10025-90-8

• 常用中文名：氯化镨七水合物
• 常用英文名：praseodymium chloride heptahydrate
• CAS号：10025-90-8
• 分子式：CH₁₅Cl₃O₇
• 分子量：245.48500
• 相关类别： 无机化工 无机盐 金属卤化物及卤酸盐 金属氯化物及盐
• 发布时间：2018-07-22 17:00:40
• 更新时间：2024-01-17 13:31:35

名称

• 中文名: 三氯化镨七水
• 英文名: praseodymium(3+),trichloride,heptahydrate
• 英文别名: PRASEODYMIUM CHLORIDE HEPTAHYDRATE; PRASEODYMIUM CHLORIDE HYDRATE; praseodymiumchlorideheptahydrate99.9; PRASEODYMIUM CHLORIDE,HYDROUS

物化性质

• 密度: 2.25 g/cm3
• 熔点: 115ºC
• 分子式: CH₁₅Cl₃O₇
• 分子量: 245.48500
• 精确质量: 243.98800
• PSA: 64.61000
• LogP: 1.53630
• 外观性状: crystal | green
• 储存条件:

  2-8°C密闭、阴凉干燥处

• 稳定性:

  易吸湿，溶解度334g/100g H2O(13℃)。180～200℃下在HCl气流中加热可以脱掉七个水。

• 水溶解性: 334g/100mL H2O (13°C) [CRC10]
• 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：371.888111 Da

  8、标称质量：372 Da

  9、平均质量：373.3736 Da

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:7

  3.氢键受体数量:10

  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7

  7.重原子数量:11

  8.表面电荷:0

  9.复杂度:0

  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:11

• 更多:

  1. 性状：绿色晶体

  2. 密度（g/mL,25℃）：2.250

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）： 115

  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）：未确定

  11. 蒸气压（kPa,20ºC）：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：未确定

MSDS

Section 1: Product Identification Chemical Name:Praseodymium (III) chloride heptahydrate (99.9%-Pr) (REO) CAS Registry Number:10025-90-8 Formula:PrCl3.7H2O EINECS Number:233-794-4 Chemical Family:metal halide Synonym:Praseodymium trichloride, hexahydrate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound10025-90-8100%no datano data Section 3: Hazards Identification Emergency Overview:Irritating to skin and eyes. Inhalation can lead to irritation of the respiratory tract. Primary Routes of Exposure:Ingestion, inhalation Eye Contact:Causes mild irritation to the eyes. Skin Contact:Causes 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 in humans Acute Health Affects:Irritating to skin and eyes. 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:Material is non-flammable. 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 Spill and Leak Procedures:Small spills can be mixed with vermiculite or sodium carbonate powder and swept up. SECTION 7: Handling and Storage Handling and Storage:Store material 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 appropriate chemical resistant gloves and protective clothing. Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood. If ventilation is not available, a respirator should be worn. The use of respirators requires a Respiratory Respirator: Protection Program to be in compliance with 29 CFR 1910.134. Ventilation:Material may form a fine dust. 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:green xtl. Molecular Weight:247.27(373.38) Melting Point:115° Boiling Point:no data Vapor Pressure:no data Specific Gravity:2.25 Odor:none Solubility in Water: SECTION 10: Stability and Reactivity Stability:hygroscopic Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:none Incompatibility:Active metals Decomposition Products:none SECTION 11: Toxicological Information RTECS Data:No information available in the RTECS files. Carcinogenic Effects:No data available Mutagenic Effects:No data available Tetratogenic Effects:No data available 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

安全

• 危害码 (欧洲): Xi: Irritant;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): 26-36-37/39
• RTECS号: TU0175000
• 海关编码: 28469025

制备

适量镨氧化物溶解于过量的2mol/L HCl中，煮沸使进一步浓缩后，在盛无水硫酸钙的保干器中放置数星期后析出晶体。