Di(2-ethylhexyl) phosphoric acid (P204)
■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: -60oC; boiling point: 209oC(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 fir 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 ( N ) |
1.4438—1.4448 |
1.4434—1.4444 |
1.4430—1.4440 |