3069-21-4

• 常用中文名：十二烷基三甲氧基硅烷
• 常用英文名：Dodecyltrimethoxysilane
• CAS号：3069-21-4
• 分子式：C₁₅H₃₄O₃Si
• 分子量：290.514
• 相关类别： 化学试剂 有机试剂 硅氧烷
• 发布时间：2018-08-15 17:54:04
• 更新时间：2024-01-02 16:57:39
• 【用途一】
  可用作工程塑料改性、建筑物防水防蚀、橡胶塑料脱模、玻璃防雾等

名称

• 中文名: 十二烷基三甲氧基硅烷
• 英文名: Dodecyltrimethoxysilane
• 中文别名: N-十二烷基三甲氧基硅烷
• 英文别名: N-DODECYLTRIMETHOXYSILANE; MFCD00069148; DodecyltriMethoxysilane; Silane coupler WD-10; Silane coupler HD-111; Longchainalkyl-trimethoxysilane; n-dodecytrimethoxysilane; Dodecyl(trimethoxy)silane; 1-TRIMETHOXYSILYLDODECANE; Trimethox-dodecyl-silan; HD-111; Silane, dodecyltrimethoxy-; trimethoxydodecylsilan; Lauryltrimethoxysilane; EINECS 221-332-4

物化性质

• 密度: 0.9±0.1 g/cm3
• 沸点: 234.9±8.0 °C at 760 mmHg
• 熔点: -40°C
• 分子式: C₁₅H₃₄O₃Si
• 分子量: 290.514
• 闪点: 108.6±21.3 °C
• 精确质量: 290.227722
• PSA: 27.69000
• LogP: 5.98
• 外观性状: 无色至淡黄色透明液体
• 蒸汽压: 0.1±0.4 mmHg at 25°C
• 折射率: 1.430
• 储存条件:

  密闭于阴凉干燥环境中

• 稳定性:

  遵照规定使用和储存则不会分解。

• 分子结构:

  1、 摩尔折射率：85.49

  2、 摩尔体积（m³/mol）：330.9

  3、 等张比容（90.2K）：747.0

  4、 表面张力（dyne/cm）：25.9

  5、 极化率（10^-24cm³）：33.89

• 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:3

  4.可旋转化学键数量:14

  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:19

  8.表面电荷:0

  9.复杂度:176

  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：无可用

  2. 密度（g/mL,25/4℃）：0.89

  3. 相对蒸汽密度（g/mL,空气=1）：无可用

  4. 熔点（ºC）：-40

  5. 沸点（ºC,常压）：125

  6. 沸点（ºC,5.2kPa）：无可用

  7. 折射率：1.4274

  8. 闪点（ºC）：108

  9. 比旋光度（º）：无可用

  10. 自燃点或引燃温度（ºC）：无可用

  11. 蒸气压（kPa,25ºC）：无可用

  12. 饱和蒸气压（kPa,60ºC）：无可用

  13. 燃烧热（KJ/mol）：无可用

  14. 临界温度（ºC）：无可用

  15. 临界压力（KPa）：无可用

  16. 油水（辛醇/水）分配系数的对数值：无可用

  17. 爆炸上限（%,V/V）：无可用

  18. 爆炸下限（%,V/V）：无可用

  19. 溶解性：无可用

MSDS

Dodecyltrimethoxysilane Revision number: 5 SAFETY DATA SHEET Section1. IDENTIFICATION Product name:Dodecyltrimethoxysilane 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:Dodecyltrimethoxysilane Percent:>93.0%(GC) CAS Number:3069-21-4 Synonyms:Lauryltrimethoxysilane C15H34O3Si 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. Dodecyltrimethoxysilane 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, carbon dioxide. media: Unsuitable extinguishing Water (It may scatter and spread fire.) 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. Dodecyltrimethoxysilane Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION Skin and body protection: Protective clothing. Protective boots, if the situation requires. Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Liquid Clear Form: Colour:Colorless - Almost colorless No data available Odour: pH: No data available Melting point/freezing point:-40°C Boiling point/range:118°C/0.2kPa Flash point:108°C Flammability or explosive limits: Lower:No data available Upper:No data available Relative density:0.90 Solubility(ies): [Water]No data available [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, 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: No data available IARC = NTP =No data available Reproductive toxicity:No data available Section12. ECOLOGICAL INFORMATION Ecotoxicity: Fish:No data available No data available Crustacea: 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): Dodecyltrimethoxysilane 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. 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

毒性和生态

生态学数据: 该物质对环境可能有危害，对水体应给予特别注意。

安全

• 危害码 (欧洲): Xi
• 风险声明 (欧洲): R36/38
• 安全声明 (欧洲): S26-S36/37/39
• 海关编码: 2931900090

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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%