1272-23-7

• 常用中文名：三(环戊二烯基)镧
• 常用英文名：tris(cyclopentadienyl)lanthanum
• CAS号：1272-23-7
• 分子式：C₁₅H₁₅La
• 分子量：334.18500
• 发布时间：2018-02-24 08:00:00
• 更新时间：2024-01-09 23:03:54
• 下载msds

名称

• 中文名: 三(环戊二烯)镧(III)
• 英文名: tris(cyclopentadienyl)lanthanum
• 中文别名: 三(环戊二烯)化镧; 三(环戊二烯)化镧(III)
• 英文别名: EINECS 215-049-5; MFCD00045467; (C5H5)3La; Lanthanum (III) tris(cyclopentadienyl); Tris(cyclopentadienyl)lanthanum ( La) (REO); tris(eta5-cyclopenta-2,4-dien-1-yl)lanthanum; Tris(cyclopentadienyl)lanthanum(III) (REO)

物化性质

• 沸点: 41.5ºC at 760 mmHg
• 熔点: 275ºC
• 分子式: C₁₅H₁₅La
• 分子量: 334.18500
• 闪点: >230 °F
• 精确质量: 334.02400
• LogP: 3.06450
• 外观性状: 白色至灰白色晶体
• 蒸汽压: 418mmHg at 25°C
• 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/潮湿、空气，与水发生强烈反应

• 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：334.023724 Da

  8、标称质量：334 Da

  9、平均质量：334.1851 Da

• 计算化学:

  1、 氢键供体数量：0

  2、 氢键受体数量：3

  3、 可旋转化学键数量：0

  4、 拓扑分子极性表面积（TPSA）：0

  5、 重原子数量：16

  6、 表面电荷：0

  7、 复杂度：86.8

  8、 同位素原子数量：0

  9、 确定原子立构中心数量：0

  10、 不确定原子立构中心数量：0

  11、 确定化学键立构中心数量：0

  12、 不确定化学键立构中心数量：0

  13、 共价键单元数量：4

• 更多:

  1. 性状：晶体

  2. 密度（g/mL,25℃）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：275

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,2.5mmHg）：未确定

  7. 折射率（n20/D）：未确定

  8. 闪点（ºF）：>230

  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（mmHg,20ºC）：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：与水反应

MSDS

Section 1: Product Identification Chemical Name:Tris(cyclopentadienyl)lanthanum (99.9%-La) (REO) CAS Registry Number:1272-23-7 Formula:(C5H5)3La EINECS Number:215-049-5 Chemical Family:metallocene Synonym:tris(eta5-2,4-cyclopentadien-1-yl)lanthanum, lanthanum dicyclopentadienide Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound1272-23-7100%no datano data Section 3: Hazards Identification Emergency Overview:May be irritating to skin, eyes, and mucous membranes. May be harmful if swallowed. Primary Routes of Exposure:Ingestion, inhalation Eye Contact:May cause slight to mild irritation of the eyes. Skin Contact:May cause slight to mild irritation of the skin. Inhalation:May cause irritation to the nose, mucous membranes and respiratory tract. Ingestion:No information available on the 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:no data 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 organic fumes. Decomposion Products: Unusual Fire or Explosion Hazards: Flammable solid. Dust may form explosive mixtures with air. SECTION 6: Accidental Release Measures Small spills can be mixed with vermiculite, sodium carbonate or other suitable non-combustible adsorbent and Spill and Leak Procedures: swept up. SECTION 7: Handling and Storage Store and handle the material under an inert atmosphere of dry nitrogen or argon. Keep away from heat, air Handling and Storage: 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:white to off-white xtl. Molecular Weight:334.19 Melting Point:295° dec. 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 sensitive, moisture sensitive Hazardous Polymerization:no hazardous polymerization Conditions to Avoid:Air and moisture. Keep away from ignition sources. Incompatibility:halogens and oxidizing agents Decomposition Products:carbon dioxide, carbon monoxide, lanthanum oxide and organic fumes. 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

生态学数据: 对是水稍微有危害的不要让未稀释或大量的产品接触地下水、水道或者污水系统，若无政府许可，勿将材料排入周围环境。

安全

• 符号: GHS02
• 信号词: Danger
• 危害声明: H228-H261
• 补充危害声明: Reacts violently with water.
• 警示性声明: P210-P231 + P232-P422
• 个人防护装备: Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
• 危害码 (欧洲): F: Flammable;
• 风险声明 (欧洲): R11
• 安全声明 (欧洲): 43-7/8
• 危险品运输编码: UN 3395 4
• 包装等级: III
• 危险类别: 4.1

合成路线

10099-58-8 ~86% 1272-23-7

文献：Eggers, Stefan H.; Kopf, Juergen; Fischer, R. Dieter Organometallics, 1986 , vol. 5, p. 383 - 385

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