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對苯二酚,鄰苯二酚,對羥基苯甲醚,對甲氧基苯酚,對叔丁基鄰苯二酚,阻聚劑MEHQ,阻聚劑TBC

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首頁 > 供應產品 > 鄰苯二酚
鄰苯二酚
單價 面議對比
詢價 暫無
發貨 江蘇常州市付款后3天內
品牌 羅地亞
過期 2012-06-27 已過期
更新 2012-07-02 09:45
該化工產品已過期
詳細信息

兒茶酚,分子式為1,2-(HO)2C6H4,兒茶酚多數以衍生物的形式存在于自然界中。例如,鄰甲氧基酚和2-甲氧基-4-甲基苯酚,是山毛櫸雜酚油的重要成分。哺乳動物體內的擬交感胺,如腎上腺素、去甲腎上腺素等是兒茶酚的苯環上帶有一個β-羥基乙胺側鏈的化合物(結構式如)。兒茶酚為無色結晶;熔點105℃,沸點245℃(750毫米汞柱),密度1.1493克/厘米3(21℃);溶于水、醇、醚、氯仿、吡啶、堿水溶液,不溶于冷苯中;可水汽蒸餾,能升華。

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