(E)-1,4-Dibromobut-2-Ene 反式-1,4-二溴-2-丁烯

CAS 821-06-7 MFCD00000249

化学结构图

821-06-7
SMILES: BrC/C=C\CBr

化学属性

Mol. FormulaC4H6Br2
Mol. Weight214
Boiling Point205
Melting Point48-51
Flash Point113 °C

别名和识别编码

Chemical Name(E)-1,4-Dibromobut-2-Ene
MDL NumberMFCD00000249
CAS Number821-06-7
PubChem Substance ID641245
EC Number212-472-7
Beilstein Registry Number1(4)791
Synonym trans-1,4-Dibromobut-2-ene 1,4-二溴-2-丁烯 1,4-trans-Dibromobutene-2 1,4-dibromo-2-buten Cis-1,4-DibromoButene 1,4-二溴丁烯-2 TRANS-1,4-DIBROMO-2-BUTENE 1,4-DIBROMO-2-BUTYLENE Dibromobutene 反式-1,4-二溴-2-丁烯 1,4-dibromobut-2-ene TRANS-1,4-DIBROMOBUT-2-ENE tl80 TL 80 1,4-DIBROMO-2-BUTENE (e)-1,4-dibromobut-2-ene
Chemical Name Translation反式-1,4-二溴-2-丁烯
Reaxys-RN1719696
Wiswesser Line NotationE2U2E -T
InChIKeyRMXLHIUHKIVPAB-OWOJBTEDSA-N
LabNetwork Molecule IDLN00236143
InChIInChI=1S/C4H6Br2/c5-3-1-2-4-6/h1-2H,3-4H2/b2-1+
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分类

  • {SNA} Alkenyl, Building Blocks, Chemical Synthesis, Halogenated Hydrocarbons, Organic Building Blocks

安全信息

GHS Symbol
WGK Germany2
Hazard statements
  • H301 Toxic if swallowed 吞食有毒
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
RTECSEM4725000
Precautionary statements
  • P202 Do not handle until all safety precautions have been read and understood. 已阅读并理解所有的安全预防措施之前,切勿操作。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P301+P310
  • P303+P361+P353
  • P303+P361+P353+P310+P363
  • P304+P340
  • P305+P351+P338
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word Danger
Safety Statements
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
Hazard Codes 8 T
Risk Statements
  • R25 Toxic if swallowed 吞咽有毒
  • R34 Causes burns 会导致灼伤
Storage condition 0-6°C 0-10°C
UN Number 2923 UN 2923 8/PG 2
Packing GroupII
Hazard Class8/6.1
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 29 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SCCUR* Shell Chemical Company.  Unpublished Report.  (2401 Crow Canyon Rd.,
   San Romon, CA 94583)  Volume(issue)/page/year: -,9,1961

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 62 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SCCUR* Shell Chemical Company.  Unpublished Report.  (2401 Crow Canyon Rd.,
   San Romon, CA 94583)  Volume(issue)/page/year: -,9,1961

其他信息

  • color:colorless to slightly brown
  • 上游原料:溴化物
  • 用途一:用作有机合成中间体。
  • F:8-19
  • 方法一:由1,3-丁二烯与溴反应而得。将126g液态,1,3-丁二烯加入冷却至-5~15℃的250ml四氯化碳溶液中,在搅拌下滴加76ml溴溶于100ml四氯化碳的溶液。放置两天后减压蒸去四氯化碳,加入约1体积的石油醚,温度为60-90℃,趁热过滤,滤液冷却后析出二溴化物172.8g,静置10d后又析出78.5g,共得成品251.3g,产率79%。
  • MOL 文件:6974-12-5.mol

系列性分类


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