209919-30-2

• 常用中文名：4-氯-2-甲基苯硼酸
• 常用英文名：4-Chloro-2-methylphenylboronic acid
• CAS号：209919-30-2
• 分子式：C₇H₈BClO₂
• 分子量：170.401
• 相关类别： 化学试剂 有机试剂 硼酸
• 发布时间：2018-09-15 11:21:29
• 更新时间：2024-01-02 13:35:31
• 下载msds

名称

• 中文名: 4-氯-2-甲基苯硼酸
• 英文名: (4-chloro-2-methylphenyl)boronic acid
• 中文别名: 4-氯邻甲基苯硼酸; 4-氯-2-甲基苯基硼酸; 2-甲基-4-氯苯硼酸
• 英文别名: 4-Chloro-o-tolylboronic Acid; 4-Chloro-2-methylphenylboronic Acid; MFCD02683107; (4-Chloro-2-methylphenyl)boronic acid; Boronic acid, B-(4-chloro-2-methylphenyl)-; 4-chloro-o-tolueneboronic acid; 4-chloro-2-methylbenzeneboronic acid; 2-methyl-4-chlorophenyl-boronic acid

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 314.9±52.0 °C at 760 mmHg
• 熔点: 193-195°C
• 分子式: C₇H₈BClO₂
• 分子量: 170.401
• 闪点: 144.2±30.7 °C
• 精确质量: 170.030594
• PSA: 40.46000
• LogP: 2.64
• 外观性状: 固体;White to Almost white powder to crystal
• 蒸汽压: 0.0±0.7 mmHg at 25°C
• 折射率: 1.549
• 储存条件:

  保存方法：密闭，阴凉，通风燥处

• 稳定性:

  避氧化物

• 水溶解性: 可溶于：甲醇
• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:2

  3.氢键受体数量:2

  4.可旋转化学键数量:1

  5.互变异构体数量:无

  6.拓扑分子极性表面积40.5

  7.重原子数量:11

  8.表面电荷:0

  9.复杂度:132

  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：粉末

  2. 密度（g/mL）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）未确定

  4. 熔点（ºC）：193-195

  5. 沸点（ºC,常压）：未确定

  6. 沸点（ºC16mmHg）：未确定

  7. 折射率：未确定

  8. 闪点（º C）：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,25ºC）：未确定

  12. 饱和蒸气压（kPa,60ºC）：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：未确定

MSDS

4-Chloro-2-methylphenylboronic Acid (contains varying Revision number: 6 amounts of Anhydride) SAFETY DATA SHEET Section1. IDENTIFICATION Product name:4-Chloro-2-methylphenylboronic Acid (contains varying amounts of Anhydride) Revision number:6 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 Warning Signal word 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 4-Chloro-2-methylphenylboronic Acid (contains varying amounts of Anhydride) Components: Percent:.... 209919-30-2 CAS Number: Synonyms:4-Chloro-2-methylbenzeneboronic Acid (contains varying amounts of Anhydride) , 4- Chloro-o-tolylboronic Acid (contains varying amounts of Anhydride) Chemical Formula:C7H8BClO2 varying amounts of Anhydride) 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. 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 Entry to non-involved personnel should be controlled around the leakage area by emergency procedures: roping off, etc. Environmental precautions: Prevent product from entering drains. Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it. containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with up: 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 dispersion of dust. Wash hands and face thoroughly after handling. Use a local exhaust if dust 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 away from incompatible materials such as oxidizing agents. Comply with laws. Packaging material: 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: Dust respirator. Follow local and national regulations. Hand protection:Protective gloves. Safety glasses. A face-shield, if the situation requires. Eye protection: Skin and body protection: Protective clothing. Protective boots, if the situation requires. Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Solid varying amounts of Anhydride) Section9. PHYSICAL AND CHEMICAL PROPERTIES Form:Crystal- Powder Colour:White - Very pale yellow Odour:No data available pH: No data available Melting point/freezing point:195°C Boiling point/range:No data available Flash point:No data available Flammability or explosive limits: Lower:No data available Upper:No data available Relative density:No data available Solubility(ies): [Water]No data available [Other solvents] Soluble:Methanol Section10. STABILITY AND REACTIVITY Stable under proper conditions. Chemical stability: Possibility of hazardous No special reactivity has been reported. reactions: Incompatible materials: Oxidizing agents Hazardous decomposition Carbon monoxide, Carbon dioxide, Boron oxides , Hydrogen chloride 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 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 No data available Log Pow: Soil adsorption (Koc):No data available No data available Henry's Law constant(PaM3/mol): Section13. DISPOSAL CONSIDERATIONS Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance. varying amounts of Anhydride) 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: 1、其它有害作用：通常对水是稍微危害的，若无政府许可，勿将材料排入周围环境。

安全

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

合成路线

14495-51-3 ~79% 209919-30-2

文献：KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY; OSCOTEC INC. Patent: WO2005/123054 A1, 2005 ; Location in patent: Page/Page column 23 ;

上下游产品

上游产品  1
14495-51-3
下游产品  3
95-69-2 1570-64-5 916220-05-8

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%