39919-65-8

• 常用中文名：2,5-二溴-6-甲基吡啶
• 常用英文名：2,5-Dibromo-6-methylpyridine
• CAS号：39919-65-8
• 分子式：C₆H₅Br₂N
• 分子量：250.92
• 相关类别： 医药中间体 杂环化合物 吡啶类化合物 甲基吡啶
• 发布时间：2018-03-22 08:00:00
• 更新时间：2024-01-03 17:02:40
• 2,5-二溴-6-甲基吡啶是一种生物化学试剂,可作为生物材料或有机化合物用于生命科学相关研究。

名称

• 中文名: 2,5-二溴-6-甲基吡啶
• 英文名: 2,5-dibromo-6-methylpyridine
• 中文别名: 3,6-二溴-2-甲基吡啶; 2-甲基-3,6-二溴吡啶; 2,4-二氯苯胺; 3.6-二溴-2-皮考啉
• 英文别名: Pyridine, 3,6-dibromo-2-methyl-; 2,5-DIBROMO-6-METHYLPYRIDINE; 3,6-Dibromo-2-methylpyridine; MFCD06254589; 3,6-Dibromo-2-picoline

物化性质

• 密度: 1.9±0.1 g/cm3
• 沸点: 243.9±35.0 °C at 760 mmHg
• 熔点: 0°C
• 分子式: C₆H₅Br₂N
• 分子量: 250.92
• 闪点: 101.3±25.9 °C
• 精确质量: 248.878860
• PSA: 12.89000
• LogP: 3.04
• 蒸汽压: 0.0±0.5 mmHg at 25°C
• 折射率: 1.594
• 储存条件:

  密封、阴凉、干燥保存

• 稳定性:

  常规情况下不会分解，没有危险反应

• 计算化学:

  1.疏水参数计算参考值（XlogP）:3

  2.氢键供体数量:0

  3.氢键受体数量:1

  4.可旋转化学键数量:0

  5.互变异构体数量:无

  6.拓扑分子极性表面积12.9

  7.重原子数量:9

  8.表面电荷:0

  9.复杂度:97.1

  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：未确定

  2. 密度（g/mL,25 ºC）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）： 未确定

  4. 熔点（ºC）：0

  5. 沸点（ºC）：0

  6. 沸点（ºC，5mm hg）：未确定

  7. 折射率：未确定

  8. 闪点（ºC）：0

  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

生物活性

• 描述: 2,5-二溴-6-甲基吡啶是一种生物化学试剂,可作为生物材料或有机化合物用于生命科学相关研究。
• 相关类别:
  研究领域 >> 其他

MSDS

3,6-Dibromo-2-methylpyridine Revision number: 5.3 SAFETY DATA SHEET Section1. IDENTIFICATION Product name:3,6-Dibromo-2-methylpyridine Revision number:5.3 Section2. HAZARDS IDENTIFICATION GHS classification PHYSICAL HAZARDSNot classified HEALTH HAZARDS Acute toxicity (Oral)Category 4 Category 2 Skin corrosion/irritation Serious eye damage/eye irritationCategory 2A Not classified ENVIRONMENTAL HAZARDS GHS label elements, including precautionary statements Pictograms or hazard symbols Signal wordWarning Hazard statementsHarmful if swallowed Causes skin irritation Causes serious eye irritation Precautionary statements: Do not eat, drink or smoke when using this product. [Prevention] Wash hands thoroughly after handling. Wear protective gloves/eye protection/face protection. [Response]IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. IF IN EYES: 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. 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. [Disposal]Dispose of contents/container through a waste management company authorized by the local government. Section3. COMPOSITION/INFORMATION ON INGREDIENTS Substance/mixture:Substance Components:3,6-Dibromo-2-methylpyridine >98.0%(GC)(T) Percent: CAS Number:39919-65-8 3,6-Dibromo-2-methylpyridine Section3. COMPOSITION/INFORMATION ON INGREDIENTS Synonyms:3,6-Dibromo-2-picoline Chemical Formula:C6H5Br2N Section4. FIRST AID MEASURES Remove victim to fresh air and keep at rest in a position comfortable for breathing. Inhalation: Get medical advice/attention if you feel unwell. Remove/Take off immediately all contaminated clothing. Gently wash with plenty of Skin contact: soap and water. If skin irritation or rash occurs: Get medical advice/attention. Rinse cautiously with water for several minutes. Remove contact lenses, if present Eye contact: and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Ingestion:Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. Protection of first-aiders:A rescuer should wear personal protective equipment, such as rubber gloves and air- 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 generate poisonous fume. from the chemical: 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 Use personal protective equipment. Keep people away from and upwind of spill/leak. Personal precautions, 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 Handling is performed in a well ventilated place. Wear suitable protective equipment. Technical measures: 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. Packaging material:Comply with laws. Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION Install a closed system or local exhaust as possible so that workers should not be Engineering controls: 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. Eye protection:Safety glasses. A face-shield, if the situation requires. Skin and body protection: Protective clothing. Protective boots, if the situation requires. 3,6-Dibromo-2-methylpyridine Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Solid Crystal- Powder Form: Colour:Very pale yellow - Pale yellow No data available Odour: pH: No data available Melting point/freezing point:38°C Boiling point/range:No data available No data available Flash point: Flammability or explosive limits: Lower:No data available No data available Upper: Relative density:No data available Solubility(ies): [Water]No data available [Other solvents] Soluble:Methanol 2.89 Log Pow: 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), Hydrogen bromide products: Section11. TOXICOLOGICAL INFORMATION No data available Acute Toxicity: Skin corrosion/irritation: No data available No data available Serious eye damage/irritation: Germ cell mutagenicity: No data available Carcinogenicity: No data available IARC = NTP =No data available No data available Reproductive toxicity: 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:2.89 Soil adsorption (Koc):No data available Henry's LawNo data available constant(PaM3/mol): 3,6-Dibromo-2-methylpyridine 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. 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: 对水是稍微有危害的不要让未稀释或大量的产品接触地下水、水道或者污水系统，若无政府许可，勿将材料排入周围环境。

安全

• 符号: GHS05, GHS06
• 信号词: Danger
• 危害声明: H301-H318
• 警示性声明: P280-P301 + P310-P305 + P351 + P338
• 个人防护装备: dust mask type N95 (US);Eyeshields;Faceshields;Gloves
• 危害码 (欧洲): Xi,Xn
• 风险声明 (欧洲): R22
• 安全声明 (欧洲): S26-S36/37/39
• 危险品运输编码: UN 2811 6.1/PG 3
• 包装等级: III
• 海关编码: 2933399090

合成路线

42753-71-9 ~73% 39919-65-8

文献：ANORMED INC. Patent: WO2007/22371 A2, 2007 ; Location in patent: Page/Page column 50-51 ; WO 2007/022371 A2

853569-71-8 ~77% 39919-65-8

文献：BRISTOL-MYERS SQUIBB PHARMA COMPANY Patent: WO2005/51954 A2, 2005 ; Location in patent: Page/Page column 38; 39 ; WO 2005/051954 A2

42753-71-9 853569-71-8 ~70% 39919-65-8

文献：BRISTOL-MYERS SQUIBB PHARMA COMPANY Patent: WO2005/51954 A2, 2005 ; Location in patent: Page/Page column 38; 39 ; WO 2005/051954 A2

54923-31-8 ~% 39919-65-8

文献：Diaz, Caroline Jean; Haffner, Curt Dale; Speake, Jason Daniel; Zhang, Cunyu; Mills, Wendy Yoon; Spearing, Paul Kenneth; Cowan, David John; Green, Gary Martin Patent: US2010/222345 A1, 2010 ; Location in patent: Page/Page column 95 ;

上下游产品

上游产品  3
42753-71-9 853569-71-8 54923-31-8
下游产品  5
1008361-77-0 1173897-86-3 126717-59-7 87286-77-9
926293-55-2

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%