ChemicalBook > CAS DataBase List > (E)-1,4-Dibromobut-2-ene

(E)-1,4-Dibromobut-2-ene

(E)-1,4-Dibromobut-2-ene Structure
(E)-1,4-Dibromobut-2-ene
  • CAS No.821-06-7
  • Chemical Name:(E)-1,4-Dibromobut-2-ene
  • CBNumber:CB3312702
  • Molecular Formula:C4H6Br2
  • Formula Weight:213.9
  • MOL File:821-06-7.mol
(E)-1,4-Dibromobut-2-ene Property
  • Melting point 48-51 °C(lit.)
  • Boiling point 205 °C(lit.)
  • Density 1.9393 (estimate)
  • refractive index 1.5361 (estimate)
  • Flash point 113°C
  • storage temp. 2-8°C
  • solubility Chloroform (Slightly), Methanol (Slightly)
  • form Crystals or Crystalline Powder
  • color colorless to slightly brown
  • Water Solubility slightly soluble
  • BRN 1719696
  • Stability Light Sensitive
  • InChIKey RMXLHIUHKIVPAB-OWOJBTEDSA-N
  • CAS DataBase Reference 821-06-7(CAS DataBase Reference)
  • EWG's Food Scores 1
  • NIST Chemistry Reference 2-Butene, 1,4-dibromo-, (E)-(821-06-7)
  • EPA Substance Registry System 2-Butene, 1,4-dibromo-, (2E)- (821-06-7)
  • UNSPSC Code 12352100
  • NACRES NA.22
Safety
  • Hazard Codes  :T,C
  • Risk Statements  :25-34-23/25
  • Safety Statements  :26-36/37/39-45-28A
  • RIDADR  :UN 2923 8/PG 2
  • WGK Germany  :2
  • RTECS  :EM4725000
  • F  :8-19
  • Hazard Note  :Toxic/Corrosive
  • HazardClass  :6.1(b)
  • PackingGroup  :III
  • HS Code  :29033990
  • NFPA 704:
    1
    3 0
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H301-H314
  • Precautionary statements P260-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
(E)-1,4-Dibromobut-2-ene Price More Price(4)
  • Brand: Sigma-Aldrich(India)
  • Product number: D39207
  • Product name : trans-1,4-Dibromo-2-butene
  • Purity: 99%
  • Packaging: 25G
  • Price: ₹8432.68
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: D39207
  • Product name : trans-1,4-Dibromo-2-butene
  • Purity: 99%
  • Packaging: 100G
  • Price: ₹27387.25
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: TCI Chemicals (India)
  • Product number: D2944
  • Product name : trans-1,4-Dibromo-2-butene
  • Purity: min. 98.0 %
  • Packaging: 25G
  • Price: ₹8400
  • Updated: 2022/05/26
  • Buy: Buy
  • Brand: TCI Chemicals (India)
  • Product number: D2944
  • Product name : trans-1,4-Dibromo-2-butene
  • Purity: min. 98.0 %
  • Packaging: 250G
  • Price: ₹41400
  • Updated: 2022/05/26
  • Buy: Buy

(E)-1,4-Dibromobut-2-ene Chemical Properties,Usage,Production

  • Chemical Properties white to light yellow crystal powde
  • Uses (2E)-1,4-Dibromo-2-butene, is used as a reagent in the preparation of diaminoalkenes though copper-mediated diamination reaction.
  • Synthesis Reference(s) The Journal of Organic Chemistry, 36, p. 3324, 1971 DOI: 10.1021/jo00821a012
  • General Description Crystals or white crystalline solid.
  • Air & Water Reactions (E)-1,4-Dibromobut-2-ene may be sensitive to exposure to light and air. Insoluble in water.
  • Reactivity Profile (E)-1,4-Dibromobut-2-ene is incompatible with strong oxidizers and strong bases.
  • Fire Hazard (E)-1,4-Dibromobut-2-ene is probably combustible.
  • Purification Methods Crystallise the dibromide from ligroin and/or distil it in a vacuum. [Beilstein 1 IV 79.]
(E)-1,4-Dibromobut-2-ene Preparation Products And Raw materials
Raw materials
Preparation Products
(E)-1,4-Dibromobut-2-ene Suppliers
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(E)-1,4-Dibromobut-2-ene Spectrum
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  • BrCH2CHCHCH2Br
  • C4H6Br2
  • PERFEMIKER]反式-1,4-二溴-2-丁烯,99%
  • (E) -1,4-二溴丁-2-烯
  • 反式-1-4-二溴-丁烯
  • 4-二溴-2-丁烯
  • 反式-1,4-二溴-2-丁烯
  • 反1,4-二溴-2-丁烯
  • 1,4-二溴-2-丁烯
  • 反式-1,4-二溴-2-丁烯 1KG
  • 反式-1,4-二溴-2-丁烯,99%
  • 1,4-二溴-2-丁
  • (E)-1,4-二溴-2-丁烯
  • 反式-1,4-二溴-2-丁烯821-06-7
  • 821-06-7
  • trans-1,4-Dibromo-2-butene, 98%
  • trans-1,4-Dibromo-2-butene
  • Dibromobutene
  • TIANFUCHEM--821-06-7---(E)-1,4-Dibromobut-2-ene
  • (2E)-1,4-Dibromo-2-butene 1
  • (E)-1,4-Dibromobut-2-ene ISO 9001：2015 REACH
  • trans-1,4-Dibrombut-2-en
  • trans-1,4-Dibromo-2-butene&gt
  • Tran-1,4-Dibromo-2-Butylene
  • 4-DibroMo-2-butene

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