18960-54-8

• 常用中文名：四(2,2,6,6-四甲基-3,5-庚二酮酸)铈(IV)
• 常用英文名：Cerium(IV) tetramethylheptanedionate
• CAS号：18960-54-8
• 分子式：C₂₂H₃₈CeO₄
• 分子量：506.65100
• 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：2018-12-03 20:19:58
• 更新时间：2024-01-11 13:56:43

名称

• 中文名: 四(2,2,6,6-四甲基-3,5-庚二酮酸)铈(IV)
• 英文名: cerium,2,2,6,6-tetramethylheptane-3,5-dione
• 中文别名: 四(2,2,6,6-甲基-3,5-庚二酮酸)铈(IV)

物化性质

• 沸点: 140ºC 0,05mm
• 熔点: 275-280ºC
• 分子式: C₂₂H₃₈CeO₄
• 分子量: 506.65100
• 闪点: 67.2ºC
• 精确质量: 506.18200
• PSA: 52.60000
• LogP: 6.02500
• 外观性状: Powder | red
• 蒸汽压: 0.287mmHg at 25°C
• 储存条件: 2-8℃
• 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:8

  4.可旋转化学键数量:8

  5.互变异构体数量:5

  6.拓扑分子极性表面积137

  7.重原子数量:53

  8.表面电荷:0

  9.复杂度:964

  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：不确定

  2. 密度（g/mL,25/4℃）：不确定

  3. 相对蒸汽密度（g/mL,空气=1）：不确定

  4. 熔点（ºC）：275-280

  5. 沸点（ºC,常压）：不确定

  6. 沸点（ºC, 0.05mmHg）：140

  7. 折射率：不确定

  8. 闪点（ºC）：不确定

  9. 比旋光度（º）：不确定

  10. 自燃点或引燃温度（ºC）：不确定

  11. 蒸气压（kPa,25ºC）：不确定

  12. 饱和蒸气压（kPa,60ºC）：不确定

  13. 燃烧热（KJ/mol）：不确定

  14. 临界温度（ºC）：不确定

  15. 临界压力（KPa）：不确定

  16. 油水（辛醇/水）分配系数的对数值：不确定

  17. 爆炸上限（%,V/V）：不确定

  18. 爆炸下限（%,V/V）：不确定

  19. 溶解性：不确定

MSDS

Section 1: Product Identification Chemical Name:Tetrakis(2,2,6,6-tetramethyl-3,5-heptanedionato)cerium (IV),min. 97% (99.9%-Ce) (REO) Ce(TMHD)4 CAS Registry Number:18960-54-8 Formula:Ce(C11H19O2)4 EINECS Number:none Chemical Family:metal beta-diketonate complexes Synonym:Dipivaloylmethane, cerium complex Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound18960-54-8100%no datano data Section 3: Hazards Identification Emergency Overview:May be irritating to eyes, skin and respiratory tract. Harmful if swallowed. Primary Routes of Exposure:Ingestion Eye Contact:May cause slight to mild irritation of the eyes. Skin Contact:May cause slight to mild irritation of the skin. Inhalation:May be irritating to the nose, mucous membranes and respiratory tract. Ingestion:No information on the physiological effects of ingestion. Acute Health Affects:May be 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 in Inhalation: 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:carbon dioxide or dry powder If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure Special Fire Fighting Procedures: self-contained breathing apparatus and full protective clothing. Hazardous Combustion andIf involved in a fire this material may emit toxic and corrosive fumes. Decomposion Products: Unusual Fire or Explosion Hazards: No unusual fire or explosion hazard. 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 the material 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 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:red powder Molecular Weight:873.2 Melting Point:275-280° Boiling Point:dec.295°subl. 140°/.05mm Vapor Pressure:subl. 140°/0.05mm Specific Gravity:no data Odor:none Solubility in Water:insoluble SECTION 10: Stability and Reactivity Stability:air and moisture stable Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:none Incompatibility:oxidizing agents Decomposition Products:carbon monoxide, carbon dioxide, cerium oxide and organic fumes SECTION 11: Toxicological Information RTECS Data:No specific information available on this product. 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:Not listed in the TSCA inventory. SARA (Title 313):Title compound not listed. Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 风险声明 (欧洲): 36/37/38
• 安全声明 (欧洲): 26-36/37/39