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Phthalic Acid Esters
Ⅰ Chemical formula and molecular weight
●Chemical formula:C24H38O4
●Molecular weight:330.56
●CAS No.:84-61-7
Ⅱ Properties and uses
●sightly aromatic white crystallize powder,b.p. 218℃（5mmHg）,viscosity
223 c.p.（60℃）,kindling point 240℃.
●Soluble in common organic solvents as acetone,aether,butanol,methyl benzene,difficultli soluble in water. Good compatibility with most of resins such as cellulose acetate,polyvinyl chloride,polystyrene,sulfur rubber.
●Used as main plasticizer for polyvinyl chloride,cellulose resins.
Ⅲ Quality standard
| Specification |
First Grade |
|
Acid value,mgKOH/g ≤ |
0.20 |
|
Ester content,% ≥ |
99.0 |
|
Melting point,℃ ≥ |
58 |
|
Weight-loss after heating,% ≤ |
0.30 |
Ⅳ Package and storage
●Packed in weave bag or fiber drum,net weight 20 or 25 kg/bag or 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.
●If skin get in touch with,taking off the contaminated clothes,washed off with plenty of water and soap water thoroughly. If the eye get in touch with,rinsed out with plenty of water with the eyelid held wide open immediately for fifteen minutes. Get medical aid.
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