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237825

Sigma-Aldrich

Bis(2-ethylhexyl) phosphate

97%

Synonym(s):

Bis(2-ethylhexyl) hydrogen phosphate, Di(2-ethylhexyl) phosphate, HDEHP, HDEHPA, ‘Dioctyl’ phosphate

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About This Item

Linear Formula:
[CH3(CH2)3CH(C2H5)CH2O]2P(O)OH
CAS Number:
Molecular Weight:
322.42
Beilstein/REAXYS Number:
1712988
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

97%

form

liquid

refractive index

n20/D 1.443 (lit.)

mp

−60 °C (lit.)

solubility

ethanol: soluble 100 mg/mL, clear

density

0.965 g/mL at 25 °C (lit.)

functional group

phosphate

SMILES string

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

InChI

1S/C16H35O4P/c1-5-9-11-15(7-3)13-19-21(17,18)20-14-16(8-4)12-10-6-2/h15-16H,5-14H2,1-4H3,(H,17,18)

Inchi Key

SEGLCEQVOFDUPX-UHFFFAOYSA-N

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General description

Bis(2-ethylhexyl)phosphate (HDEHP or HDEHPA) is an organophosphorus compound that has quaternarystructure. It can be generally used as lubricant additive, antiwear additive,and surfactants.

Application

Bis(2-ethylhexyl) phosphate is used:
  • To facilitated transport of chromium(III)through activated composite membrane (ACM).

pictograms

CorrosionExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

266.0 °F

flash_point_c

130 °C

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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