碳酸镧

碳酸镧 基本信息
CAS号 6487-39-4 分子式 CH2O3.8/3H2O.2/3La
分子量 608.00335 精确质量  607.89842
PSA  189.57000 LogP  -7.34100

基本信息 展开↓

CAS号:
6487-39-4
分子式:
CH2O3.8/3H2O.2/3La
分子量:
608.00335
中文名称:
碳酸镧
英文名称:
Carbonic acid, lanthanum(3+) salt (3:2), octahydrate (8CI,9CI)
中文别名:
碳酸镧;
八水合碳酸镧;
碳酸镧(八水);
碳酸镧水合物;
碳酸镧(水合)
英文别名:
Carbonic acid, lanthanum(3+) salt (3:2), octahydrate (8CI,9CI);
Lanthanum carbonate (La2(CO3)3) hydrate (1:8);
Lanthanum carbonate (La2(CO3)3) octahydrate;
Lanthanum carbonate hydrate (La2(CO3)3.8H2O);
Lanthanum carbonate octahydrate;
Lanthanum(3+) carbonate octahydrate
精确分子量/精确质量:
607.89842
极性分子表面积/PSA:
189.57000
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↓

外观与性状:
粉末
密度:
2.6 g/cm3

安全信息展开↓

海关代码:
2846904100
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. 碳酸镧红外图谱(IR1)

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MSDS 展开↓


Section 1: Product Identification
   Chemical Name:       Lanthanum (III) carbonate hydrate (99.9%-La) (REO)    
   CAS Registry Number:       6487-39-4    
   Formula:       La2(CO3)3.xH2O    
   EINECS Number:       none    
   Chemical Family:       metal carbonate    
   Synonym:       Carbonic acid, lanthanum III salt.    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       6487-39-4       100%       no data       no data    

Section 3: Hazards Identification
   Emergency Overview:       May be irritating to eyes, skin and respiratory tract. May be harmful if swallowed.    
   Primary Routes of Exposure:       Ingestion, inhalation    
   Eye Contact:       May cause slight to mild irritation of the eyes.    
   Skin Contact:       May cause slight to mild irritation of the skin.    
   Inhalation:       May be irritating to the nose, mucous membranes and respiratory tract.    
   Ingestion:       No information 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 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 pwdr.    
   Molecular Weight:       457.85    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       2.6-2.7    
   Odor:       none    
   Solubility in Water:       insoluble    

SECTION 10: Stability and Reactivity
   Stability:       air and moisture stable    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       Strong acids    
   Incompatibility:       mineral acids    
   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↓

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:8

3.氢键受体数量:17

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198

7.重原子数量:22

8.表面电荷:0

9.复杂度:18.8

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:13

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