Tellurium Dioxide 二氧化碲

CAS 7446-07-3 MFCD00011263

化学结构图

7446-07-3
SMILES: O=[Te]=O

化学属性

Mol. FormulaO2Te
Mol. Weight159.60
Density5.67
Melting Point733
TSCAYes
SolubilityPractically insoluble in water. Soluble in NaOH solutions and HCl
Boiling Point1245°C
Stability对湿度敏感

别名和识别编码

Chemical NameTellurium Dioxide
MDL NumberMFCD00011263
PubChem Substance ID354334236
CAS Number7446-07-3
EC Number231-193-1
Merck Number9123
Synonym Tellurium dioxide {LY} Tellurium dioxide {} {LY} Tellurium dioxide {} {} {LY} Tellurium dioxide {} {} {} {LY} Tellurium dioxide {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Tellurium dioxide {} {} {} {} {} {} {} {} {} {} {} {} {} {
Beilstein Registry Number2384789
Chemical Name Translation二氧化碲
Wiswesser Line NotationTE O2
Reaxys-RN13136448
LabNetwork Molecule IDLN00195894
Canonical SMILESO=[Te]=O
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分类

  • {SNA} Materials Science, Metal and Ceramic Science, Oxides, Te, Tellurium, Ultra-High Purity Materials
  • {SNA} Metal and Ceramic Science, Oxides, Te,
  • {SNA} Materials Science, Metal and Ceramic Science,
  • {SNA} Metal and Ceramic Science, Oxides, Tellurium, 材料科学

产品应用

  • 制备亚碲酸盐。发射光谱分析。电子元件材料。防腐剂。
  • 二氧化碲是碲的氧化物,由碲在空气中燃烧或被热硝酸氧化而成。碲和它的化合物是电子工业中半导体的材料。另外,还可以作电镀液中的光亮剂、石油裂化的催化剂、陶瓷和玻璃的着色剂。它添加到钢材中能增加延性。添加到铅中以增加强度和耐腐蚀性,它还是橡胶的硫化剂。还是制造光敏电阻、光电池的材料。

相关文献及参考

  • Short: II/25A
  • Short: III/29a
  • Merck: 14,9123

安全信息

WGK Germany2
RTECSWY2675000
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Signal word Warning
GHS Symbol
Safety Statements
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
Precautionary statements
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P201 Obtain special instructions before use. 使用前获取专门指示。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
  • P405 Store locked up. 上锁保管。
  • P262 Do not get in eyes, on skin, or on clothing. 不要接触眼睛,皮肤或衣服。
  • P305+P351+P338+P337+P313
  • P202 Do not handle until all safety precautions have been read and understood. 已阅读并理解所有的安全预防措施之前,切勿操作。
  • P308+P313
  • P302+P352+P332+P313+P362+P364
UN Number 3284 UN 3284 6.1/PG 3
Storage condition 2-8°C, protect from light, stored under nitrogen {LY} 2-8°C, protect from light, stored under nitrogen {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, protect from light, stored under nitr
Packing GroupII
Hazard Class6.1(a)
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 324 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SMSJAR Scottish Medical and Surgical Journal.  (Edinburgh, Scotland)  For
   publisher information, see SMDJAK.  Volume(issue)/page/year: 26,131,1826

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intratracheal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 80 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - dyspnea
   Kidney, Ureter, Bladder - other changes
   Gastrointestinal - other changes
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   39,100,1978

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   TNONF* TNO-report.  (TNO Nutrition and Food Research, P.O. Box 360, 3700 AJ
   Zeist, Utrechtseweg 48, 3704 HE Zeist, Netherlands) Volume(issue)/page/year:
   TNO-96-514

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 798 mg/kg
SEX/DURATION            : female 15-19 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - eye/ear
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 29(2),50A,1984

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 27930 ug/kg
SEX/DURATION            : female 15-19 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
   per # born alive)
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 31,66A,1985

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 399 mg/kg
SEX/DURATION            : female 15-19 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 29(2),50A,1984

TYPE OF TEST            : TDLo - Lowest published toxic d

Hazard statements
  • H315 Causes skin irritation 会刺激皮肤

其他信息

  • MSDS 信息:二氧化碲(7446-07-3).msds
  • 外观性质:白色结晶粉末, 无臭。
  • 图谱信息:二氧化碲(7446-07-3)红外图谱(IR1)
  • MOL 文件:7446-07-3.mol
  • 用途一:用作电子元件材料及防腐剂,还用于菌苗中的细菌检验
  • 溶于氢氧化钠溶液和盐酸,并形成复盐。几乎不溶于氨水,水中溶解度1:150000。450℃开始升华。有毒。
  • 加热变成黄色,熔融呈暗黄红。溶于氢氧化钠溶液和盐酸,并形成复盐。几乎不溶于氨水,水中溶解度1:150000。有毒。
  • Alfa Aesar:二氧化碲,tech. Tellurium(IV) oxide, tech.(7446-07-3)
  • 二氧化碲价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 80121964 二氧化碲;氧化碲(IV);亚碲酐 25g 150元 2010/06/21 222590500 二氧化碲 Tellurium(IV) oxide 99+% 50 GR 1041元 2010/06/21 222592500 二氧化碲 Tellurium(IV) oxide 99+% 250 GR 4064元
  • Sigma Aldrich:7446-07-3(sigmaaldrich)
  • 用途二:制备亚碲酸盐。发射光谱分析。电子元件材料。防腐剂。二氧化碲是碲的氧化物,由碲在空气中燃烧或被热硝酸氧化而成。碲和它的化合物是电子工业中半导体的材料。另外,还可以作电镀液中的光亮剂、石油裂化的催化剂、陶瓷和玻璃的着色剂。它添加到钢材中能增加延性。添加到铅中以增加强度和耐腐蚀性,它还是橡胶的硫化剂。还是制造光敏电阻、光电池的材料。
  • Acros Organics:Tellurium(IV) oxide, 99.9995%(7446-07-3)

系列性分类


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