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1,5-Dibromopentane

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CAS:111-24-0
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CAS:111-24-0
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CAS:111-24-0
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1,5-Dibromopentane manufacturers

  • 1,5-Dibromopentane
  • $2.00 / 200KG
  • 2022-12-06
  • CAS:111-24-0
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 500mt/year
  • 1,5-Dibromopentane
  • $10.00 / 1KG
  • 2022-10-14
  • CAS:111-24-0
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 10 mt
  • 1,5-Dibromopentane
  • $30.00/ KG
  • 2022-10-14
  • CAS:111-24-0
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 20T
1,5-Dibromopentane Basic information
Product Name:1,5-Dibromopentane
Synonyms:1,5-DIBROMOPENTANE;1,5-PENTANE DIBROMIDE;PENTANE-1,5-DIBROMIDE;PENTAMETHYLENE BROMIDE;PENTAMETHYLENE DIBROMIDE;1,5-dibromo-pentan;1,5-DIBROMPENTANE;Pentane,1,5-dibromo-
CAS:111-24-0
MF:C5H10Br2
MW:229.94
EINECS:203-849-7
Product Categories:Acridines ,Imidazoles ,Benzimidazoles;Miscellaneous;DIBROMOALKANE;Bromine Compounds;alpha,omega-Bifunctional Alkanes;alpha,omega-Dibromoalkanes;Organics;Monofunctional & alpha,omega-Bifunctional Alkanes
Mol File:111-24-0.mol
1,5-Dibromopentane Structure
1,5-Dibromopentane Chemical Properties
Melting point ?34 °C (lit.)
Boiling point 110 °C/15 mmHg (lit.)
density 1.688 g/mL at 25 °C (lit.)
vapor density 8 (vs air)
refractive index n20/D 1.512(lit.)
Fp >230 °F
storage temp. Sealed in dry,Room Temperature
solubility Chloroform, Methanol (Sparingly)
form Liquid
color Clear colorless to yellow-brown
Water Solubility insoluble
BRN 1209245
InChIKeyIBODDUNKEPPBKW-UHFFFAOYSA-N
CAS DataBase Reference111-24-0(CAS DataBase Reference)
NIST Chemistry ReferencePentane, 1,5-dibromo-(111-24-0)
EPA Substance Registry System1,5-Dibromopentane (111-24-0)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/38-22
Safety Statements 23-26-36-37/39
WGK Germany 3
RTECS SA0320000
TSCA Yes
HS Code 29033036
MSDS Information
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1,5-Dibromopentane Usage And Synthesis
Chemical Propertiesclear colorless to yellow-brownish liquid and has an aromatic odor.. soluble in benzene and chloroform, insoluble in water.
Uses1,5-Dibromopentane is used in the preparation of 1,5-di-Grignard reagent and novel spirocyclic pyrrolidones. It acts as a growth supplement for Yarrowia lipolytica 3589, a tropical marine yeast. It is involved in the synthesis of N-alkylated piperidine as well as tetrydrothiopyran (thiane) by reaction with primary amine and sodium sulfide respectively.
Uses1,5-Dibromopentane can be used to prepare:
Derivatives of 5-pyrazolones.
O-alkylated phloroglucinol derivatives, which forms the core of poly(alkyl aryl ether) dendrimers.
Intermediate for dezocine viz, (R)-(+)-1-(5-bromopentyl)-1-methyl-7-methoxy-2-tetralone using 1-methyl-7-methoxy-2-tetralone.
Preparation1,5-Dibromopentane was obtained by ring-opening bromination of tetrahydropyran. In a 500ml flask, add 250g of 48% hydrobromic acid, 75g of concentrated sulfuric acid, 21.5g of redistilled tetrahydropyran (86.5-87.5°C fraction) in turn to a reflux condenser and heat the brown mixture gently to reflux for 3h. After cooling to room temperature, partition the lower layer of dibromide and wash each with saturated sodium carbonate solution and water once. Dried with anhydrous calcium chloride. Distill under reduced pressure and collect the 104-106°C (2.53 kPa) fraction as 1,5-dibromopentane in 46-47 g yield and 80-82% yield.
1,5-Dibromopentane synthesis route
1,5-Dibromopentane synthesis route
Synthesis Reference(s)Organic Syntheses, Coll. Vol. 3, p. 692, 1955
The Journal of Organic Chemistry, 48, p. 1678, 1983 DOI: 10.1021/jo00158a018
General Description1,5-Dibromopentane is a growth supplement for Yarrowia lipolytica 3589, a tropical marine yeast.
Tag:1,5-Dibromopentane(111-24-0) Related Product Information
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