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Phthalic Acid Esters
Ⅰ Chemical formula and molecular weight
●Chemical formula:C16H22O4
●Molecular weight:278.35
●CAS No.:84-69-5
Ⅱ Properties and uses
●Colourless,transparent oily liquid,b.p.327℃,viscosity 30 c.p.（20℃）,refractive index 1.490（20℃）.
●The plasticizing effect is similar to DBP,but a little higher volatility and water-extraction than DBP,also used as a substitute of DBP,extensively used in cellulosic resins,ethylenic resins and in rubber industry.
●It is poisonous to agricultural plants,so is not allowed in PVC film production for agricultural use.
Ⅲ Quality standard
| Specification |
First Grade |
Qualified Grade |
|
Colourity（Pt-Co）,code No. ≤ |
30 |
100 |
|
Acidity（calculated as phthalic acid）,%≤ |
0.015 |
0.030 |
|
Density,g/cm3 |
1.040±0.005 |
|
|
Ester content,% ≥ |
99.0 |
99.0 |
|
Flash point,℃ ≥ |
155 |
150 |
|
Weight-loss after heating,% ≤ |
0.7 |
1.0 |
Ⅳ Package and storage
●Packed in iron drum,net weight 200 kg/drum.
●Stored at dry,shady,ventilated place. Prevented from collision and sunrays,rain-attack during handling and shipping.
●Met the high hot and clear fire or contact the oxidizing agent,caused the burning danger.
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