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Dibutyl phthalate
DBP is a main plasticizer with strong intermiscibity and widely used in the manufacture of soft PVC plastic product, synthetic rubber and some celluloses(paint binder).
molecular formula: C16H22O4
molecular weight: 278.35
Quality Standards of dibutyl phthalate GB11405-89
Item |
Index |
Top grade |
First grade |
Qualified product |
Appearance |
transparent oily liquid without impurities |
Chroma, (Co-Pt)≤ |
20 |
25 |
60 |
Ester1), %≥ |
99.5 |
99.0 |
99.0 |
Density(¦Ñ20), g/cm3 |
1.044~1.048 |
1.044~1.048 |
1.044~1.048 |
Acid(phthalic acid), %≤ |
0.010 |
0.015 |
0.030 |
Loss on heat, %≤ |
0.3 |
0.5 |
0.7 |
Flash point, °C≥ |
160 |
160 |
160 |
Chroma after heat treatment, (Co-Pt)≤ |
100 |
- |
- |
Note£º1)Ester is random inspection for it is guarantee Index. |
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