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289922

Sigma-Aldrich

Tris(2-ethylhexyl) phosphate

97%

Synonym(s):

‘Trioctyl’ phosphate

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Estimated to ship onNovember 17, 2025fromMILWAUKEE

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About This Item

Linear Formula:
[CH3(CH2)3CH(C2H5)CH2O]3P(O)
CAS Number:
78-42-2
Molecular Weight:
434.63
Beilstein/REAXYS Number:
1715839
EC Number:
201-116-6
MDL number:
MFCD00009491
UNSPSC Code:
12352100
PubChem Substance ID:
24857416
NACRES:
NA.22

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vapor pressure

2.1 mmHg ( 20 °C)

Quality Level

200

assay

97%

refractive index

n20/D 1.444 (lit.)

bp

215 °C/4 mmHg (lit.)

density

0.92 g/mL at 20 °C (lit.)

functional group

phosphate

SMILES string

CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC

InChI

1S/C24H51O4P/c1-7-13-16-22(10-4)19-26-29(25,27-20-23(11-5)17-14-8-2)28-21-24(12-6)18-15-9-3/h22-24H,7-21H2,1-6H3

InChI key

GTVWRXDRKAHEAD-UHFFFAOYSA-N

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1 of 4

This Item
932998.21202CDS000393
Tris(2-ethylhexyl) phosphate 97%

Sigma-Aldrich

289922

Tris(2-ethylhexyl) phosphate

Tris(2-ethylhexyl) phosphate Selectophore™, ≥99.0%

Supelco

93299

Tris(2-ethylhexyl) phosphate

Tris(2-ethylhexyl) phosphate for synthesis

Sigma-Aldrich

8.21202

Tris(2-ethylhexyl) phosphate

Tris(2-ethylhexyl) phosphite AldrichCPR

Sigma-Aldrich

CDS000393

Tris(2-ethylhexyl) phosphite

assay

97%

assay

≥99.0% (GC)

assay

≥98.0% (GC)

assay

-

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

-

refractive index

n20/D 1.444 (lit.)

refractive index

n20/D 1.443, n20/D 1.444 (lit.)

refractive index

-

refractive index

-

density

0.92 g/mL at 20 °C (lit.)

density

0.92 g/mL at 20 °C (lit.)

density

0.92 g/cm3 at 20 °C

density

-

bp

215 °C/4 mmHg (lit.)

bp

215 °C/4 mmHg (lit.)

bp

210 °C/5 hPa (decomposes)

bp

-

vapor pressure

2.1 mmHg ( 20 °C)

vapor pressure

2.1 mmHg ( 20 °C)

vapor pressure

<0.01 hPa ( 20 °C)

vapor pressure

-

General description

Tris(2-ethylhexyl) phosphate exhibits glucocorticoid receptor (GR) antagonistic activity[1].

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315

Hazard Classifications

Skin Irrit. 2

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2

flash_point_f

338.0 °F

flash_point_c

170 °C

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB3610
STBL0512
STBL0776
STBL3258
STBB4114V

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Hiroyuki Kojima et al.
Toxicology, 314(1), 76-83 (2013-09-21)
Various organophosphate flame retardants (OPFRs) are widely used in building materials, textiles and electric appliances, and have been reported to cause indoor environmental pollution in houses and office buildings. In this study, using cell-based transactivation assays, we characterized the agonistic
M B Gholivand et al.
Analytica chimica acta, 584(2), 302-307 (2007-03-28)
A novel potentiometric zirconium--PVC matrix membrane sensor incorporating bis(diphenylphosphino) ferrocene as an electroactive material and tris(2-ethylhexyl)phosphate as solvent mediator is described. In mixed acetate buffer solution of pH 4.8, the sensor displays a rapid and linear response for zirconium ion
W M Kluwe
Environmental health perspectives, 65, 271-278 (1986-03-01)
Chronic toxicity and carcinogenicity studies of several phthalic acid esters (PAEs) and compounds containing a 2-ethylhexyl moiety were conducted in Fischer 344 rats and B6C3F1 (hybrid) mice. The compounds studied were phthalic anhydride, di(2-ethylhexyl) phthalate, butyl benzyl phthalate, diallyl phthalate
René González-Albarrán et al.
Environmental pollution (Barking, Essex : 1987), 258, 113474-113474 (2019-12-21)
Recently polymer inclusion membranes (PIMs) have been proposed as materials for passive sampling, nonetheless a theoretical base to describe the mass transfer process through those materials, under such conditions of monitoring, has not been elucidated. Under the assumption that: (i)
Michihiro Kamijima et al.
[Nihon koshu eisei zasshi] Japanese journal of public health, 52(12), 1021-1031 (2006-02-07)
2-Ethyl-1-hexanol (2E1H) is a volatile organic compound (VOC) which seldom attracts attention in Japan. This study aimed at clarifying changes in its concentration over time, emission sources, and students' symptoms in classrooms of a university building where indoor air was
View All Related Papers

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