溴化镧七水

溴化镧七水 基本信息
CAS号 13465-19-5 分子式 Br3La.7H2O
分子量 504.72130 精确质量  501.73532
PSA  64.61000 LogP  2.08670

基本信息 展开↓

CAS号:
13465-19-5
分子式:
Br3La.7H2O
分子量:
504.72130
中文名称:
溴化镧七水
英文名称:
Lanthanum bromide (LaBr3), heptahydrate (8CI,9CI)
中文别名:
溴化镧七水;
溴化镧(七水)
英文别名:
Lanthanum bromide (LaBr3), heptahydrate (8CI,9CI);
Lanthanum tribromide heptahydrate
精确分子量/精确质量:
501.73532
极性分子表面积/PSA:
64.61000
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。

物化性质展开↓

其它信息:

1.       性状:无色晶体

2.       密度(g/mL,25/4):未确定

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):未确定

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

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: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。

MSDS 展开↓


Section 1: Product Identification
   Chemical Name:       Lanthanum (III) bromide heptahydrate (99.9%-La) (REO)    
   CAS Registry Number:       13465-19-5    
   Formula:       LaBr3.7H2O    
   EINECS Number:       none    
   Chemical Family:       metal halide    
   Synonym:       Lanthanum tribromide    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       13465-19-5       100%       no data       no data    

Section 3: Hazards Identification
   May be mildly irritating to skin and eyes. Inhalation of dust may lead to irritation of the respiratory tract. May
   Emergency Overview:
   be harmful if swallowed.
   Primary Routes of Exposure:       Contact with skin and eyes. Inhalation of dust.    
   Eye Contact:       May be a mild irritant to the eyes.    
   Skin Contact:       May cause slight irritation of the skin.    
   Inhalation:       Inhalation of dust can lead to irritation of the respiratory tract.    
   Ingestion:       No information is available on the physiological effects of ingestion.    
   Acute Health Affects:       May be 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 a sodium sulfate solution as
   Ingestion:
   antidote as directed by medical personnel.

SECTION 5: Fire Fighting Measures
   Flash Point:       not applicable    
   Autoignition Temperature:       none    
   Explosion Limits:       none    
   Extinguishing Medium:       none required    
   Special Fire Fighting Procedures:       No special fire fighting procedures required.    
   Hazardous Combustion and       none    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
   To avoid raising dust, small spills may be mixed with diatomaceous earth, sand, vermiculite or other suitable
   Spill and Leak Procedures:
   inert material and swept up.

SECTION 7: Handling and Storage
   Handling and Storage:       Store solid in a tightly sealed container.    

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.    
   If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators
   Respirator:
   requires a 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 xtl.    
   Molecular Weight:       378.63 (504.74)    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       not applicable    
   Specific Gravity:       no data    
   Odor:       none    
   Solubility in Water:       very soluble    

SECTION 10: Stability and Reactivity
   Stability:       air and moisture stable    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       none    
   Incompatibility:       chlorine    
   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:       Not 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:501.735292 Da

8、标称质量:502 Da

9、平均质量:504.7244 Da

计算化学数据


1.疏水参数计算参考值(XlogP):4.7

2.氢键供体数量:0

3.氢键受体数量:1

4.可旋转化学键数量:5

5.互变异构体数量:无

6.拓扑分子极性表面积3.2

7.重原子数量:19

8.表面电荷:0

9.复杂度:247

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:1

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