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Bis(2-ethylhexyl) phosphate CAS 298-07-7 P204/D2EHPA

Bis(2-ethylhexyl) phosphate CAS 298-07-7 P204/D2EHPA

Chemical Name: Bis(2-ethylhexyl) phosphate

Synonyms:

P204,

D2EHPA,

Di(isooctyl) phosphate,

Di(2-ethylhexyl) phosphate

CAS Number: 298-07-7

EINECS Number: 206-056-4

Molecular Formula: C₁₆H₃₅O₄P

Molecular Weight: 322.42

Appearance: Yellowish transparent oily liquid

Packaging: 200KG/drum, or customized packaging

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What is Bis(2-ethylhexyl) phosphate CAS 298-07-7:

Bis(2-ethylhexyl) phosphate CAS 298-07-7, often referred to as P204 or D2EHPA in the solvent extraction industry, is a common metal extractant used in industrial processes such as hydrometallurgy and rare-earth separation to separate and extract metal ions from solution.

Structural formula：

Description of Bis(2-ethylhexyl) phosphate CAS 298-07-7：

D2EHPA Test Items	Specifications	Results
CAS NO.	298-07-7
Appearance	Yellowish transparent oily liquid	Yellowish transparent oily liquid
Colour and Luster (Pt-Co)	≤90	65
Density (g/cm³)	0.9740 - 0.9780	0.9762
Solid Content (%)	≥99	99.79
Phase Separation Velocity (s)	≤90	58
Viscosity	40 - 45	43.2
Flash Point (°C)	≥190	202
Refractive Index	1.4432 - 1.4442	1.4439

Physical Properties:

Appearance: light yellow transparent oily liquid

Density: 0.9740 - 0.9780 g/cm³.

Solubility: soluble in organic solvents, insoluble in water

Flash point: ≥190°C

Viscosity: 40 - 45 cP

PH: 3 (< 1g/l, H2O)

Boiling point: 48 °C (12 mmHg)

Melting point: -60 °C (lit.)

Stability: chemically stable at room temperature

D2EHPA CAS 298-07-7 Uses:

Metal extractant

Extraction of non-ferrous metals: extraction of copper, zinc, nickel, cobalt and other metals.

Separation of rare earth metals: separation of rare earth elements from acidic solutions.

Organic solvent extraction: can be used in various industrial applications, such as organophosphorus pesticides, the production of chemical catalysts.