白色粉末。 不溶于水，难溶于酸，能溶于熔融硫酸氢钾或碱金属的碳酸盐、氢氧化物中
熔点  1520 °C  
密度  4.47 g/mL at 25 °C(lit.)

99.9%:
 
 
外观Appearance                         类白色粉末
X-射线衍射分析X-Ray Diffraction        Conforms to Structure
纯度Purity                             ≥99.9%  
干燥损失Loss on Ignition (Typically)   ≤0.50 % (1 hr @ 1000 ℃)
ICP:                                   Confirms
痕量金属杂质Trace Metal Analysis      ≤2000.0 ppm
 
 
99.99% metals basis:
 
外观Appearance                          白色粉末或结晶
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based On Trace Metals Analysis of ICP
ICP Assay                               Confirms Hafnium component
痕量金属分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission
(B、Cr、Cu、Fe、Pb、Mg、Mn、Ni、Ti、V)
 
 
99.95%,冶金级
 
外观Appearance                          白色粉末或结晶
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.95% Based On Trace Metals Analysis of ICP
ICP Assay                               Confirms Hafnium component
痕量金属分析Trace Metal Analysis        ≤500ppm by ICP Atomic emission
(B、Cr、Cu、Fe、Pb、Mg、Mn、Ni、Ti、V)
 
 
电子级99.98%
 
外观Appearance                          白色粉末或结晶
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.98% Based On Trace Metals Analysis of ICP
ICP Assay                               Confirms Hafnium component
痕量金属分析Trace Metal Analysis        ≤200ppm by ICP Atomic emission
(B、Cr、Cu、Fe、Pb、Mg、Mn、Ni、Ti、V)

安全说明  26-36-37/39 
    
WGK Germany  -
    
RTECS  QU0500000
    
危险品标志  Xi 
    
危险类别码  36/37/38  

用途1  用作生产金属铌的原料，也用于光学玻璃及电子工业 
    
用途2  用作拉铌酸镍单晶，制特种光学玻璃、高频和低频电容器及压电陶瓷元件。也用于生产铌铁和特殊钢需要的各种铌合金。是制取铌及其化合物的原料。还用作催化剂、耐火材料。 
    
密封保存