氧化钨铈

  • 基本信息
  • 制备方法及用途
  • 物化性质
  • 安全信息
  • 毒理性
  • MSDS
  • 结构与计算化学

氧化钨铈 基本信息

中文名称:
氧化钨铈 
中文别名:
氧化钨铈;
钨酸铈(III) 
英文名称:
Cerium (III) tungstate
英文别名:
CERIUM TUNGSTATE;
Ceriumtungstateoffwhitepowder;
Cerium tungsten oxide (REO);
dicerium tritungsten dodecaoxide;
Cerium tungsten oxide;
CERIUM TUNGSTEN OXIDE;
ceriumtungstenoxide(ce2w3o12);
CERIUM (III) TUNGSTATE;
CEROUS TUNGSTATE;
Cerium (III) tungstate,( Ce) (REO) 
CAS No.:
13454-74-5
分 子 式:
Ce2O12W3
分 子 量:
1023.74
精确分子量:
1023.60000
PSA:
240.78000
MDL:
MFCD00049725
EINECS:
236-639-9
风险术语:
R43
安全术语:
S36
分子结构式:
SDS:
查看

氧化钨铈 制备方法及用途

制备方法

将Ce2O3、CeO2与WO3混合加热制取钨酸亚铈。

合成制备方法

将Ce2O3、CeO2与WO3混合加热制取钨酸亚铈。

用途简介

氧化钨铈 物化性质

熔点:
350ºC
存储条件/存储方法:

常温密闭,阴凉通风干燥

稳定性相关:

常温常压下稳定

避免的物料 酸 碱。黄色四方晶系,相对密度6.77,熔点1089℃,在30K以下具有铁磁性。

其它信息:

1.       性状:黄色四方晶系。

2.       密度(g/mL,25/4℃):6.77

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):1089

5.       沸点(ºC,常压):未确定

6.       沸点(ºC,5.2kPa):未确定

7.       折射率:未确定

8.       闪点(ºC):未确定

9.       比旋光度(º):未确定

10.    自燃点或引燃温度(ºC):不适用的

11.    蒸气压(kPa,25ºC):未确定

12.    饱和蒸气压(kPa,60ºC):未确定

13.    燃烧热(KJ/mol):未确定

14.    临界温度(ºC):未确定

15.    临界压力(KPa):未确定

16.    油水(辛醇/水)分配系数的对数值:未确定

17.    爆炸上限(%,V/V):未确定

18.    爆炸下限(%,V/V):未确定

19.    溶解性:不能溶解的

氧化钨铈 安全信息

危险类别码:
R43
安全说明:
36
安全标志:
S36:穿戴合适的防护服装。
危险标志:
Xi: Irritant;

氧化钨铈 毒理性

毒理学数据:

1、急性毒性:主要的刺激性影响:

在皮肤上面:刺激皮肤和粘膜;

在眼睛上面:刺激的影响;没有已知的敏化影响。

2、致敏作用:通过吸入可能造成敏化作用,通过皮肤接触可能造成敏化作用。

生态数据:

通常对水是不危害的,若无政府许可,勿将材料排入周围环境

氧化钨铈 MSDS


Section 1: Product Identification
   Chemical Name:       Cerium (III) tungstate (99.9%-Ce) (REO)    
   CAS Registry Number:       13454-74-5    
   Formula:       Ce2(WO4)3    
   EINECS Number:       236-639-9    
   Chemical Family:       metal tungstate    
   Synonym:       Tungstic acid cerium salt (3:2)    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       13454-74-5       100%       5mg/m3 (as W -insoluble)       no data    

Section 3: Hazards Identification
   Emergency Overview:       Irritating to skin, eyes and respiratory tract. May be harmful if swallowed.    
   Primary Routes of Exposure:       Ingestion    
   Eye Contact:       Causes slight to mild irritation of the eyes.    
   Skin Contact:       Causes slight to mild irritation of the skin.    
   Inhalation:       Irritating to the nose, mucous membranes and respiratory tract.    
   Ingestion:       No information on the physiological effects of ingestion.    
   Acute Health Affects:       Irritating to skin, eyes and respiratory tract.    
   Chronic Health Affects:       No information available on long-term chronic effects.    
   NTP:       No    
   IARC:       No    
   OSHA:       No    

SECTION 4: First Aid Measures
   Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
   Eye Exposure:
   assistance in keeping their eye lids open. Get immediate medical attention.
   Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
   Skin Exposure:
   irritation persists.
   Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
   Inhalation:
   in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
   Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
   Ingestion:
   vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
   Flash Point:       not applicable    
   Autoignition Temperature:       none    
   Explosion Limits:       none    
   Extinguishing Medium:       none required    
   If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
   Special Fire Fighting Procedures:
   breathing apparatus and full protective clothing.
   Hazardous Combustion and       None    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
   Spill and Leak Procedures:       Small spills can be mixed with powdered sodium carbonate or ground limestone and swept up.    

SECTION 7: Handling and Storage
   Handling and Storage:       Store material in a tightly sealed bottle away from moisture.    

SECTION 8: Exposure Controls and Personal Protection
   Eye Protection:       Always wear approved safety glasses when handling a chemical substance in the laboratory.    
   Skin Protection:       Wear appropriate chemical resistant gloves and protective clothing.    
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a
   Respirator:
   Respirator Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

SECTION 9: Physical and Chemical Properties
   Color and Form:       off-white pwdr.    
   Molecular Weight:       1023.79    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       not applicable    
   Specific Gravity:       no data    
   Odor:       none    
   Solubility in Water:

SECTION 10: Stability and Reactivity
   Stability:       air and moisture stable    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       none    
   Incompatibility:       none    
   Decomposition Products:       none    

SECTION 11: Toxicological Information
   RTECS Data:       No specific information available on this product.    
   Carcinogenic Effects:       no data    
   Mutagenic Effects:       no data    
   Tetratogenic Effects:       no data    

SECTION 12: Ecological Information
   Ecological Information:       No information available    

SECTION 13: Disposal Considerations
   Disposal:       Dispose of according to local, state and federal regulations.    

SECTION 14: Transportation
   Shipping Name (CFR):       Non-hazardous    
   Hazard Class (CFR):       NA    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       NA    
   UN ID Number (CFR):       NA    
   Shipping Name (IATA):       Non-hazardous    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       NA    

SECTION 15: Regulatory Information
   TSCA:       Listed in the TSCA inventory.    
   SARA (Title 313):       Title compound not listed    
   Second Ingredient:       none    


SECTION 16 - ADDITIONAL INFORMATION
N/A

氧化钨铈 分子结构与计算化学数据

分子结构数据

1、摩尔折射率:无可用的

2、摩尔体积(cm3/mol):无可用的

3、等张比容(90.2K):无可用的

4、表面张力(dyne/cm):无可用的

5、介电常数:无可用的

6、极化率(10-24cm3):无可用的

7、单一同位素质量:1023.602545 Da

8、标称质量:1024 Da

9、平均质量:1023.7448 Da

计算化学数据

1、   氢键供体数量:0

2、   氢键受体数量:9

3、   可旋转化学键数量:0

4、   拓扑分子极性表面积(TPSA):9

5、   重原子数量:13

6、   表面电荷:-12

7、   复杂度:0

8、   同位素原子数量:0

9、   确定原子立构中心数量:0

10、   不确定原子立构中心数量:0

11、   确定化学键立构中心数量:0

12、   不确定化学键立构中心数量:0

13、   共价键单元数量:13

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北京浩克科技有限公司

产品介绍:
产品名称:氧化钨铈 Cas号:13454-74-5 纯度: 包装信息:洽谈 价格:洽谈
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阿法埃莎(天津)化学有限公司

产品介绍:
产品名称:氧化钨铈 Cas号:13454-74-5 纯度: 包装信息:洽谈 价格:洽谈
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