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◆ Tributyl phosphats
————————————————————————————————————
Short name :TBP
Jolecular formula:C12H27O4P
Molecular weight: 266.32
Constitutional formula:
     C4H9
         |
         O
         |
C4H9--O--P--O--C4H9
        ‖
         O 		Character:Colourless or light yellow liquid, dissolve in many kinds of organic solvent,but uneasy in water. Use :Chemical reagent, painting additive, defoamer, adhesive , printing ink solvent, additive, plasticizer for celluiose nitrate, chlorinated rubber and PVC, for extraction in separating rare- earth metal, organic synthetic intermediate.
Index name
Export grade
Chemically pure
Analytically pure
industrial grade
Appearance
colourless and transparent liquid
Specific gravity
20℃
0.974～0.980
0.974～0.980
0.974～0.980
0.850～0.982
Refractive index nD20
———
———
———
1.3950～1.4400
Acid mgKOH/g≤
0.1
0.5
0.1
———
Moisture content%≤
0.1
0.3
0.1
———
Content%≥
99.0
97
98.5
———
Colour APHA≤
10
20
20
38
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