Niobium 铌

CAS 7440-03-1 MFCD00011126

化学结构图

7440-03-1
SMILES: [Nb]

化学属性

Mol. FormulaNb
Mol. Weight92.91
Density8.57 g/mL at 25 °C(lit.)
Boiling Point4742 °C(lit.)
Melting Point2468 °C (lit.)
TSCAYes
Stability对湿度敏感
Appearance wire 闪亮、柔软、银白色、金属。

别名和识别编码

Chemical NameNiobium
Synonym Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {} {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {} {} {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {} {} {} {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {} {} {} {} {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {} {} {} {} {} {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {} {} {} {} {} {} {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) length,99.8% (metals basis) {} {} {} {} {} {} {} {} {} {LY} Niobium rod, 1.27cm (0.5in) dia x 10cm (3.9in) l
MDL NumberMFCD00011126
PubChem Substance ID23936
CAS Number7440-03-1
EC Number231-113-5
Chemical Name Translation
Merck Number13,6584
LabNetwork Molecule IDLN02126354
InChIInChI=1S/Nb
Canonical SMILES[Nb]
信息真实价格透明    资金保障    专业采购外包团队在线服务   
信息真实价格透明    资金保障    专业采购外包团队在线服务   
品牌质保精细包装    现货库存    一流品牌服务   

分类

  • Alphabetic, Analytical Standards, Analytical/Chromatography, Application CRMs, Certified Reference Materials (CRMs), IRMM/BCR Certified Reference Materials, Industrial Raw Materials, Materials Science, Matrix CRMs, N, NA - NI, Reactor Dosimetry,

产品应用

  • 主要用于制特种不锈钢、高温合金、超导合金、超级硬质合金。

相关文献及参考

  • Short: III/13b
  • Short: III/13a
  • Short: II/5
  • Merck: 14,6556

安全信息

RTECSQT9900000
Safety Statements
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
  • S7/9 Keep container tightly closed and in a well-ventilated place 保持容器严格密闭,置于通风良好的场所;
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套;
  • S33 Take precautionary measures against static discharges 对静电采取预防措施;
  • S6 Keep under ... (inert gas to be specified by the manufacturer) 将该物质保存在生产厂家指定的惰性气体中;
  • S36 Wear suitable protective clothing 穿戴适当的防护服;
  • S17 Keep away from combustible material 远离可燃物料;
UN Number UN1790 UN 1383 4.2/PG 1 UN3089 UN2922
Risk Statements
  • R23/24/25 Toxic by inhalation, in contact with skin and if swallowed 吸入,皮肤接触及吞食都有毒
  • R34 Causes burns 会导致灼伤
  • R11 Highly flammable 非常易燃
  • R17 Spontaneously flammable in air 在空气中能够自燃
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
WGK Germanynwg
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
GHS Symbol
Hazard Codes F F,Xi
Hazard statements
  • H250 Catches fire spontaneously if exposed to air 暴露于空气自发着火
Precautionary statements
  • P222 Do not allow contact with air. 不要与空气接触。
  • P422 Store contents under… 存储目录在…之下。
  • P231 Handle under inert gas. 在惰性气体中操作。
Signal word Danger
Packing GroupIII
Storage condition RT, stored under nitrogen {LY} RT, stored under nitrogen Store at room temperature, keep dry and cool {} {LY} RT, stored under nitrogen {} {} {LY} RT, stored under nitrogen {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {
Hazard Class8
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >10 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 34(12),56,1990

TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >10 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 34(12),56,1990

TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >10 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 34(12),56,1990

TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >10 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 1

其他信息

  • Alfa Aesar:柱体铌,6.35mm(0.25in)diax6.35mm(0.25in)length,99.95%(metalsbasisexcludingTa) Niobium slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, 99.95% (metals basis excluding Ta)(7440-03-1)
  • 用途三:主要用于制特种不锈钢、高温合金、超导合金、超级硬质合金。用于ICP-AES、AAS、AFS、ICP-MS、离子色谱等。滴定分析用标准溶液。
  • 铌粉 (禁止航空运输040712)价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 51016960 铌粉 10g 70元 2011/08/23 51016963 铌粉 10g 28元 2010/06/21 317480250 铌粉 (禁止航空运输040712) Niobium 99.8%, powder, 325 mesh 25 GR 568元
  • 用途一:主要用于生产不锈钢以及制造超导磁铁等
  • MOL 文件:7440-03-1.mol
  • Sigma Aldrich:7440-03-1(sigmaaldrich)
  • 钢灰色有光泽金属。硬而有延展性。室温下在空气中稳定。加热时与卤素反应生成五卤化物。溶于氢氟酸和浓硫酸,能与氢氧化钠溶液反应。
  • Acros Organics:铌AA标液 Niobium standard solution, 1 mg/ml Nb in 5% HF, for AAS(7440-03-1)
  • 硬而有延展性。室温下在空气中稳定。加热时与卤素反应生成五卤化物。溶于氢氟酸和浓硫酸,能与氢氧化钠溶液反应。
  • 用途二:主要用于制特种不锈钢、高温合金、超导合金、超级硬质合金。
  • 下游产品:碳化铌

系列性分类


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