钨酸锂

钨酸锂 基本信息
CAS号 13568-45-1 分子式 Li2O4W
分子量 261.72000 精确质量  261.96300
PSA  80.26000 LogP  -0.47520

基本信息 展开↓

CAS号:
13568-45-1
分子式:
Li2O4W
分子量:
261.72000
中文名称:
钨酸锂
英文名称:
dilithium,dioxido(dioxo)tungsten
中文别名:
钨酸锂;
氧化钨锂
英文别名:
dilithium,dioxido(dioxo)tungsten;
dilithium dioxido(dioxo)tungsten;
AC1O1FVC;
diLithoTab tungstate;
AC1NN4QG;
Dilithium tetraoxotungstate Lithium tungsten oxide
精确分子量/精确质量:
261.96300
极性分子表面积/PSA:
80.26000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
贝尔斯坦号/MDL:
MFCD00016185
EINECS:
236-978-2
PubChem:
24864967

生产制备方法及用途展开↓

制备方法


在Li(OH)或Li2CO3溶液中溶解WO3而制得Li2WO4。

合成制备方法


在Li(OH)或Li2CO3溶液中溶解WO3而制得Li2WO4。

用途简介


物化性质展开↓

密度:
3.71 g/mL at 25 °C(lit.)
熔点:
742°C
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

避免光,明火,高温。易溶于水,在酸中分解,不溶于乙醇。在500~800℃温度下加热用H2还原成钨青铜,在加热到600℃后生成WO2,最终产物是W(β型)。

其它信息:

1.       性状:具有BeSiO3石晶格。无色三角晶。

2.       密度(g/mL,25/4℃):3.71

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):742

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:可溶解的

安全信息展开↓

WGK_Germany:
3
德国有关水污染物质的分类清单
安全说明:
S22-S24/25
安全标志:
S22:不要吸入粉尘。
S24/25:防止皮肤和眼睛接触。

化学图谱

  1. 钨酸锂红外图谱(IR1)

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毒理性展开↓

毒理学数据:

1、急性毒性: 主要的刺激性影响:

在皮肤上面:可能引起发炎;

在眼睛上面:可能引起发炎;没有已知的敏化影响。

生态数据:

通常对水体是稍微有害的,不要将未稀释或大量产品接触地下水,水道或污水系统,未经政府许可勿将材料排入周围环境。

MSDS 展开↓


Section 1: Product Identification
   Chemical Name:       Lithium tungstate, 98%    
   CAS Registry Number:       13568-45-1    
   Formula:       Li2WO4    
   EINECS Number:       236-978-2    
   Chemical Family:       metal tungstate    
   Synonym:       Tungstic acid dilithium salt    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       13568-45-1       100%       1mg/m3 (as W)       no data    

Section 3: Hazards Identification
   Lithium in soluble form is toxic to the central nervous system and on repeated ingestion may damage kidneys
   Emergency Overview:
   and act as a teratogen
   Primary Routes of Exposure:       Ingestion    
   Eye Contact:       May cause slight to mild irritation of the eyes.    
   Skin Contact:       May cause slight to mild irritation of the skin.    
   Inhalation:       Do not breath dust. May be irritating to the nose, mucous membranes and respiratory tract.    
   Ingestion:       Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions.    
   Soluble lithium is toxic to the central nervous system. May be irritating to skin, eyes and respiratory tract. It is
   Acute Health Affects:
   unknown if lithium tungstate will form soluble lithium in the gastrointestinal system.
   Chronic Health Affects:       May cause kidney damage. May be a teratogen.    
   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 protective clothes and gloves. Consult glove manufacturer to determine the proper type of glove.    
   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:       white to off-white powder    
   Molecular Weight:       261.73    
   Melting Point:       742°    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       3.71    
   Odor:       none    
   Solubility in Water:       soluble    

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 information available in the RTECS files.    
   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

分子结构与计算化学数据展开↓

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:261.962566 Da

8、标称质量:262 Da

9、平均质量:261.7196 Da

计算化学数据


1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:4

4.可旋转化学键数量:0

5.互变异构体数量:无

6.拓扑分子极性表面积80.3

7.重原子数量:7

8.表面电荷:0

9.复杂度:62.2

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:3

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