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Merck

93299

Tris(2-ethylhexyl) phosphate

Selectophore™, ≥99.0%

Synonym(s):

Trioctyl phosphate

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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
UNSPSC Code:
26111700
NACRES:
NB.61
PubChem Substance ID:
329770220
EC Number:
201-116-6
Beilstein/REAXYS Number:
1715839
MDL number:
MFCD00009491
Assay:
≥99.0% (GC), ≥99.0%
Form:
liquid

Key Documents

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InChI key

GTVWRXDRKAHEAD-UHFFFAOYSA-N

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

SMILES string

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

vapor pressure

2.1 mmHg ( 20 °C)

description

for ion-selective electrodes

product line

Selectophore™

assay

≥99.0% (GC), ≥99.0%

form

liquid

refractive index

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

bp

215 °C/4 mmHg (lit.)

density

0.92 g/mL at 20 °C (lit.)

suitability

corresponds to standard for filter test

Quality Level

200

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General description

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Application

Plasticizer for solvent polymeric membrane electrodes.
Tris(2-ethylhexyl) phosphate may be used as an extractant in the extraction of scandium(III) and yttrium(III) from salicylate media.

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315

Hazard Classifications

Skin Irrit. 2

Storage Class

10 - Combustible liquids

wgk

WGK 2

flash_point_f

338.0 °F

flash_point_c

170 °C

ppe

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Class I Designated Chemical Substances

prtr

Group 4: Flammable liquids + Type 3 petroleums + Hazardous rank III + Water insoluble liquid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

93299-25ML: + 93299-BULK: + 93299-VAR: + 93299-1ML: + 93299-5ML:

jan

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG2995
BCCD3689
BCCC9479
BCBT8101
BCBQ7254V

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Separation of scandium (III) and yttrium (III) by tris (2-ethylhexyl) phosphate (TEHP).
Chhatre HM and Shinde MV
Talanta, 47(2), 413-419 (1998)
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
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
Y Liu et al.
Solid state nuclear magnetic resonance, 2(6), 289-306 (1993-12-01)
31P Hahn spin echo line shape and proton line shape experiments are reported on bisphenol A polycarbonate (BPAPC)-tris(2-ethylehexyl)phosphate (TOP) systems to study the concentration and temperature dependence of the local dynamics. In an earlier 31P line shape study a lattice

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