1172-76-5

• 常用中文名：1,2-二甲基-1,1,2,2-四苯基乙硅烷
• 常用英文名：1,2-DIMETHYL-1,1,2,2-TETRAPHENYLDISILANE
• CAS号：1172-76-5
• 分子式：C₂₆H₂₆Si₂
• 分子量：394.656
• 相关类别： 化学试剂 硅烷试剂
• 发布时间：2019-01-01 21:49:40
• 更新时间：2024-01-02 20:03:03

• 化学试剂，有机中间体，精细中间体，药物研发。

名称

• 中文名: 1,2-二甲基-1,1,2,2-四苯基乙硅烷
• 英文名: methyl-[methyl(diphenyl)silyl]-diphenylsilane
• 中文别名: 1,2-二甲基-1,1,2,2-四苯基二硅烷
• 英文别名: Disilane, 1,2-dimethyl-1,1,2,2-tetraphenyl-; 1,2-dimethyltetraphenyldisilane; 1,1-dimethyl-1,1,2,2-tetraphenyldisilane; EINECS 214-632-1; 1,2-DIMETHYL-1,1,2,2-TETRAPHENYLDISILANE; Ph2MeSi-SiMePh2; 1,1,2,2-tetraphenyl-1,2-dimethyldisilane; Disilane,1,2-dimethyl-1,1,2,2-tetraphenyl; Benzene, 1,1',1'',1'''-(1,2-dimethyl-1,2-disilanediylidene)tetrakis-; MFCD00051536

物化性质

• 密度: 1.1±0.1 g/cm3
• 沸点: 451.2±18.0 °C at 760 mmHg
• 熔点: 138ºC to 144ºC
• 分子式: C₂₆H₂₆Si₂
• 分子量: 394.656
• 闪点: 207.3±14.3 °C
• 精确质量: 394.157318
• LogP: 9.51
• 外观性状: 白色结晶粉末
• 蒸汽压: 0.0±1.1 mmHg at 25°C
• 折射率: 1.600
• 储存条件:

  密封储存，储存于阴凉、干燥的库房。

• 稳定性:

  常温常压下稳定，避免与不相容材料接触。

• 水溶解性: 可溶于：甲苯
• 分子结构:

  1、摩尔折射率：127.65

  2、摩尔体积（cm³/mol）：372.9

  3、等张比容（90.2K）：625.3

  4、表面张力（dyne/cm）：37.9

  5、介电常数：无可用的

  6、极化率（10^-24cm³）：50.6

  7、单一同位素质量：394.157303 Da

  8、标称质量：394 Da

  9、平均质量：394.6556 Da

• 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:0

  4.可旋转化学键数量:5

  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:28

  8.表面电荷:0

  9.复杂度:383

  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：白色结晶性粉末

  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）：140-144

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC,12mmHg）：未确定

  7. 折射率(n20/D)：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,55ºC）：未确定

  12. 饱和蒸气压（kPa,25ºC）：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：微溶于水

MSDS

Name: Tetraphenyldimethyldisilane Material Safety Data Sheet Synonym: None Known CAS: 1172-76-5 Section 1 - Chemical Product MSDS Name:Tetraphenyldimethyldisilane Material Safety Data Sheet Synonym:None Known Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 1172-76-5 Tetraphenyldimethyldisilane ca. 100 214-632-1 Hazard Symbols: XN Risk Phrases: 20/21/22 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful by inhalation, in contact with skin and if swallowed.The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed. Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May be harmful if inhaled. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. Use agent most appropriate to extinguish fire. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Store in a cool, dry place. Store in a tightly closed container. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 1172-76-5: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Crystals Color: colorless - after melting, dark brown Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 138-140 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Negligible. Specific Gravity/Density: Molecular Formula: C26H26Si2 Molecular Weight: 394.353 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable at room temperature in closed containers under normal storage and handling conditions. Conditions to Avoid: Incompatible materials, dust generation. Incompatibilities with Other Materials: Oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 1172-76-5 unlisted. LD50/LC50: Not available. Carcinogenicity: Tetraphenyldimethyldisilane - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XN Risk Phrases: R 20/21/22 Harmful by inhalation, in contact with skin and if swallowed. Safety Phrases: S 36/37 Wear suitable protective clothing and gloves. WGK (Water Danger/Protection) CAS# 1172-76-5: No information available. Canada CAS# 1172-76-5 is listed on Canada's NDSL List. CAS# 1172-76-5 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 1172-76-5 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 符号: GHS07
• 信号词: Warning
• 危害声明: H315-H319-H335
• 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): Xi: Irritant;
• 风险声明 (欧洲): R36/37/38
• 安全声明 (欧洲): 26-36
• 危险品运输编码: NONH for all modes of transport
• WGK德国: 3
• 海关编码: 2931900090

合成路线

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海关

海关编码	2931900090
中文概述	2931900090. 其他有机-无机化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:6.5%. 普通关税:30.0%
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%