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首頁 > 供應產品 > 硫氰酸鈉
硫氰酸鈉
單價 面議對比
詢價 暫無
發貨 遼寧沈陽市付款后3天內
過期 長期有效
更新 2012-05-03 17:22
 
詳細信息

英文名:Sodium Thiocyanate   

    化學式:NaSCN

  分子量:81.07 

  CAS NO: 540-72-7 HS NO:28380000

  白色結晶固體,易溶于水、乙醇、丙酮.比重1.735。熔點287℃時分解出硫化物、氮化物和氰化物。與酸和強氧化劑反應。白色斜方晶系結晶或粉末,相對密度1.735,熔點約為287℃,易溶于水、乙醇、丙酮等溶劑,水溶液呈中性。

       與鐵鹽溶液反應生成血紅色的硫氰化鐵,與亞鐵鹽無反應。與濃硫酸生成黃色的硫酸氫鈉。與鈷鹽作用生成深藍色的硫氰化鈷,與銀鹽作用生成白色的硫氰化銀,與銅鹽作用生成黑色的硫氰化銅沉淀。在空氣中易潮解。有毒,慢性中毒出現甲狀腺損傷,空氣中最高容許濃度50mg/m3。

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