68193-45-3

• 常用中文名：二甲基双(叔丁基环戊二烯基)铪(IV)
• 常用英文名：2-tert-butylcyclopenta-1,3-diene,carbanide,hafnium(4+)
• CAS号：68193-45-3
• 分子式：C₂₀H₃₂Hf
• 分子量：450.95800
• 发布时间：2018-12-28 13:00:34
• 更新时间：2024-01-09 18:14:23
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名称

• 中文名: 二甲基二(叔-丁基环戊二烯基)铪 (IV)
• 英文名: 2-tert-butylcyclopenta-1,3-diene,carbanide,hafnium(4+)
• 中文别名: 二甲基二(t-丁基环戊二烯基)铪(IV); 双(叔丁基环戊二烯)二甲基铪(IV)
• 英文别名: MFCD01073804

物化性质

• 熔点: 73-76ºC
• 分子式: C₂₀H₃₂Hf
• 分子量: 450.95800
• 闪点: 129 °F
• 精确质量: 452.19700
• LogP: 6.04320
• 储存条件:

  存放在密封容器内，并放在阴凉，干燥处。储存的地方必须远离氧化剂。

• 稳定性:

  远离氧化物，酸，碱，湿气。

• 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:4

  4.可旋转化学键数量:2

  5.互变异构体数量:无

  6.拓扑分子极性表面积0

  7.重原子数量:21

  8.表面电荷:0

  9.复杂度:353

  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：固体。

  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）：73-76

  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:Dimethylbis(t-butylcyclopentadienyl)hafnium (IV), min. 98% CAS Registry Number:68193-45-3 Formula:[(C4H9)C5H4]2Hf(CH3)2 EINECS Number:none Chemical Family:metallocene Synonym:Hafnium, dimethylbis[(1,2,3,4,5-.eta.)-t-butyl-2,4-cyclopentadiene-1-yl] Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound68193-45-3100%0.5mg/m3 (as Hf)0.5mg/m3 (as Hf) Section 3: Hazards Identification Emergency Overview:Irritating to skin, eyes, and respiratory tract. Primary Routes of Exposure:Skin, eyes, inhalation Eye Contact:Causes mild to moderate irritation of the eyes. Skin Contact:Causes slight to mild irritation of the skin. Inhalation:Dust is 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 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:no data Autoignition Temperature:no data Explosion Limits:no data Extinguishing Medium:carbon dioxide, foam 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. Hazardous Combustion andIf involved in a fire this material may release toxic and corrosive 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 The material will degrade on prolonged exposure to air and moisture. Store under an inert atmosphere of Handling and Storage: nitrogen or argon. Keep bottle tightly sealed and away from heat and light. 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 protective clothing and gloves. Ventilation: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: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: Molecular Weight:450.96 Melting Point:no data Boiling Point:no data Vapor Pressure:no data Specific Gravity:no data Odor:not determined Solubility in Water:reacts with water SECTION 10: Stability and Reactivity Stability:air and moisture sensitive Hazardous Polymerization:No hazardous polymerization. Conditions to Avoid:none Incompatibility:water, air, oxidizing agents, halogens Decomposition Products:hafnium oxide, carbon monoxide, carbon dioxide, and organic fumes. 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:Not listed in the TSCA inventory. SARA (Title 313):Title compound not listed Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 符号: GHS02
• 信号词: Warning
• 危害声明: H228
• 警示性声明: P210
• 危险品运输编码: UN 1325 4.1/PG 2
• 包装等级: II
• 危险类别: 4.1