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| 中文名 | 2,5-二溴-3-甲基噻吩 |
|---|---|
| 英文名 | 2,5-dibromo-3-methylthiophene |
| 中文别名 | 3-甲基-2,5-二溴噻吩 |
| 英文别名 |
2,5-Dibrom-3-methyl-thiophen
Thiophene, 2,5-dibromo-3-methyl- 2,5-dibromo-3-methylthiophen MFCD00015470 2-(p-Nitrophenylthio)ethanol EINECS 236-147-4 2,5-dibromo-3-methyl-thiophene 2,4-DICHLORO-N'-(2-CHLOROACETYL)BENZENECARBOHYDRAZIDE 2,5-DIBROMO-3-METHYLTHIOPHENE 3-methyl-2,5-dibromothiophene |
| 密度 | 2.0±0.1 g/cm3 |
|---|---|
| 沸点 | 230.2±35.0 °C at 760 mmHg |
| 分子式 | C5H4Br2S |
| 分子量 | 255.958 |
| 闪点 | 93.0±25.9 °C |
| 精确质量 | 253.840027 |
| PSA | 28.24000 |
| LogP | 4.01 |
| 外观性状 | 液体;Colorless to Light orange to Yellow clear liquid |
| 蒸汽压 | 0.1±0.4 mmHg at 25°C |
| 折射率 | 1.621 |
| 储存条件 | 常温密闭，阴凉通风干燥 |
| 稳定性 | 常温常压下稳定 避免的物料 氧化物 光 |
| 分子结构 | 1、 摩尔折射率：44.84 2、 摩尔体积（m3/mol）：127.5 3、 等张比容（90.2K）：329.0 4、 表面张力（dyne/cm）：44.2 5、 极化率（10-24cm3）：17.77 |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:4 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28.2 7.重原子数量:8 8.表面电荷:0 9.复杂度:86.5 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：灰黄色液体 2. 密度（g/mL, 25 ℃ ）：1.972 3. 相对蒸汽密度（g/mL,空气=1）：未确定 4. 熔点（ºC）：未确定 5. 沸点（ºC,常压）：226-230 6. 沸点（ºC，5mmHg）：未确定 7. 折射率：1.6130 8. 闪点（ºC）：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（20ºC）：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 |
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2,5-Dibromo-3-methylthiophene
Revision number: 5
SAFETY DATA SHEET Section1. IDENTIFICATION Product name:2,5-Dibromo-3-methylthiophene 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:2,5-Dibromo-3-methylthiophene Percent:>98.0%(GC) CAS Number:13191-36-1 Chemical Formula:C5H4Br2S 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. 2,5-Dibromo-3-methylthiophene 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: Unsuitable extinguishing Solid streams of water 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 refrigerator. Store away from incompatible materials such as oxidizing agents. Heat-sensitive, Light-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. 2,5-Dibromo-3-methylthiophene 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 108°C/2.3kPa Boiling point/range: Flash point:No data available Flammability or explosive limits: No data available Lower: Upper:No data available 1.99 Relative density: Solubility(ies): No data available [Water] [Other solvents]No data available 4.14 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, Sulfur oxides, 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:4.14 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. 2,5-Dibromo-3-methylthiophene 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 |
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毒理学数据: 主要的刺激性影响： 在皮肤上面：刺激皮肤和粘膜 在眼睛上面：刺激的影响 致敏作用：没有已知的敏化现象 生态学数据: 通常对水是不危害的，若无政府许可，勿将材料排入周围环境
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| 符号 |
GHS05, GHS07 |
|---|---|
| 信号词 | Danger |
| 危害声明 | H302-H315-H318 |
| 警示性声明 | P280-P305 + P351 + P338 |
| 危害码 (欧洲) | Xn |
| 风险声明 (欧洲) | R36/38 |
| 安全声明 (欧洲) | S26-S36 |
| 危险品运输编码 | UN 2810 6.1 / PGIII |
| 海关编码 | 2934999090 |
| 海关编码 | 2934999090 |
|---|---|
| 中文概述 | 2934999090. 其他杂环化合物. 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 |
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
