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二氯甲烷

 
 
單價 面議對比
詢價 暫無
發(fā)貨 北京付款后24小時內(nèi)
過期 長期有效
更新 2013-12-16 17:06
 

北京隆城集團(tuán)實業(yè)有限公司

企業(yè)會員第15年
資料未認(rèn)證
保證金未繳納
  • 北京
  • 上次登錄 2013-12-16
  • 吳志剛 (先生)   經(jīng)理
詳細(xì)說明

二氯甲烷
化學(xué)   CH2Cl2   相對分子質(zhì)量  84.93
性狀無色液體。有醚樣氣味。易揮發(fā)。其氣體不燃燒,與空氣混合也不爆炸。能與乙醇、乙醚和N,N-二甲基甲酰胺混溶,溶于約50份水中。相對密度(d204)1.3255。凝固點(diǎn)-95℃。沸點(diǎn) 39.75℃。折光率(n20D)1.4244。低毒,半數(shù)致死量(大鼠,經(jīng)口)2524mg/kg。高濃度蒸氣有麻醉性。有刺激性。
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