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isophthalic acid
间苯二甲酸
白色结晶性粉末或针状结晶。易溶于醇和冰醋酸，微溶于沸水但不溶于冷水，几乎不溶于苯和石油醚。熔点为345～348℃，相对水的密度为1.507。易燃，毒性低，能升华。又称异酞酸、1,3-苯二甲酸。
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