13465-19-5

• 常用中文名：七水合溴化镧(III)
• 常用英文名：lanthanum(iii) bromide heptahydrate
• CAS号：13465-19-5
• 分子式：Br₃H₁₄LaO₇
• 分子量：504.72400
• 发布时间：2018-05-01 08:00:00
• 更新时间：2024-07-18 13:22:45

名称

• 中文名: 溴化镧七水
• 英文名: lanthanum(iii) bromide heptahydrate
• 中文别名: 溴化镧(七水)
• 英文别名: LANTHANUM BROMIDE HEPTAHYDRATE; LanthanumbromideheptahydrateREOwhitextl

物化性质

• 分子式: Br₃H₁₄LaO₇
• 分子量: 504.72400
• 精确质量: 501.73500
• PSA: 64.61000
• LogP: 2.08670
• 储存条件: 室温
• 分子结构:

  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:

  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

• 更多:

  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

MSDS

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 IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound13465-19-5100%no datano 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 andnone 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

毒性和生态

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。