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T81000

Sigma-Aldrich

Trioctylamine

98%

Synonym(s):

TOA

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About This Item

Linear Formula:
[CH3(CH2)7]3N
CAS Number:
1116-76-3
Molecular Weight:
353.67
Beilstein/REAXYS Number:
1210618
EC Number:
214-242-1
MDL number:
MFCD00009560
UNSPSC Code:
12352100
PubChem Substance ID:
24900500
NACRES:
NA.22

Quality Level

200

assay

98%

refractive index

n20/D 1.449 (lit.)

bp

164-168 °C/0.7 mmHg (lit.)
365-367 °C (lit.)

density

0.809 g/mL at 25 °C (lit.)

SMILES string

CCCCCCCCN(CCCCCCCC)CCCCCCCC

InChI

1S/C24H51N/c1-4-7-10-13-16-19-22-25(23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3

InChI key

XTAZYLNFDRKIHJ-UHFFFAOYSA-N

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Application

Trioctylamine is used as an extractant for organic acids (such as TCA, succinic acid, and acetic acid), and precious metals.

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2

flash_point_f

334.4 °F

flash_point_c

168 °C

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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M L Puttemans et al.
Journal - Association of Official Analytical Chemists, 68(1), 80-82 (1985-01-01)
The sorbate content of commercial yogurt samples is determined by reverse phase liquid chromatography following ion-pair extraction with tri-n-octylamine. Mean recoveries (70-88%), precision (1.1-3.3% RSD), and detection limit of the method are presented for sorbic acid, benzoic acid, and saccharin.
Satoshi Tsukahara et al.
Langmuir : the ACS journal of surfaces and colloids, 24(5), 1673-1677 (2008-02-02)
The dynamics of single giant deoxyribonucleic acid (T4GT7DNA, 165 600 base pairs) molecules was examined near and at the toluene/water, toluene-trioctylamine mixtures/water, and trioctylamine/water interfaces by total internal reflection fluorescence microscopy. The results were considerably affected by the trioctylamine content.
M L Puttemans et al.
Journal - Association of Official Analytical Chemists, 68(1), 143-145 (1985-01-01)
Synthetic dyes were extracted from yogurt by different methods, but all methods had in common a liberation of dyes from the food followed by ion-pair formation with tri-n-octylamine. Extraction with pH 5.5 phosphate buffer gave high recoveries for 5 of
M L Puttemans et al.
Journal - Association of Official Analytical Chemists, 66(4), 1039-1044 (1983-07-01)
Dyes are determined in gelatin-containing sweets. The gelatin must be eliminated first because it interferes with the normal ion-pair extraction of dyes with tri-n-octylamine to chloroform. Techniques such as precipitation of gelatin with organic solvents, and acid and enzymatic digestion
Enyi Ye et al.
Physical chemistry chemical physics : PCCP, 12(38), 11923-11929 (2010-09-08)
In this paper, weak acids, weak bases or their mixtures were used as reaction media/coordinating ligands to achieve systematic morphological control over amphoteric indium oxide nanostructures. Different indium/oleic acid molar ratios from 1 : 0, 1 : 1, 1 : 2, 1 : 3, 1 : 6 and 1 : 15 in
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