Germanium 锗

CAS 7440-56-4 MFCD00085310

化学结构图

7440-56-4
SMILES: [GeH4]

化学属性

Mol. FormulaGe
Mol. Weight72.64
Boiling Point2830 °C at 760 mmHg
Density5.35 g/mL at 25 °C(lit.)
Melting Point937 °C
TSCAYes
Stability对湿度敏感
Appearance 5.35, 溶于浓硫酸、硝酸、王水中，不溶于水、碱。 25 powder 为灰白色金属。熔点937.4℃。沸点2830℃。相对密度d 29

别名和识别编码

Chemical NameGermanium
CAS Number7440-56-4
PubChem Substance ID6326954
EC Number231-164-3
MDL NumberMFCD00085310
Synonym Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {LY} Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {} {LY} Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {} {} {LY} Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {} {} {} {LY} Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {} {} {} {} {LY} Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {} {} {} {} {} {LY} Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {} {} {} {} {} {} {LY} Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {} {} {} {} {} {} {} {LY} Germanium rod, polycrystalline, 6.35mm (0.25in) dia*10cm length, 99.9999% (metals basis) {} {} {} {} {} {} {} {} {LY} Germanium rod, polycrystalline
Chemical Name Translation锗
Merck Number13,4419
LabNetwork Molecule IDLN01871758
InChIInChI=1S/Ge
Canonical SMILES[Ge]
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

  • {SNA} 3D Printing Materials for Research and Development, Alternative Energy, Ge, Germanium, Metal and Ceramic Science, Metals, Metals for 3D Printing, Thermoelectric Materials, Thermoelectric Precursors, Ultra-High Purity Materials, 材料科学
  • {SNA} Alternative Energy, Germanium, Materials Science,
  • {SNA} Alternative Energ
  • {SNA} Alternative Energy, Germanium, Metal and Ceramic Science, Metals, Thermoelectric Materials, Thermoelectric Precursors, 材料科学
  • {Chemicalbook} 无机化工产品: 无机盐: Cu单质
  • Ge, Germanium, Materials Science, Metal and Ceramic Science, Metals,

产品应用

  • 高纯度锗是半导体材料，掺有微量特定杂质的锗单晶可用于制各种晶体管、整流器及其他器件，作为温差电池材料用于制太阳能电池、光电池，用于制热敏电阻、薄膜电阻、半导体温度计、专门透过红外线的锗窗、棱镜或透镜等。锗的化合物用于制荧光板及各种高折光率玻璃。

相关文献及参考

  • Short: III/14a
  • Merck: 14,4407
  • Short: II/5
  • Short: III/21a

安全信息

GHS Symbol
WGK Germany3
Hazard Codes F F,Xi F;Xi Xi
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H228 Flammable solid 易燃固体
Personal Protective Equipment Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges dust mask type N95 (US), Eyeshields, Gloves
RTECSLY5200000
Precautionary statements
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P305+P351+P338
Signal word Danger Warning
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；
  • S2 Keep out of the reach of children 避免儿童触及；
  • S36/39 Wear suitable protective clothing and eye/face protection 穿戴适当的防护服和眼睛/面保护；
Packing GroupIII
UN Number UN 3089 4.1/PG 2 3089 UN3264
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R36/38 Irritating to eyes and skin 对眼睛和皮肤有刺激性
  • R11 Highly flammable 非常易燃
  • R20/21/22 Harmful by inhalation, in contact with skin and if swallowed 吸入、皮肤接触和不慎吞咽有害
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 nitro
Hazard Class8 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - child
DOSE/DURATION           : 2 gm/kg/78W-I
TOXIC EFFECTS :
   Gastrointestinal - nausea or vomiting
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Kidney, Ureter, Bladder - changes in both tubules and glomeruli
REFERENCE :
   JJMDAT Japanese Journal of Medicine.  (Nankodo Co., Ltd., POB 5272, Tokyo
   International 100-31, Japan)  V.1-30, 1962-1991.  For publisher information,
   see IEDIEP.  Volume(issue)/page/year: 30,67,1991

TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3860 mg/m3/4H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   28,571,1990

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 58 mg/kg/26W-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
REFERENCE :
   JJMDAT Japanese Journal of Medicine.  (Nankodo Co., Ltd., POB 5272, Tokyo
   International 100-31, Japan)  V.1-30, 1962-1991.  For publisher information,
   see IEDIEP.  Volume(issue)/page/year: 30,67,1991

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 786 mg/kg/2Y-I
TOXIC EFFECTS :
   Gastrointestinal - nausea or vomiting
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosi

其他信息

  • Alfa Aesar:锗片,3-9mm(0.1-0.4in),99.999%(metalsbasis) Germanium pieces, 3-9mm (0.1-0.4in), 99.999% (metals basis)(7440-56-4)
  • MOL 文件:7440-56-4.mol
  • 方法一:工业生产有坩埚直拉法和悬浮区熔法。 坩埚直拉法 拉晶前先将设备各部件、合金石英坩埚、高纯锗和籽晶进行清洁处理。将高纯锗经配料和掺杂，加入单晶炉的合金石英坩埚中，再经抽真空、熔化，在流通的氩气气氛下，人工引晶放肩和收尾。晶体的等径生长过程中，需根据情况适当调节功率，使其获得直径均匀的产品。经检测、称量，制得锗单晶成品。
  • 质脆，晶体锗具有金刚石结构，室温下在空气中较稳定，在高温下能被氧化。粉状锗可在氯或溴中燃烧。不溶于水和盐酸及稀硫酸。能溶于浓硝酸、浓硫酸或王水。不溶于稀苛性碱溶液；可溶于熔融的苛性碱、硝酸盐或碳酸盐，生成锗酸盐。能跟硫化合生成硫化锗。
  • 毒性:能刺激皮肤、黏膜和眼睛，空气中最大容许浓度(以Ge计)为1 mg/m 3 。生产人员应穿工作服，戴口罩和乳胶手套等劳保用品。
  • 用途一:用于提纯锗及半导体工业
  • Acros Organics:锗 Germanium, pieces, irregular, 99.999%(7440-56-4)
  • 在高温下能被氧化。粉状锗可在氯或溴中燃烧。不溶于水和盐酸及稀硫酸。能溶于浓硝酸、浓硫酸或王水。不溶于稀苛性碱溶液；可溶于熔融的苛性碱、硝酸盐或碳酸盐，生成锗酸盐。能跟硫化合生成硫化锗。
  • 用途三:高纯度锗是半导体材料，掺有微量特定杂质的锗单晶可用于制各种晶体管、整流器及其他器件，作为温差电池材料用于制太阳能电池、光电池，用于制热敏电阻、薄膜电阻、半导体温度计、专门透过红外线的锗窗、棱镜或透镜等。锗的化合物用于制荧光板及各种高折光率玻璃。
  • 锗价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 51009760 锗粉 2g 62元 2010/06/21 193110100 锗 Germanium 99.999%, powder 10 GR 1724元 2010/06/21 193110500 锗 Germanium 99.999%, powder 50 GR 6782元
  • 室温下在空气中较稳定，在高温下能被氧化。粉状锗可在氯或溴中燃烧。不溶于水和盐酸及稀硫酸。能溶于浓硝酸、浓硫酸或王水。不溶于稀苛性碱溶液；可溶于熔融的苛性碱、硝酸盐或碳酸盐，生成锗酸盐。能跟硫化合生成硫化锗。
  • 银白色有光泽金属，质脆，室温下在空气中较稳定，在高温下能被氧化。粉状锗可在氯或溴中燃烧。不溶于水和盐酸及稀硫酸。能溶于浓硝酸、浓硫酸或王水。不溶于稀苛性碱溶液；可溶于熔融的苛性碱、硝酸盐或碳酸盐，生成锗酸盐。能跟硫化合生成硫化锗。
  • 用途四:高纯度锗是半导体材料，掺有微量特定杂质的锗单晶可用于制各种晶体管、整流器及其他器件，作为温差电池材料用于制太阳能电池、光电池，用于制热敏电阻、薄膜电阻、半导体温度计、专门透过红外线的锗窗、棱镜或透镜等。锗的化合物用于制荧光板及各种高折光率玻璃。用于ICP-AES、AAS、AFS、ICP-MS、离子色谱等。滴定分析用标准溶液。
  • 参考质量标准:国家标准GB 5238—85 导电型号 掺杂剂 电阻率范围/(Ω?cm) 直径/mm 长度/mm P Ca 0.1-45 28-40 40-100 P In 0.1-45 28-40 40-100 P Au+Cu(In) 0.5-5 ＞20 40-100 N Sb 0.1-45 28-40 40-120
  • 上游原料:二氧化硅 --> 氩 --> 高纯
  • 下游产品:胰岛素 --> 胰酶 --> 糜胰蛋白酶
  • Sigma Aldrich:7440-56-4(sigmaaldrich)
  • 用途二:制造半导体器件用。
  • TSCA:Yes

系列性分类

  1. Materials Science 材料科学
  2. Metal and Ceramic Science Products 金属和陶瓷科学
  3. Ultra-High Purity Materials - Metal and Ceramic Science
  1. Materials Science 材料科学
  2. Metal and Ceramic Science Products 金属和陶瓷科学
  3. Ultra-High Purity Materials - Metal and Ceramic Science
  4. Ge - Ultra-High Purity Materials
  1. Materials Science 材料科学
  2. Metal and Ceramic Science Products 金属和陶瓷科学
  3. Metals - Metal and Ceramic Science
  4. Germanium - Metals
  1. Chemical Synthesis 化学合成
  2. Catalysis and Inorganic Chemistry 催化剂和无机化学
  3. 医药合成催化剂

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