14284-95-8

• 常用中文名：乙酰丙酮铽三水合物
• 常用英文名：terbium acetylacetonate
• CAS号：14284-95-8
• 分子式：C₁₅H₂₄O₆Tb
• 分子量：459.27300
• 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：2018-06-24 18:32:07
• 更新时间：2024-01-01 21:53:11

名称

• 中文名: 乙酰丙酮铽(III)
• 英文名: 4-oxopent-2-en-2-olate,terbium(3+)
• 中文别名: 三(2,4-戊二酸)铒; 乙酰丙酮铽三水合物
• 英文别名: EINECS 238-195-1; Terbium-2,4-Pentanedionate; MFCD00013503; 4-oxopent-2-en-2-olate

物化性质

• 沸点: 187.6ºC at 760mmHg
• 熔点: 169ºC
• 分子式: C₁₅H₂₄O₆Tb
• 分子量: 459.27300
• 闪点: 71.9ºC
• 精确质量: 459.08300
• PSA: 102.42000
• LogP: 1.66350
• 外观性状: Powder | white
• 蒸汽压: 6.75mmHg at 25°C
• 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。具有吸湿性。

• 水溶解性: Insoluble in water.
• 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：456.059113 Da

  8、标称质量：456 Da

  9、平均质量：456.249 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:6

  4.可旋转化学键数量:3

  5.互变异构体数量:35

  6.拓扑分子极性表面积120

  7.重原子数量:22

  8.表面电荷:0

  9.复杂度:90.4

  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:3

  15.共价键单元数量:4

• 更多:

  1. 性状：白色晶体或粉末。

  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）：168～170

  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：不能溶解的

MSDS

Section 1: Product Identification Chemical Name:Terbium (III) acetylacetonatetrihydrate (99.9%-Tb) (REO) CAS Registry Number:14284-95-8 Formula:Tb(CH3COCHCOCH3)3.3H2O EINECS Number:none Chemical Family:metal beta-diketonate complexes Synonym:Tris(2,4-pentanedionato)terbium (III) hydrate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound14284-95-8100%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 nose, mucous membranes and respiratory tract. 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 Store in a tightly sealed container in a dry place. If container is left open, salt may adsorb moisture from the Handling and Storage: atmosphere. 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:white pwdr. Molecular Weight:456.26 (510.31) Melting Point:168-170° Boiling Point:no data Vapor Pressure:no data Specific Gravity:no data Odor:none Solubility in Water:insoluble SECTION 10: Stability and Reactivity Stability:hygroscopic solid Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:contact with moisture Incompatibility: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

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：可能引起发炎； 在眼睛上面：可能引起发炎；没有已知的敏化影响。 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
• 风险声明 (欧洲): 20/21/22-36/37/38-63
• 安全声明 (欧洲): 26-36/37/39-45

制备

三水合物的制法。将无水乙酰丙酮铽在加热条件下溶于95%乙醇中，当溶解完全时，加入几毫升乙酰丙酮以防止络合物水解，然后加入足够量的水，使乙醇的浓度为60%。慢慢冷却溶液使晶体析出。过滤，用50%乙醇和水洗涤晶体各一次，空气中干燥数小时，产物在密闭容器中储存。