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氟硅酸鈉

 
 
單價 2.80 / 公斤對比
銷量 暫無
發貨 廣東廣州市付款后24小時內
庫存 100000公斤起訂50公斤
品牌 金正豪
型號 99%
規格 50KG/袋
過期 長期有效
更新 2017-01-03 16:51
 

廣州市金正豪化工有限公司

企業會員第14年
資料未認證
保證金未繳納
詳細說明

別名     硅氟化鈉
英文名    sodium fluorosilicate; sodium silicofluoride
分子式    Na2SiF6
分子量    188.06
物化性質】 無色六方結晶。無臭無味。有吸潮性。相對密度2.679。溶于乙醚等溶劑中,不溶于醇。在酸中的溶解度比在水中大。在堿液中分解,生成氟化物及二氧化硅。灼熱(300℃以上)后,分解成氟化鈉和四氟化硅。有毒!
用途】 用作玻璃和搪瓷的乳白劑、助溶劑、木材防腐劑、農業殺蟲劑、耐酸水泥的吸濕劑。天然乳膠制品中用作凝固劑,電鍍鋅、鎳、鐵三無鍍層中用作添加劑,還用作塑料填充劑。此外,還有于制藥和飲用水的氟化處理,及制造人造冰晶石和氟化鈉。
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