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Key Documents

8.14181

Sigma-Aldrich

Bis(2-ethylhexyl) phosphate

for synthesis

Synonym(s):

Bis(2-ethylhexyl) phosphate, HDEHP, Phosphoric acid bis (2-ethylhexyl) ester, Bis(2-ethylhexyl) phosphoric acid

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About This Item

Linear Formula:
(CH3(CH2)3CH(C2H5)CH2O)2POOH
CAS Number:
298-07-7
Molecular Weight:
322.42
MDL number:
MFCD00009492
UNSPSC Code:
12352106
EC Index Number:
206-056-4
NACRES:
NA.22

vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

200

Assay

≥95.0% (acidimetric)

autoignition temp.

255 °C

potency

4940 mg/kg LD50, oral (Rat)
1250 mg/kg LD50, skin (Rabbit)

refractive index

n25/589 1.4420

pH

3 (1 g/L in H2O)

bp

48 °C/16 hPa

mp

-50 °C

transition temp

flash point 150 °C

solubility

<1 g/L

density

0.97 g/cm3 at 20 °C

storage temp.

2-30°C

Related Categories

Application

  • Production of highly purified zirconium oxide from zircon mineral leach liquor using bis-(2-ethylhexyl) phosphate as a promising extractant: This research evaluates the feasibility of using bis-(2-ethylhexyl) phosphate for zirconium separation, demonstrating its potential in zirconium oxide production (AH Ali, 2022).
  • Optimization of indium recovery and separation from LCD waste by solvent extraction with bis (2-ethylhexyl) phosphate (D2EHPA): This study explores solvent extraction methods for indium recovery from LCD waste, highlighting the efficiency of bis(2-ethylhexyl) phosphate (J Yang, C Ekberg, T Retegan, 2014).
  • Homogeneous liquid–liquid extraction of metal ions with non-fluorinated bis (2-ethylhexyl) phosphate ionic liquids having a lower critical solution temperature: This article investigates the use of bis(2-ethylhexyl) phosphate ionic liquids for metal ion extraction, contributing to the development of more environmentally friendly extraction technologies (D Depuydt, L Liu, C Glorieux, W Dehaen, 2015).

Analysis Note

Assay (acidimetric): ≥ 95.0 %
Density (d 20 °C/ 4 °C): 0.968 - 0.975
Identity (IR): passes test

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H312 - H314

Hazard Classifications

Acute Tox. 4 Dermal - Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

266.0 °F

Flash Point(C)

130 °C

Certificates of Analysis (COA)

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