Tributyl phosphate (TBP)
Tributyl phosphate (TBP)
■CAS No.: 126-73-8
■Molecular formula: (C4H9O)3PO
■Molecular weight: 266.32 (International Atomic Weight Table,1987)
■Molecular structure:
■Properties: Colorless and odorless transparent liquid; stable chemical properties at the normal temperature.Melting point:<-80℃;boiling point: 289℃
■Uses: It is mainly used as extracting agent for rare earth metals such as uranium, thorium, vanadium; widely used as defoaming agent in dyes, coating, petroleum drilling, paper making industry; also used as plasticizer and chemical reagent
■Package: 200kg /iron drum net each.
■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 |
AR |
Industrial grade |
|
Content ,% |
≥99.5 |
≥99.0 |
≥98.5 |
≥98.0 |
|
Density ( 20℃ ) g/ml |
0.975-0.980 |
0.974 – 0.980 |
0.973-0.978 |
---- |
|
|
1.423-1.425 |
1.423 – 1.425 |
---- |
---- |
|
Acid value (as H+,mmol KOH /100g ) |
≤0.0015 |
≤0.002 |
≤0.002 |
---- |
|
Water ,% |
≤0.05 |
≤0.10 |
≤0.10 |
---- |
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