Phthalic anhydride
Maleic anhydride
2-ethylhexyl
Fumaric acid

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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