10277-44-8

• 常用中文名：硫酸镨
• 常用英文名：PRASEODYMIUM SULFATE HYDRATE
• CAS号：10277-44-8
• 分子式：H₂O₁₃Pr₂S₃
• 分子量：588.01800
• 相关类别： 无机化工 无机盐 金属硫化物及硫酸盐
• 发布时间：2018-08-05 17:31:26
• 更新时间：2024-01-03 19:25:58

• 用作化学试剂。

名称

• 中文名: 硫酸镨(III)
• 英文名: praseodymium(3+),trisulfate
• 中文别名: 硫酸镨
• 英文别名: Praseodymium(III) sulfate; Dipraseodymium trisulphate; praseodymium(3+) trisulfate; PRASEODYMIUM SULFATE; praseodymium sulfate(2:3); EINECS 233-622-8

物化性质

• 密度: 3.720
• 沸点: 330ºC at 760mmHg
• 分子式: H₂O₁₃Pr₂S₃
• 分子量: 588.01800
• 精确质量: 587.68100
• PSA: 275.15000
• 外观性状: 淡绿色晶体
• 蒸汽压: 3.35E-05mmHg at 25°C
• 储存条件:

  密封于阴凉干燥处。

• 稳定性:

  遵照规格使用和储存则不会分解。

• 水溶解性: 0.1545 ± 0.0019mol/kg (25°C), octahydrate is the equilibrium phase [RAR88]; g/100 g H2O: 19.8 (0°C), 12.6 (20°C), 0.91 (100°C) [LAN05]
• 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：587.68095 Da

  8、标称质量：588 Da

  9、平均质量：588.0184 Da

• 计算化学:

  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:12

  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266

  7.重原子数量:17

  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:5

• 更多:

  1. 性状：浅绿色结晶，具有吸湿性，可溶于水，溶解度随温度的升高而降低。

  2. 密度（g/mL,25/4℃）： 3.72

  3. 相对蒸汽密度（g/mL,空气=1）：无可用

  4. 熔点（ºC）：无可用

  5. 沸点（ºC,常压）：无可用

  6. 沸点（ºC,5.2kPa）： 无可用

  7. 折射率： 无可用

  8. 闪点（ºC）： 无可用

  9. 比旋光度（º）： 无可用

  10. 自燃点或引燃温度（ºC）： 无可用

  11. 蒸气压（kPa,25ºC）： 无可用

  12. 饱和蒸气压（kPa,60ºC）： 无可用

  13. 燃烧热（KJ/mol）：无可用

  14. 临界温度（ºC）： 无可用

  15. 临界压力（KPa）： 无可用

  16. 油水（辛醇/水）分配系数的对数值： 无可用

  17. 爆炸上限（%,V/V）：无可用

  18. 爆炸下限（%,V/V）： 无可用

  19. 溶解性：无可用

MSDS

Section 1: Product Identification Chemical Name:Praseodymium (III) sulfate hydrate (99.9%-Pr) (REO) CAS Registry Number:10277-44-8 Formula:Pr2(SO4)3.XH2O EINECS Number:233-622-8 Chemical Family:metal sulfate Synonym:none Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound10277-44-8100%no datano data Section 3: Hazards Identification Emergency Overview:Irritating to eyes, skin and respiratory tract. May be harmful if swallowed Primary Routes of Exposure:Ingestion Eye Contact:Causes slight to mild irritation of the eyes. Skin Contact:Causes slight irritation of the skin. Inhalation:Irritating to the nose, mucous membranes and respiratory tract. Ingestion:No information is available on the physiological effects of ingestion. Acute Health Affects: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 andIf involved in a fire this material may emit toxic fumes of sulfur oxides. 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 appropriate chemical resistant gloves and protective clothing. 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:light green xtl. Molecular Weight:570 Melting Point:no data Boiling Point:no data Vapor Pressure:not applicable Specific Gravity:no data 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

毒性和生态

生态学数据: 通常对水是不危害的，若无政府许可，勿将材料排入周围环境。

安全

• 危害码 (欧洲): Xi: Irritant;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S26-36
• WGK德国: 3

制备

在200～250℃的温度下加热,使Pr2(SO4)3·8H2O完全脱水，即可制得无水硫酸镨。