14553-09-4

• 常用中文名：水合乙酰丙酮镨(III)
• 常用英文名：Praseodymium (III) 2,4-pentanedionate
• CAS号：14553-09-4
• 分子式：C₁₆H₂₂O₆
• 分子量：310.34200
• 相关类别： 有机原料 有机金属类化合物 有机铋、钴、镨、钆、镓、铱、铼、钇、铽等
• 发布时间：2018-03-30 08:00:00
• 更新时间：2024-01-09 00:04:47

名称

• 中文名: 乙酰丙酮镨(III)
• 英文名: praseodymium(iii) acetylacetonate hydrate
• 中文别名: 乙酰丙酮镨水合物; 乙酰丙酮化镨N水合物
• 英文别名: Tris-(2,4-pentanedionato)-praseodymium; PRASEODYMIUM ACETYL ACETONATE; PRASEODYMIUM ACETYLACETONATE HYDRATE; PRASEODYMIUM 2,4-PENTANEDIONATE; PRASEODYMIUM(III) ACETYLACETONATE; Praseodymium (III) 2,4-pentanedionate

物化性质

• 沸点: 138.4ºC at 760mmHg
• 熔点: 130ºC (dec.)(lit.)
• 分子式: C₁₆H₂₂O₆
• 分子量: 310.34200
• 闪点: 43.1ºC
• 精确质量: 310.14200
• PSA: 78.90000
• LogP: 2.79820
• 外观性状: Powder | Off-white to pale green
• 蒸汽压: 0.174mmHg at 25°C
• 储存条件: 室温，干燥
• 稳定性:

  溶于二硫化碳、乙酰丙酮。

• 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：438.041413 Da

  8、标称质量：438 Da

  9、平均质量：438.2313 Da

• 计算化学:

  1、 氢键供体数量：0

  2、 氢键受体数量：6

  3、 可旋转化学键数量：3

  4、 互变异构体数量：35

  5、 拓扑分子极性表面积（TPSA）：120

  6、 重原子数量：22

  7、 表面电荷：0

  8、 复杂度：90.4

  9、 同位素原子数量：0

  10、 确定原子立构中心数量：0

  11、 不确定原子立构中心数量：0

  12、 确定化学键立构中心数量：3

  13、 不确定化学键立构中心数量：0

  14、 共价键单元数量：4

• 更多:

  1. 性状：绿色晶体，对湿汽敏感,易潮解。

  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）：146

  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,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：未确定

MSDS

Section 1: Product Identification Chemical Name:Praseodymium (III) acetylacetonate hydrate (99.9%-Pr) (REO) CAS Registry Number:14553-09-4 Formula:Pr(CH3COCHCOCH3)3.XH2O EINECS Number:none Chemical Family:metal beta-diketonate complexes Synonym:Tris(2,4-pentanedionato)praseodymium (III) hydrate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound14553-09-4100%no datano data Section 3: Hazards Identification Emergency Overview:Irritating to skin, eyes and respiratory tract. Primary Routes of Exposure:Ingestion, Inhalation of dust. Eye Contact:Causes slight to mild irritation of the eyes. Skin Contact:Causes slight to mild irritation of the skin. Inhalation:Irritating to the respiratory tract, skin and eyes. Ingestion:No information 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 soap and water. Remove contaminated clothes if necessary. Seek medical Skin Exposure: assistance if 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. Ingestion:Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). SECTION 5: Fire Fighting Measures Flash Point:not applicable Autoignition Temperature:none Explosion Limits:none Extinguishing Medium:carbon dioxide, dry powder or foam 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 organic fumes. 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 and swept up. SECTION 7: Handling and Storage Handling and Storage:Store in a sealed container. Keep away from heat and 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:Material may form a fine dust. 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: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:pale green powder Molecular Weight:438.23 Melting Point:no data Boiling Point:no data Vapor Pressure:no data Specific Gravity:no data Odor:none Solubility in Water:insoluble SECTION 10: Stability and Reactivity Stability:air and moisture stable solid Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:none Incompatibility:halogens and oxidizing agents Decomposition Products:Carbon dioxide, carbon monoxide, organic vapors, and metal oxides and carbonates. 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): Xn: Harmful;
• 风险声明 (欧洲): R20/21/22
• 安全声明 (欧洲): 26-36
• WGK德国: 3

制备

制法同乙酰丙酮镝。称取5.47g氧化镨溶于尽量少的稀盐酸，加入稀氨水调整溶液pH值为5.0。称取按计算量过量50%的新蒸乙酰丙酮，加入浓氨水和水制成乙酰丙酮氨溶液，搅拌下，将此溶液加入到氯化镨溶液中，保持溶液的pH值为6.5。反应混合液搅拌12h，得到乙酰丙酮镨晶体。过滤、干燥操作同乙酰丙酮镝，收率为90%。