ng>Cas號ng>

【7439-95-4】

ng>MDL:ng>

--MFCD00085308

ng>Beilsteinng>

4948473

ng>EINECS:ng>

--231-104-6

ng>分子式ng>

Mg

ng>分子量ng>

24.31

ng>別名ng>

鎂粉，鎂屑
Magnesium powder
Magnesium turnings

ng>分子結構式ng>

ng>性狀ng>

銀白色金屬（六方晶系）， 溶於無機酸、銨鹽類，不溶於冷水、鉻酸酐、堿。在潮濕空氣中慢慢被氧化。
熔點：648.5℃
沸點：1090℃
密度：1.74

ng>質量標準ng>

項目Item　　　　　　                            化學純    
                                                 (CP)      
含量(Mg)Assay,%　　　                          ≥ 99.5    
鹽酸溶解試驗Solubility in hydrochloric acid       合格    
氨水沉淀物Insoluble matter in ammonia          ≤ 0.3                  
鋅(Zn)Zinc,%                                   ≤ 0.05              
鐵(Fe)Iron,%                                   ≤ 0.05      
重金屬(以Pb計)Heavy metals,%                   ≤ 0.01  


項目                                            分析純  
                                                 (AR)      
含量(Mg)Assay,%　　　                          ≥ 99.5    
鹽酸溶解試驗Solubility in hydrochloric acid      合格    
氨水沉淀物Insoluble matter in ammonia          ≤ 0.1                  
鋅(Zn)Zinc,%                                   ≤ 0.01              
鐵(Fe)Iron,%                                   ≤ 0.01      
重金屬(以Pb計)Heavy metals,%                   ≤ 0.005



99.99%:

外觀Appearance                          銀白色金屬
純度Purity                              ≥99.99% Based on Trace metals Analysis
ICP Assay                               Confirms Mangesium component
總金屬雜質Total metallic impurities     200ppm by ICP Atomic emission
(Al、Ba、Ca、Cu、Fe、K、Li、Mn、Ni、Rb、Se、Sr)

ng>貯存ng>

密封充氬保存。

ng>用途ng>

還原劑，制造閃光粉，輕質合金原料，冶金脫硫劑、脫氧劑、光學鏡，制造鎂鹽，制造格氏試劑，光譜分析。用於汽車、飛機、火箭制造原料。

ng>聯合國編號ng>

1869

ng>Riskng>ng>：ng>

R11-R15-

ng>Safetyng>:

S43A-S7/8-

ng>Hazardng>:

F-