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龍膽酸 cas#490-79-9

 
 
單價 面議對比
詢價 暫無
發貨 湖北武漢市付款后3天內
過期 長期有效
更新 2014-03-12 17:38
 

武漢昌達順科技有限公司

企業會員第12年
資料未認證
保證金未繳納
詳細說明
龍膽酸
中文同義詞: 2,5-二羥基苯甲酸;5-羥基水楊酸;龍膽酸;氫醌羧酸;2,5-二羥基苯甲酸(龍膽酸);龍膽酸/2,5-二羥基苯甲酸;2,5-二羥苯甲酸;龍膽酸
英文名稱: 2,5-Dihydroxybenzoic acid
英文同義詞: 2,5-Dhba;2,5-dihydroxy-benzoicaci;2,5-Dioxybenzoic acid;5-Hydroxysalicylic acid;5-hydroxy-salicylicaci;5-hydroxysalicylicacid;acido2,5-diidrossibenzoico;Benzoic acid, 2,5-dihydroxy-
分子式: C7H6O4
分子量: 154.12
EINECS號: 207-718-5
CAS號: 490-79-9
熔點:204-208°C(lit.)
標準:企標
龍膽酸原料含量:99%
性狀:龍膽酸原料為黃白粉末。龍膽酸原料溶于水、乙醇和yimi,難溶于lv仿、苯和二硫化碳。龍膽酸在150℃以上長時間加熱則分解為二氧化碳和氫醌,在空氣中不穩定。龍膽酸遇三氯化鐵呈藍色。
用途:龍膽酸 (2,5-二羥基苯甲酸;2,5-dihydroxybenzoic acid)是一種多羥基酸,龍膽酸
是水楊酸經腎代謝之后的次要產物(1%)。龍膽酸本身是一種解熱鎮痛藥,也用作醫藥中間體。
包裝:25kg/桶
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