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538140

Sigma-Aldrich

Trioctyl trimellitate

99%

Synonym(s):

TOTM, Tris(2-ethylhexyl) trimellitate

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About This Item

Linear Formula:
C6H3-1,2,4-[CO2CH2CH(C2H5)(CH2)3CH3]3
CAS Number:
3319-31-1
Molecular Weight:
546.78
Beilstein/REAXYS Number:
2683525
EC Number:
222-020-0
MDL number:
MFCD00053799
UNSPSC Code:
12162002
PubChem Substance ID:
24878304
NACRES:
NA.23

Quality Level

200

assay

99%

refractive index

n20/D 1.485 (lit.)

bp

414 °C (lit.)

density

0.99 g/mL at 25 °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

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General description

Trioctyl trimellitate (TOTM) is a flammable plasticizer used to improve the flexibility and durability of poly(vinyl chloride) (PVC).

Application

TOTM can plasticize PVC to form a nanocomposite with multi-walled carbon nanotube which can be potentially used for anti-static applications.

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, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Structure and diffusion behavior of trioctyl trimellitate (TOTM) in PVC film studied by ATR-IR spectroscopy
Lai H, et al.
Industrial & Engineering Chemistry Research, 51(27), 9365-9375 (2012)
Hierarchical nanoporous silica doped with tin as novel multifunctional hybrid material to flexible poly (vinyl chloride) with greatly improved flame retardancy and mechanical properties
Pan Y, et al.
Chemical Engineering Journal, 295(27), 451-460 (2016)
Morphology correlated free volume studies of multi-walled carbon nanotube plasticized poly (vinyl chloride) nanocomposites: Positronium probes and electrical properties
Francis E, et al.
Polymer, 141(27), 232-243 (2018)
K Rathinam et al.
Journal of applied toxicology : JAT, 10(1), 39-41 (1990-02-01)
Adult male rats receiving tris(2-ethyl hexyl)trimellitate (TOTM) intraperitoneally for seven days exhibited no significant changes in the activities of hepatic aminopyrine-N-demethylase, aryl hydrocarbon hydroxylase or glutathione-S-transferase, or in the glutathione contents. However, except for the glutathione level, the di(2-ethyl hexyl)phthalate
L M Flaminio et al.
The International journal of artificial organs, 11(6), 435-439 (1988-11-01)
In two groups of patients on chronic haemodialysis treatment, the common PVC-DEHP blood tubing was replaced with tubing containing tri-(2-ethylhexyl)-trimellate (TOTM) as plasticizer. The aim of the present study was to measure the amount of TOTM and/or its metabolites (TAE
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