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Supelco

Tris(2-ethylhexyl) trimellitate

Selectophore™

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About This Item

Empirical Formula (Hill Notation):
C33H54O6
CAS Number:
3319-31-1
Molecular Weight:
546.78
Beilstein/REAXYS Number:
2683525
EC Number:
222-020-0
MDL number:
MFCD00053799
UNSPSC Code:
26111700
PubChem Substance ID:
329769868

grade

for ion-selective electrodes

Quality Level

200

product line

Selectophore™

form

liquid

density

0.990 g/mL at 20 °C (lit.)

SMILES string

CCCCC(CC)COC(=O)c1ccc(C(=O)OCC(CC)CCCC)c(c1)C(=O)OCC(CC)CCCC

InChI

1S/C33H54O6/c1-7-13-16-25(10-4)22-37-31(34)28-19-20-29(32(35)38-23-26(11-5)17-14-8-2)30(21-28)33(36)39-24-27(12-6)18-15-9-3/h19-21,25-27H,7-18,22-24H2,1-6H3

InChI key

KRADHMIOFJQKEZ-UHFFFAOYSA-N

General description

Tris(2-ethylhexyl) trimellitate (TOTM) is a plasticizer mostly used for PVC based medical devices.[1]
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Application

Plasticizer for solvent polymeric membrane electrodes
TOTM has been used as reference fluid for viscosity measurements using vibrating wire viscometer, to evaluate its use as a lubricant in the polymer industry.[2]

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

505.4 °F - closed cup

flash_point_c

263 °C - closed cup

ppe

Eyeshields, Gloves

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Determination of tris (2-ethylhexyl) trimellitate released from PVC tube by LC?MS/MS.
Ito, Rie, et al.
International Journal of Pharmaceutics, 360.1, 91-95 (2008)
Tris (2-ethylhexyl) trimellitate (TOTM) a potential reference fluid for high viscosity. Part I: Viscosity measurements at temperatures from (303 to 373) K and pressures up to 65MPa, using a novel vibrating-wire instrument.
Diogo, Jo?o CF, et al.
Fluid Phase Equilibria, 384, 50-59 (2014)
Robyn J Wright et al.
Environmental science & technology, 54(4), 2244-2256 (2020-01-03)
Many commercial plasticizers are toxic endocrine-disrupting chemicals that are added to plastics during manufacturing and may leach out once they reach the environment. Traditional phthalic acid ester plasticizers (PAEs), such as dibutyl phthalate (DBP) and bis(2-ethyl hexyl) phthalate (DEHP), are
Christine Höllerer et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1061-1062, 153-162 (2017-07-25)
A new and fast HPLC-method for the simultaneous determination of tri-(2-ethylhexyl) trimellitate (TOTM or TEHTM), its diesters 2,4-di-(2-ethylhexyl) trimellitate (2,4-DEHTM), 1,4-di-(2-ethylhexyl) trimellitate (1,4-DEHTM), 1,2-di-(2-ethylhexyl) trimellitate (1,2-DEHTM) and monoesters 1-mono-(2-ethylhexyl) trimellitate (1-MEHTM), 2-mono-(2-ethylhexyl) trimellitate (2-MEHTM) and 4-mono-(2-ethylhexyl) trimellitate (4-MEHTM) together with
J R Hodgson
Toxicology and industrial health, 3(2), 49-61 (1987-06-01)
The results of these studies demonstrate that Tri(2-ethylhexyl)trimellitate (TOTM) produces the sam spectrum of morphological and biochemical changes in the rat liver as di(2-ethylhexyl)phthalate (DEHP). TOTM, however, was much less potent in its action, with a dietary level of 2.0%
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