Triethylamine
Categories:
Pharmaceutical intermediate
Key words:
Triethylamine
Colorless oily liquid
Product details
| name |
Triethylamine |
alias | N. N-diethylethylamine |
| chemical formula |
C6H15N |
CAS No | 121-44-8 |
| appearance | Colorless oily liquid | Solubility | Slightly soluble in water, soluble in ethanol, ether, acetone and other organic solvents |
Purpose:
It is mainly used as solvent, polymerization inhibitor, antiseptic and synthetic dye.
Preparation method:
It can be prepared by the reaction of ethanol and ammonia. Ethanol and liquid ammonia are gasified in the presence of hydrogen, and then enter the preheater (150 ± 5 ℃) for preheating, and then enter the first reactor (190 ± 2 ℃) and the second reactor (165 ± 2 ℃) with copper nickel clay catalyst for synthesis to generate a mixture of monoethylamine, diethylamine and triethylamine. After condensation, they are sprayed and absorbed by ethanol to obtain crude triethanolamine. Finally, they are separated, dehydrated and fractionated, and the 88-90 ℃ fraction is collected to obtain triethylamine. Raw material consumption quota: ethanol (95%) 2300kg/t, liquid ammonia (99%) 500kg/t, hydrogen (99%) 150 standard cubic meters/t.
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