Di(2-ethylhexyl) phosphoric acid

■CAS No.:298-07-7

■Molecular formula:(C₈H₁₇O)₂PO₂H

■Molecular weight:322.42 (International Atomic Weight Table,1987)

■Molecular structure:

■Properties:Colorless or yellowish transparent viscous oily liquid; soluble to alcohol and some other organic solvents.Freezing point: -60^oC; boiling point: 209^oC(10mm Hg)

■Uses:It is a kind of acid phosphorous-type extracting agent,widely used as extracting agent for non-ferrous and rare earth metals.

■Package:200kg /Plastic drum net each.1000L/IBC drum.

■Storage and transportation:Handle with care,no vigorous strike is permitted.Deposited in shady,airy and dry warehouse.Keep away from fire and rain.

■Quality index:

Item	Specific grade	Premium grade	Industrial grade
Content, %	≥97.0	≥95.0	≥93.0
Mono octyl Ester, %	≤1.5	≤2.0	≤2.5
Chroma ( Pt-Co )	≤100	≤100	≤150
Phase separation speed ( S )	≤60	≤100	≤150
Acid value ( mg KOH /g )	150—189	159—189	159—189
Density ( 20℃) g/ml	0.9740—0.9780	0.9736—0.9756	0.9715—0.9735
Viscosity μ²⁰CPS	42±3	42±3	42±5
Flash Point ( open cup )℃	≥190	≥160	≥150
Refractive Index C^D2₀	1.4438—1.4448	1.4434—1.4444	1.4430—1.4440

Properties

It can be used as rare earth extractant and surfactant. This product is an acidic phosphorus extractant, which is mainly used for the extraction and separation of rare metals and rare earths. It can also be used in medicine, printing and dyeing, youyou chemical wastewater treatment and other industries.

CAS No.

298-07-7

Formula

C16H35O4P

Molecular Mass

322.42000

Exact Mass

322.22700

PSA

65.57000

Logp

5.55280