ChemicalBook CAS DataBase List Triethylenediamine

Triethylenediamine synthesis

13synthesis methods

Product Name:Triethylenediamine
CAS Number:280-57-9
Molecular formula:C6H12N2
Molecular Weight:112.17

Triethylenediamine can be produced from ethylenediamine or ethanolamine, diethanolamine, or diethylenetriamine with a variety of different catalysts.

103-76-4
533 suppliers
$6.00/25g

280-57-9
608 suppliers
$5.00/5g

Yield:280-57-9 76%

Reaction Conditions:

with aluminum phosphate molded body in water at 380;

Steps:

2 Example 2 Preparation of a bicyclic amine (boiling point 174 ° C.) in which Y and R 1 to R 8 are hydrogen atoms in the above formula (2).

As raw materials, in the above formula (1), when X is an amino group, A 10% by weight aqueous solution was prepared using aminoethyl piperazine (commercially available product) in which Y is a hydrogen atom and R1 to R8 are hydrogen atoms. In a reaction tube made of SUS, a ceramic ball as a catalyst holding agent, After filling 200 cc of a molded body of H type zeolite (ZSM - 5) as a solid catalyst, A raw material aqueous solution was fed at 3.0 cc / min and reacted at a catalyst layer temperature of 380 ° C. [Gas-liquid separation step] At the outlet of the reaction tube, a gas-liquid separator made of SUS filled with a demister mesh (H-STYLE: manufactured by Nihon Mesh Kogyo Co., Ltd.) was installed and the temperature of the device was adjusted within the temperature range of Table 1. The internal temperature of the gas-liquid separator was set at 140 ° C or more and 300 ° C or lessUsing the commercially available hydroxyethylpiperazine having R1 to R8 as a hydrogen atom and using 200 cc of aluminum phosphate molded product as a catalyst, the target product was taken and quantitated in the same manner as in Example 1 to determine the chromaticity Was evaluated. The yield of the bicyclic amine compound and the Gardner color number for each internal temperature of the gas-liquid separator are shown in Table 2.

References:

JP2015/151368,2015,A Location in patent:Paragraph 0051-0054; 0055-0057