4731-65-1

• 常用中文名：三(2-甲氧基苯基)膦
• 常用英文名：Tris(2-methoxyphenyl)phosphine
• CAS号：4731-65-1
• 分子式：C₂₁H₂₁O₃P
• 分子量：352.363
• 相关类别： 有机原料 有机膦化合物
• 发布时间：2018-07-06 16:08:08
• 更新时间：2024-01-02 19:52:57
• 下载msds

名称

• 中文名: 三(邻甲氧基苯基)膦
• 英文名: Tris(2-methoxyphenyl)phosphine
• 中文别名: 三(2-甲氧基苯基)膦
• 英文别名: Tris(o-methoxyphenyl)phosphine; Tris(2-methoxyphenyl)phosphine; Tris(o-anisyl)phosphine; tris-(o-methoxyphenyl)phosphine; Phosphine, tris(2-methoxyphenyl)-; EINECS 225-235-8; MFCD00014892

物化性质

• 沸点: 477.3±40.0 °C at 760 mmHg
• 熔点: 204-208 °C
• 分子式: C₂₁H₂₁O₃P
• 分子量: 352.363
• 闪点: 302.5±27.6 °C
• 精确质量: 352.122833
• PSA: 41.28000
• LogP: 5.44
• 外观性状: 白色晶体
• 蒸汽压: 0.0±1.1 mmHg at 25°C
• 储存条件:

  避光，通风干燥处，密封保存

• 稳定性:

  常温常压下稳定，白色固体。在空气中稳定。熔点203～205℃。

• 计算化学:

  1.疏水参数计算参考值（XlogP）:4.5

  2.氢键供体数量:0

  3.氢键受体数量:3

  4.可旋转化学键数量:6

  5.互变异构体数量:无

  6.拓扑分子极性表面积27.7

  7.重原子数量:25

  8.表面电荷:0

  9.复杂度:334

  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:1

• 更多:

  1. 性状：白色粉末

  2. 密度：不确定

  3. 相对蒸汽密度（g/mL,空气=1）：不确定

  4. 熔点（ºC）：196-204

  5. 沸点（ºC,常压）：不确定

  6. 沸点（ºC,1mmHg）：不确定

  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:Tris(o-methoxyphenyl)phosphine, min. 98% CAS Registry Number:4731-65-1 Formula:(o-CH3OC6H4)3P EINECS Number:none Chemical Family:organophosphine ligand Synonym:Tris(2-methoxyphenyl)phosphine, Tri(o-anisyl)phosphine Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title compound4731-65-1100%no datano data Section 3: Hazards Identification Emergency Overview:Irritating to the respiratory tract, skin and eyes. May be harmful if swallowed. Primary Routes of Exposure:Ingestion, eyes, inhalation 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. No specific information is available on the physiological effects of ingestion. May cause vomiting and diarrhea. 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 Inhalation: in 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:none Autoignition Temperature:none Explosion Limits:none Extinguishing Medium:carbon dioxide, dry powder or foam Fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus Special Fire Fighting Procedures: 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: Fine dust may form flammable mixtures with air. Handle the material in an efficient fume hood. 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 Handling and Storage:Store in a tightly sealed container. Keep away from heat and direct sunlight. 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: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 Respirator 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 xtl. Molecular Weight:352.37 Melting Point:203-205° 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 and moisture-stable solid Hazardous Polymerization:none Conditions to Avoid:contact with strong oxidizing agents Incompatibility:strong oxidizing agents, halogens Decomposition Products:carbon dioxide, carbon monoxide, phosphorus pentoxide, and organic fumes. SECTION 11: Toxicological Information No specific information available on this product. Related compounds have been known to affect the nervous RTECS Data:system. Symptoms of nervous system toxicity (by oral or inhalation route) include tremors, altered reflexes, loss of muscle coordination, limb weakness, and convulsions. 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:listed on the TSCA inventory SARA (Title 313):not regulated by Title 313 Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

毒理学数据: 主要的刺激性影响 在皮肤上面：刺激皮肤和粘膜 在眼睛上面：刺激的影响 致敏作用：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

• 符号: GHS07
• 信号词: Warning
• 危害声明: H315-H319-H335-H413
• 警示性声明: P261-P305 + P351 + P338
• 个人防护装备: dust mask type N95 (US);Eyeshields;Gloves
• 危害码 (欧洲): Xn: Harmful;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): S37/39-S26
• 危险品运输编码: NONH for all modes of transport