPA) is an organic compound belonging to the class of alkylamines. It serves as a crucial intermediate in specialty chemical synthesis due to its bifunctional nature containing both primary and tertiary amine groups. The compound was first commercialized in the mid-20th century and has since become indispensable in multiple industrial sectors. Its production typically involves the reaction of dimethylamine with acrylonitrile followed by hydrogenation.
Physical and Chemical Properties
DMAPA exhibits typical amine characteristics with a strong ammonia-like odor. The liquid has low viscosity and high volatility at room temperature. Chemically, it's highly reactive, particularly in nucleophilic substitution reactions and as a ligand in coordination chemistry. Its alkaline nature (pKb ~3.5) makes it effective in pH adjustment applications. The compound forms stable complexes with transition metals, which is exploited in various catalytic processes. The dual reactivity of its amine groups allows for selective functionalization in synthetic pathways.
Main Applications
The largest application of DMAPA is in surfactant production, particularly for betaine-type amphoteric surfactants used in personal care products. These surfactants offer excellent foaming and mildness properties in shampoos and body washes. In industrial applications, DMAPA derivatives serve as effective corrosion inhibitors in cooling systems and oilfield chemicals. The pharmaceutical industry utilizes it as a building block for drug synthesis, including local anesthetics and antihistamines. Recent developments include its use in epoxy resin formulations and as a crosslinking agent in polymer chemistry.
Safety and Storage
DMAPA requires careful handling due to its corrosive nature and volatility. Proper PPE including chemical goggles, gloves, and vapor respirators must be used. Storage tanks should be nitrogen blanketed to prevent moisture absorption and oxidation. In case of spills, absorb with inert material and neutralize with dilute acid. Firefighting requires alcohol-resistant foam as water may spread the fire. The compound is classified as harmful if swallowed or inhaled (H302, H312, H314), requiring appropriate hazard labeling on all containers.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO 9001 certification and batch-wise quality control documentation. Key specifications to verify include amine value (typically 980-1020 mg KOH/g) and water content (<0.5%). Bulk procurement (20+ metric tons) generally offers 15-20% cost advantage over drum quantities. Consider regional production in Asia, Europe and North America, with logistics costs varying significantly. Just-in-time delivery models are recommended due to the compound's limited shelf stability in humid environments.
Related Manufacturers
- 主营：异丙醇铝、纳米勃姆石、隐色结晶紫、全氟三丁胺、二苄叉山梨醇、六氟丙烯二聚体、六氟环氧丙烷二聚体、二异戊基硫醚、邻菲罗啉
- 主营：杜仲素、对位酯、丙烯酸酯、二氧化硫脲、二苯基硅二醇、乙基麦芽酚、饲料添加剂、油酸基硬脂酸
- 主营：化学品、香精香料、试剂、二甲基共聚硅氧烷、中间体、有机硅、橡胶树脂、催化剂、纳米材料
- 主营：油基伯胺、正辛胺、1-氨基辛烷、十二叔胺、十二胺、二甲基丙二胺、双氢化牛脂基二甲基氯、双癸基二甲基氯化铵、十六烷基三甲基氯化铵、十二烷基三甲基氯化铵、二丙烯三胺、N-甲基单乙醇胺、四甲基丙二胺、四甲基乙二胺、十二/十四叔胺、辛烷基二甲基叔胺、癸烷基二甲基叔胺、双辛/癸基甲基叔胺、双辛基甲基叔胺、三辛烷基叔胺、3-甲氧基丙胺、十八胺、椰油烷基伯胺
- 主营：甘氨酸、海藻糖、钙钛矿、氟苯基、油胺碘、硅酸锆、甘油醚、青霉素、状结晶、酒石酸、抗氧剂、钛白粉、凉味剂、晶粉末、硫酸钯、苯乙酮、白色粉、中间体、山梨醇、淡奶油、2-[[(3ar、2-氯烟酸、聚氯乙烯、清澈液体、白色细粉
- 主营：递送辅料、dlin-mc3-dma、peg衍生物
- 主营：无氟防水剂、碳六防水剂、防水剂、水性防水剂、油性防水剂、C6防水剂、C8防水剂、C0防水剂、碳八防水剂、防水助剂、防水整理剂、开油水、稀释剂、清洗剂、天那水、洗网水、防虹吸、防泼水、动态防水、除油剂、除锈剂、飞织防水、网布防水、鞋面防水
- 主营：甲酸镍、水苏糖、阻燃剂、柠檬醛、西瓜酮、氢醌酯、卡必醇、消泡剂、磷酸铁、肉桂醇、肉桂醛、碳酸镉、磷酸铝、银墨水、椰油胺、封装胶、化合物、桦木油、稀释剂、羟乙基、乙硫氮、润肤剂、球虫酯、矮壮素、异龙脑
- 主营：全氟三丁胺、木质素、吉氏色素
- 主营：离子液体、咪唑、催化剂、5-二甲基吡唑、全氟辛基三甲氧基硅烷、阻燃剂、正丁醇锆、四氟硼酸锂、香兰基丁醚、氟化物、丙酮肟、双酚E型氰酸酯、叔丁基乙烯基醚、钯碳催化剂、钛硅分子筛、硫酸烟酰苯胺、丙酮缩氨基硫脲
- 主营：磷钼酸、艾拉莫德中间体、光引发剂、6-二羟基吲哚、甲基丙二酸、聚二羟基吲哚、2-辛基十二醇、甲基丙烯酸氧杂环丁烷、苯芴醇、溴芬酸钠中间体、樟脑醌、钼酸钾、丝素蛋白、盐酸胍、β-丙氨酸甲酯盐酸盐、7-去氢胆固醇、甘氨胆酸钠盐、半叶素、胆固醇、蛋白酶K、D-荧光素钾盐、光引发剂LAP、BIS-TRIS
- 主营：有机原料、中间体、香精香料、催化剂、有机硅、表面活性剂
- 主营：UV单体、阻燃剂、增塑剂、科孚乐二乙烯三氨、光引发剂、生物化工中间体
- 主营：4-D钠盐、单辛酸甘油酯、辛酸镁盐、N-甲基硫脲、N-甲基吡咯烷酮、N-甲基邻氨基苯甲酸甲酯、三硫代碳酸钠、8-辛二醇、羟丙基纤维素、菜籽油甲酯、硫酸烟酰苯胺、离子液体、咪唑、表面活性剂、光引发剂、紫外线吸收剂、UV单体
- 主营：阳离子季铵盐、1-氨基辛烷、A8 胺辛烷、十二烷基伯胺、三甲基氯化铵、鲸熔三甲基溴化铵、十八烷基三甲基氯化铵、N-甲基单乙醇胺、十六烷基二甲基叔胺、十二烷基二亚丙三胺、甲基椰油酰基牛磺酸钠、氯化双癸基二甲基铵、椰油二胺、西曲溴铵、椰油胺聚氧乙烯、聚氨酯催化剂、A12、脂肪胺聚氧乙烯醚、椰油基仲胺、双椰油烷基胺、抗氧化剂、十八烷基伯胺、异癸氧基丙胺