243468-48-6

• 常用中文名：亚甲基双[二甲基(2-吡啶基)硅烷]
• 常用英文名：2,2'-[Methylenebis(dimethylsilanediyl)]dipyridine
• CAS号：243468-48-6
• 分子式：C₁₅H₂₂N₂Si₂
• 分子量：286.520
• 发布时间：2018-12-25 21:15:51
• 更新时间：2024-01-24 18:28:24

名称

• 中文名: 亚甲基双[二甲基(2-吡啶基)硅烷]
• 英文名: [dimethyl(pyridin-2-yl)silyl]methyl-dimethyl-pyridin-2-ylsilane
• 中文别名: 2,2'-[亚甲基双(二甲基硅烯) ]双吡啶
• 英文别名: Bis[dimethyl(2-pyridyl)silyl]methane; 2,2'-[Methylenebis(dimethylsilylene)]bispyridine; Methylenebis[diMethyl(2-pyridyl)silane]; Pyridine, 2,2'-[methylenebis(dimethylsilylene)]bis-; 2,2'-[Methylenebis(dimethylsilanediyl)]dipyridine

物化性质

• 密度: 1.0±0.1 g/cm3
• 沸点: 358.5±27.0 °C at 760 mmHg
• 分子式: C₁₅H₂₂N₂Si₂
• 分子量: 286.520
• 闪点: 170.6±23.7 °C
• 精确质量: 286.132141
• PSA: 25.78000
• LogP: 5.17
• 外观性状: 液体;Light yellow to Yellow to Orange clear liquid
• 蒸汽压: 0.0±0.8 mmHg at 25°C
• 折射率: 1.519
• 储存条件: 存放于惰性气体之中;避免湿气 (分解)
• 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:2

  4.可旋转化学键数量:4

  5.互变异构体数量:无

  6.拓扑分子极性表面积25.8

  7.重原子数量:19

  8.表面电荷:0

  9.复杂度:264

  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

MSDS

Methylenebis[dimethyl(2-pyridyl)silane] Revision number: 5 SAFETY DATA SHEET Section1. IDENTIFICATION Product name:Methylenebis[dimethyl(2-pyridyl)silane] Revision number:5 Section2. HAZARDS IDENTIFICATION GHS classification PHYSICAL HAZARDSNot classified HEALTH HAZARDS Skin corrosion/irritationCategory 2 Category 2A Serious eye damage/eye irritation ENVIRONMENTAL HAZARDSNot classified GHS label elements, including precautionary statements Pictograms or hazard symbols Signal wordWarning Hazard statementsCauses skin irritation Causes serious eye irritation Precautionary statements: Wash hands thoroughly after handling. [Prevention] Wear protective gloves/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, [Response] if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. IF ON SKIN: Gently wash with plenty of soap and water. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Section3. COMPOSITION/INFORMATION ON INGREDIENTS Substance/mixture:Substance Components:Methylenebis[dimethyl(2-pyridyl)silane] Percent:>95.0%(GC) CAS Number:243468-48-6 Synonyms:Bis[dimethyl(2-pyridyl)silyl]methane , 2,2'-[Methylenebis(dimethylsilylene)]bispyridine C15H22N2Si2 Chemical Formula: Section4. FIRST AID MEASURES Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing. Get medical advice/attention if you feel unwell. Methylenebis[dimethyl(2-pyridyl)silane] Section4. FIRST AID MEASURES Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of soap and water. If skin irritation or rash occurs: Get medical advice/attention. Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth. A rescuer should wear personal protective equipment, such as rubber gloves and air- Protection of first-aiders: tight goggles. Section5. FIRE-FIGHTING MEASURES Suitable extinguishingDry chemical, foam, water spray, carbon dioxide. media: Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to from the chemical:generate poisonous fume. Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place. In case of fire in the surroundings: Remove movable containers if safe to do so. Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment. equipment for firefighters: Section6. ACCIDENTAL RELEASE MEASURES Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak. protective equipment and Ensure adequate ventilation. Entry to non-involved personnel should be controlled emergency procedures: around the leakage area by roping off, etc. Environmental precautions: Prevent product from entering drains. Methods and materials for Absorb spilled material in a suitable absorbent (e.g. rag, dry sand, earth, saw-dust). containment and cleaning In case of large amount of spillage, contain a spill by bunding. Adhered or collected up: material should be promptly disposed of, in accordance with appropriate laws and regulations. Section7. HANDLING AND STORAGE Precautions for safe handling Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment. Prevent generation of vapour or mist. Wash hands and face thoroughly after handling. Use a ventilation, local exhaust if vapour or aerosol will be generated. Advice on safe handling: Avoid contact with skin, eyes and clothing. Conditions for safe storage, including any incompatibilities Storage conditions:Keep container tightly closed. Store in a cool and dark place. Store under inert gas. Protect from moisture. Store away from incompatible materials such as oxidizing agents. Moisture-sensitive Packaging material:Comply with laws. Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION Engineering controls:Install a closed system or local exhaust as possible so that workers should not be exposed directly. Also install safety shower and eye bath. Personal protective equipment Respiratory protection: Vapor respirator. Follow local and national regulations. Protective gloves. Hand protection: Eye protection:Safety glasses. A face-shield, if the situation requires. Skin and body protection: Protective clothing. Protective boots, if the situation requires. Methylenebis[dimethyl(2-pyridyl)silane] Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Liquid Form:Clear Pale yellow - Yellow Colour: Odour:No data available pH: No data available Melting point/freezing point:No data available No data available Boiling point/range: Flash point:No data available Flammability or explosive limits: No data available Lower: Upper:No data available No data available Relative density: Solubility(ies): No data available [Water] [Other solvents]No data available Section10. STABILITY AND REACTIVITY Chemical stability:Stable under proper conditions. Possibility of hazardous No special reactivity has been reported. reactions: Incompatible materials: Oxidizing agents Hazardous decomposition Carbon monoxide, Carbon dioxide, Nitrogen oxides (NOx), Silicon oxides products: Section11. TOXICOLOGICAL INFORMATION Acute Toxicity:No data available Skin corrosion/irritation: No data available Serious eyeNo data available damage/irritation: Germ cell mutagenicity: No data available Carcinogenicity: IARC =No data available No data available NTP = Reproductive toxicity:No data available Section12. ECOLOGICAL INFORMATION Ecotoxicity: Fish:No data available Crustacea:No data available Algae:No data available Persistence / degradability: No data available BioaccumulativeNo data available potential(BCF): Mobility in soil Log Pow:No data available Soil adsorption (Koc):No data available Henry's LawNo data available constant(PaM3/mol): Section13. DISPOSAL CONSIDERATIONS Recycle to process, if possible. Consult your local regional authorities. You may be able to burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance. Methylenebis[dimethyl(2-pyridyl)silane] Section14. TRANSPORT INFORMATION Hazards Class:Does not correspond to the classification standard of the United Nations UN-No:Not listed Section15. REGULATORY INFORMATION Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002 and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were prescribed. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 风险声明 (欧洲): 36/37/38
• 安全声明 (欧洲): 26-36
• 海关编码: 2933399090

合成路线

21032-48-4 13737-04-7 ~61% 243468-48-6

文献：Itami; Kamei; Mitsudo; Nokami; Yoshida Journal of Organic Chemistry, 2001 , vol. 66, # 11 p. 3970 - 3976

13737-04-7 ~62% 243468-48-6

文献：Itami, Kenichiro; Nokami, Toshiki; Yoshida, Jun-Ichi Organic Letters, 2000 , vol. 2, # 9 p. 1299 - 1302

上下游产品

上游产品  2
21032-48-4 13737-04-7
下游产品  0

海关

海关编码	2933399090
中文概述	2933399090. 其他结构含非稠合吡啶环的化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%