Tris(2-aminoethyl)amine synthesis
- Product Name:Tris(2-aminoethyl)amine
- CAS Number:4097-89-6
- Molecular formula:C6H18N4
- Molecular Weight:146.23
817-09-4
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4097-89-6
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$10.00/1g
Yield:4097-89-6 92.3%
Reaction Conditions:
Stage #1:tris-(2-chloroethyl)amine hydrochloride with ammonium hydroxide in ethanol at 70; for 7 h;
Stage #2: with sodium hydroxide; pH=10
Steps:
1; 2; 3
130 g of aqueous ammonia was added to a 250 ml three-necked flask, and 48.2 g of the above tris(2-chloroethyl)amine hydrochloride was dissolved in 100 g of ethanol, stirred, and heated at 70 ° C in an oil bath to keep the solution refluxed.The reaction was refluxed for 7 hours. The color of the reaction liquid gradually changed from colorless to dark brown. After the reaction is completed,The solvent and residual ammonia water were removed by rotary evaporation to give a dark brown viscous material.It was dissolved in 100 ml of absolute ethanol, and after freezing, ammonium chloride solid was precipitated and suction filtered.Collect the filtrate, add an appropriate amount of sodium hydroxide, and adjust the pH to about 10,The reaction gave tris(2-aminoethyl)amine, which was distilled under reduced pressure and collected at 5 kp.The fraction at 140 to 150 ° C is tris(2-aminoethyl)amine.After weighing and calculation, the yield of tris(2-aminoethyl)amine was 92.3%.
References:
Anhui Technology Da Chemical Technology Co., Ltd.;Ye Mingfu;Xia Guowei;Xu Lixin;Song Fengfa;Wan Chao CN109516919, 2019, A Location in patent:Paragraph 0025; 0027; 0028; 0030; 0031; 0033
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