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供 二氯甲烷

 
 
單價(jià) 面議對比
詢價(jià) 暫無
發(fā)貨 山東濟(jì)南市付款后3天內(nèi)
品牌 山東
型號 75-09-2
規(guī)格 250kg/桶
過期 長期有效
更新 2010-10-22 16:55
 

濟(jì)南云翔化工有限公司

企業(yè)會員第15年
資料未認(rèn)證
保證金未繳納
詳細(xì)說明

二氯甲烷與氫氧化鈉作用生成甲醛。工業(yè)中,二氯甲烷由天然氣與氯氣反應(yīng)制得,經(jīng)過精餾得到純品,是優(yōu)良的有機(jī)溶劑,常用來代替易燃的石油醚、乙醚等,并可用作牙科局部麻醉劑、制冷劑和滅火劑等。對皮膚和粘膜的刺激性比氯仿稍強(qiáng),使用高濃度二氯甲烷時(shí)應(yīng)注意。

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