14637-88-8

• 常用中文名：乙酰丙酮酸镝(III)水合物
• 常用英文名：Dysprosium(III) 2,4-pentanedionate hydrate
• CAS号：14637-88-8
• 分子式：C₁₅H₂₁DyO₆
• 分子量：459.82400
• 发布时间：2018-08-12 21:34:30
• 更新时间：2024-01-14 05:12:11

名称

• 中文名: 乙酰丙酮酸镝(III)
• 英文名: dysprosium 2,4-pentanedionate
• 中文别名: 醋酸镝n水
• 英文别名: MFCD00013489

物化性质

• 熔点: 125-130ºC(lit.)
• 分子式: C₁₅H₂₁DyO₆
• 分子量: 459.82400
• 精确质量: 461.06300
• PSA: 78.90000
• LogP: 2.88030
• 储存条件:

  常温密闭避光，通风干燥

• 稳定性:

  常温常压下稳定

  避免的物料：氧化物 。溶于甲苯、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：461.063013 Da

  8、标称质量：461 Da

  9、平均质量：459.8236 Da

• 更多:

  1.性状：无色晶体，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）：103;

  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:Dysprosium (III) acetylacetonate hydrate (99.9%-Dy) (REO) CAS Registry Number:14637-88-8 Formula:Dy(CH3COCHCOCH3)3.XH2O EINECS Number:none Chemical Family:metal beta-diketonate complexes Synonym:Tris(2,4-pentanedionato)dysprosium (III) hydrate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound14637-88-8100%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:yellow pwdr. Molecular Weight:459.83 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 specific information available on this product. 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

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): Xn: Harmful;
• 风险声明 (欧洲): R20/21/22
• 安全声明 (欧洲): 26-36/37/39-45

制备

称量一定量的氧化镝，溶于尽量少的稀盐酸，并通过加入稀氨水调整溶液pH值为5.0。在新蒸过的乙酰丙酮中加入浓氨水和水制备乙酰丙酮的氨溶液，乙酰丙酮用量应比化学计算量过量50%，以使氧化镝完全反应。在搅拌下，将乙酰丙酮氨溶液慢慢加入到氯化镝溶液中，滴加过程中保持溶液的pH值为6.4。反应混合物搅拌12h，以使反应完全。得到乙酰丙酮镝的晶体，过滤，空气中干燥24h，然后在置有高氯酸镁的干燥器中干燥4天。