Trioctylamine

Structural formula
General
Surname	Trioctylamine
Molecular formula	C 24 H 51 N
Brief description	colorless liquid with an amine-like odor
External identifiers / databases
CAS number 1116-76-3 EC number 214-242-1 ECHA InfoCard 100.012.948 PubChem 14227 Wikidata Q27280370
properties
Molar mass	353.67 g mol −1
Physical state	liquid
density	0.81 g cm −3
Melting point	−39 ° C
boiling point	365-367 ° C
Vapor pressure	<0.01 hPa (20 ° C)
solubility	practically insoluble in water (<0.1 mg l −1 at 25 ° C) miscible with chloroform
Refractive index	1,449 (20 ° C)
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 315-319-411 P: 273-302 + 352-305 + 351 + 338
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Trioctylamine is a chemical compound from the groups of aliphatic amines and tertiary amines .

Extraction and presentation

Trioctylamine can be obtained by reacting 1-octanol with ammonia in the presence of hydrogen and a catalyst or by catalytic hydrogenation of caprylonitrile .

properties

Trioctylamine is a flammable, hardly inflammable, air-sensitive, colorless liquid with an amine-like odor, which is practically insoluble in water.

use

Trioctylamine is used as an extractant for organic acids (such as TCA, succinic acid, and acetic acid ) and precious metals (for example technetium ). It is also used as a solvent and as an intermediate in the manufacture of medicines. It is also used to produce quaternary ammonium compounds, agrochemicals, surfactants , lubricant additives, corrosion inhibitors, vulcanization accelerators and dyes.

Individual evidence

1. ↑ ^{a b c d e f g h i j} Entry on trioctylamine in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .
2. ↑ ^{a b} Data sheet Tri-n-octylamine, 95% from AlfaAesar, accessed on March 22, 2017 ( PDF )(JavaScript required) .
3. ↑ ^{a b} Data sheet Trioctylamine, 98% from Sigma-Aldrich , accessed on March 22, 2017 ( PDF ).
4. ^ Entry on trioctylamine in the Hazardous Substances Data Bank , accessed on March 22, 2017.
5. ↑ ME Volpin: Chemistry Reviews . CRC Press, 1981, ISBN 978-3-7186-0057-1 , pp. 34 ( limited preview in Google Book search).