33114-15-7

• 常用中文名：四氯化环戊二烯铌(V)
• 常用英文名：cyclopenta-1,3-diene,niobium(5+),tetrachloride
• CAS号：33114-15-7
• 分子式：C₅H₅Cl₄Nb
• 分子量：299.81200
• 发布时间：2018-10-03 13:40:33
• 更新时间：2024-01-06 19:30:36

名称

• 中文名: 四氯化环戊二烯基铌
• 英文名: cyclopenta-1,3-diene,niobium(5+),tetrachloride
• 中文别名: 三羰基(η-环戊二烯基)四氯化铌(V)
• 英文别名: MFCD00070445; Cyclopentadienylniobium(V) tetrachloride

物化性质

• 熔点: 260ºC
• 分子式: C₅H₅Cl₄Nb
• 分子量: 299.81200
• 精确质量: 297.82100
• LogP: 3.77950
• 储存条件:

  保持贮藏器密封、储存在阴凉、干燥的地方，确保工作间有良好的通风或排气装置

• 稳定性:

  如果遵照规格使用和储存则不会分解，未有已知危险反应

  避免氧化物、水分

• 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:5

  4.可旋转化学键数量:0

  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:10

  8.表面电荷:0

  9.复杂度:72

  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:6

• 更多:

  1. 性状：酸性的红棕色粉末

  2. 密度（g/mL,20℃）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：180

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,KPa）：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（Pa,20ºC）：未确定

  12. 饱和蒸气压（KPa,20ºC）：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:Cyclopentadienylniobium (V) tetrachloride, 98% CAS Registry Number:33114-15-7 Formula:C5H5NbCl4 EINECS Number:none Chemical Family:metallocene Synonym:niobium tetrachloride, cyclopentadiene complex Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound33114-15-7100%no datano data Section 3: Hazards Identification Corrosive to skin and eyes. Material hydrolyzes in contact with moisture releasing toxic and corrosive fumes Emergency Overview: of hydrogen chloride and aqueous hydrochloric acid. Primary Routes of Exposure:Contact with skin and eyes. Inhalation of dust. Eye Contact:Corrosive to the eyes. Skin Contact:Causes burns to the skin. Inhalation:Forms hydrogen chloride in the presence of moisture. Inhalation will lead to burning of the respiratory tract. Ingestion:If large amounts ingested, severe burns to the gastrointestinal tract may occur. Corrosive to skin, eyes and respiratory tract. Causes eye and skin burns, dyspnea (difficulty breathing) and Acute Health Affects: pulmonary edema. 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, dry powder or foam. If involved in a fire, fire fighters should be equipped with 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 release corrosive hydrogen chloride 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 vermiculite or sodium carbonate and swept up. SECTION 7: Handling and Storage Store in a tightly sealed container. Keep away from heat, moisture and direct sunlight. Handle and store under Handling and Storage: a dry atmosphere of nitrogen or argon. 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. Consult with glove manufacturer to determine the proper type of glove. Ventilation:Material may emit corrosive fumes. 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 emit corrosive fumes. Handle the material in an efficient fume hood. Additional Protection:No additional protection required. SECTION 9: Physical and Chemical Properties Color and Form:red to brown powder Molecular Weight:299.82 Melting Point:180° dec. Boiling Point:no data Vapor Pressure:no data Specific Gravity:no data Odor:pungent odor Solubility in Water:reacts with water SECTION 10: Stability and Reactivity Stability:moisture sensitive Hazardous Polymerization:No hazardous polymerization. Conditions to Avoid:none Incompatibility:oxidizing agents and active metals Decomposition Products:niobium oxide, carbon monoxide, carbon dioxide, hydrogen chloride 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):Corrosive solids, N.O.S. Hazard Class (CFR):8 Additional Hazard Class (CFR):NA Packaging Group (CFR):II UN ID Number (CFR):UN# 1759 Shipping Name (IATA):Corrosive solid, N.O.S. Hazard Class (IATA):8 Additional Hazard Class (IATA):NA Packaging Group (IATA):II UN ID Number (IATA):UN# 1759 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: 通常对水是稍微有危害的，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): 26-37/39
• 危险品运输编码: UN3261
• 包装等级: II