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                精对苯二甲酸(PTA)

                CAS号100-21-0

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                CAS号100-21-0

                中文名称:精对苯二甲酸
                简称:PTA
                英文名称:Pure Terephthalic Acid
                分子式:C6H4(COOH)2
                分子量:166.13
                CAS号:100-21-0
                EINECS:202-830-0
                特性:
                白色晶体或粉■末,低毒,可燃,燃点384~421℃,升华热98.4kJ/mol,燃烧热3225.9kJ/mol,闪点 >110℃,密度1.55g/cm3。溶于碱溶≡液,微溶于热乙醇,不溶于水、乙酸乙酯、冰醋酸。
                用途:
                该产品▂是生产涤纶的主要原料,它可直々接与乙二醇酯化缩聚得到聚酯,还能制成工程聚酯◥塑料,还可作增塑剂的原料和染料中间体。

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