1984-25-4

• 常用中文名：4-溴-N-乙基苯磺酰胺
• 常用英文名：4-bromo-N-ethylbenzenesulfonamide
• CAS号：1984-25-4
• 分子式：C₈H₁₀BrNO₂S
• 分子量：264.14000
• 相关类别： 原料药 人工合成抗感染类药 磺胺类药及增效剂
• 发布时间：2018-05-24 08:00:00
• 更新时间：2024-01-29 11:18:16

名称

• 中文名: N-乙基-4-溴苯磺酰胺
• 英文名: 4-bromo-N-ethylbenzenesulfonamide
• 中文别名: 4-溴-N-乙基苯磺酰胺
• 英文别名: Benzenesulfonamide,4-bromo-N-ethyl; 4-Brom-benzolsulfonsaeure-aethylamid; Benzenesulfonamide,p-bromo-N-ethyl; 4-Bromo-N-Ethyl-Benzenesulfonamide; p-Bromo-N-ethylbenzenesulfonamide; N-ethyl-4-bromobenzenesulfonamide; 4-Bromo-N-ethylbenzenesulphonamide; N-Ethyl-p-bromobenzenesulfonamide; 4-bromo-benzenesulfonic acid ethylamide

物化性质

• 密度: 1.529g/cm3
• 沸点: 342.5ºC at 760 mmHg
• 熔点: 69-71ºC
• 分子式: C₈H₁₀BrNO₂S
• 分子量: 264.14000
• 闪点: 161ºC
• 精确质量: 262.96200
• PSA: 54.55000
• LogP: 3.21900
• 蒸汽压: 7.48E-05mmHg at 25°C
• 折射率: 1.564
• 储存条件: 室温
• 计算化学:

  1.疏水参数计算参考值（XlogP）:1.9

  2.氢键供体数量:1

  3.氢键受体数量:3

  4.可旋转化学键数量:3

  5.互变异构体数量:无

  6.拓扑分子极性表面积:54.6

  7.重原子数量:13

  8.表面电荷:0

  9.复杂度:239

  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

MSDS

Material Safety Data Sheet Section1. Identification of the substance N-Ethyl 4-bromobenzenesulfonamide Product Name: Synonyms: Section2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. H315:Causes skin irritation H319:Causes serious eye irritation H335:May cause respiratory irritation P261:Avoid breathing dust/fume/gas/mist/vapours/spray Wear protective gloves/protective clothing/eye protection/face protection P280: P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing P304+P340:IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing P405:Store locked up Section3. Composition/information on ingredients. N-Ethyl 4-bromobenzenesulfonamide Ingredient name: CAS number:1984-25-4 Section4. First aid measures Immediately wash skin with copious amounts of water for at least 15 minutes while removing Skin contact: 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. Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention. Ingestion: 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. Storage:Store in closed vessels. 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 Not specified Appearance: Boiling point:No data Melting point:No data Flash point:No data Density:No data Molecular formula:C8H10BrNO2S Molecular weight:264.1 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, hydrogen bromide, sulfur oxides. 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

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : DB0875000 CHEMICAL NAME : Benzenesulfonamide, p-bromo-N-ethyl- CAS REGISTRY NUMBER : 1984-25-4 BEILSTEIN REFERENCE NO. : 3286451 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C8-H10-Br-N-O2-S MOLECULAR WEIGHT : 264.16 WISWESSER LINE NOTATION : ER DSWM2 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 250 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,20,1953 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 562 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 8,548,1965

安全

• 危害码 (欧洲): Xi: Irritant;
• 海关编码: 2935009090

合成路线

557-66-4 98-58-8 ~% 1984-25-4

文献：Chemistry - A European Journal, , vol. 19, # 50 p. 16910 - 16915

75-04-7 ~% 1984-25-4

文献：Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, , vol. 31, p. 648,650 Chem. Zentralbl., , vol. 70, # II p. 868

上下游产品

上游产品  3
557-66-4 98-58-8 75-04-7
下游产品  0

海关

海关编码	2935009090
中文概述	2935009090 其他磺（酰）胺. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:35.0%
申报要素	品名, 成分含量, 用途
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%