108052-76-2

• 常用中文名：4-溴甲基苯甲酸叔丁酯
• 常用英文名：tert-Butyl 4-(bromomethyl)benzoate
• CAS号：108052-76-2
• 分子式：C₁₂H₁₅BrO₂
• 分子量：271.150
• 发布时间：2018-03-04 08:00:00
• 更新时间：2024-01-12 11:28:53
• 【用途一】
  4-溴甲基苯甲酸叔丁酯是合成杀螨剂唑螨酯的中间体。

名称

• 中文名: 4-溴甲基苯甲酸叔丁酯
• 英文名: tert-Butyl 4-(bromomethyl)benzoate
• 中文别名: 对溴甲基苯甲酸叔丁酯
• 英文别名: Benzoic acid, 4-(bromomethyl)-, 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 4-(bromomethyl)benzoate; MFCD04973450; tert-butyl 4-(bromomethyl)benzoate

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 320.9±25.0 °C at 760 mmHg
• 分子式: C₁₂H₁₅BrO₂
• 分子量: 271.150
• 闪点: 147.9±23.2 °C
• 精确质量: 270.025543
• PSA: 26.30000
• LogP: 4.13
• 蒸汽压: 0.0±0.7 mmHg at 25°C
• 折射率: 1.538
• 储存条件: 室温，干燥，密封

MSDS

Material Safety Data Sheet Section1. Identification of the substance Product Name: 4-Bromo methyl benzoic acid mono tert-butyl ester Synonyms: Section2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. Section3. Composition/information on ingredients. Ingredient name:4-Bromo methyl benzoic acid mono tert-butyl ester CAS number:108052-76-2 Section4. First aid measures Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing contaminated clothing and shoes. If irritation persists, seek medical attention. Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical attention. Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention. Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention. Section5. Fire fighting measures In the event of a fire involving this material, alone or in combination with other materials, use dry powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus should be worn. Section6. Accidental release measures Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national standards. Respiratory precaution:Wear approved mask/respirator Hand precaution:Wear suitable gloves/gauntlets Skin protection:Wear suitable protective clothing Eye protection:Wear suitable eye protection Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container for disposal. See section 12. Environmental precautions: Do not allow material to enter drains or water courses. Section7. Handling and storage Handling:This product should be handled only by, or under the close supervision of, those properly qualified in the handling and use of potentially hazardous chemicals, who should take into account the fire, health and chemical hazard data given on this sheet. Store in closed vessels. Storage: Section8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section9. Physical and chemical properties Appearance:Not specified Boiling point:No data No data Melting point: Flash point:No data Density:No data Molecular formula:C12H15BrO2 Molecular weight:271.2 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, hydrogen bromide. Section11. Toxicological information No data. Section12. Ecological information No data. Section13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section14. Transportation information Non-harzardous for air and ground transportation. Section15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xi

合成路线

上下游产品

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下游产品  4
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制备

【方法一】
其制备方法是在装有搅拌器、温度计的三口瓶中加入0.56g叔丁醇、0.395g吡啶和1.75g 4-溴甲基苯甲酰氯，于10～30℃反应5h。反应结束后向反应瓶中加入10mL水，移至分液漏斗中，用乙酸乙酯萃取。萃取液合并，以稀酸洗涤并分去酸水层后减压脱溶，得0.98g 4-溴甲基苯甲酸叔丁酯，收率72.0％。