5-Bromo-1-pentene
5-Bromo-1-pentene Basic information
- Product Name:
- 5-Bromo-1-pentene
- Synonyms:
-
- 1-pentene,5-bromo-
- 2-Pentene,5-bromo-
- 3-Pentenylbromide
- 4-Pentenyl bromide
- 4-Pentenylbromide
- 5-bromo-1-penten
- 5-bromo-2-pentene
- 5-b
- CAS:
- 1119-51-3
- MF:
- C5H9Br
- MW:
- 149.03
- EINECS:
- 214-281-4
- Product Categories:
-
- Isoquinolines ,Quinolines ,Quinaldines
- Alkenyl
- omega-Functional Alkanols, Carboxylic Acids, Amines & Halides
- omega-Unsaturated Halides
- Halogenated Hydrocarbons
- Organic Building Blocks
- 1119-51-3
- Mol File:
- 1119-51-3.mol
5-Bromo-1-pentene Chemical Properties
- Melting point:
- -106.7°C (estimate)
- Boiling point:
- 126-127 °C/765 mmHg (lit.)
- Density
- 1.258 g/mL at 25 °C (lit.)
- refractive index
- n20/D 1.463(lit.)
- Flash point:
- 30 °C
- storage temp.
- 2-8°C
- solubility
- Chloroform, Ethyl Acetate
- form
- Oil
- color
- Clear Colourless
- Specific Gravity
- 1.258
- Water Solubility
- Immiscible with water.
- BRN
- 506077
- InChIKey
- LPNANKDXVBMDKE-UHFFFAOYSA-N
- CAS DataBase Reference
- 1119-51-3(CAS DataBase Reference)
- NIST Chemistry Reference
- 1-Pentene, 5-bromo-(1119-51-3)
- EPA Substance Registry System
- 1-Pentene, 5-bromo- (1119-51-3)
Safety Information
- Hazard Codes
- Xi
- Risk Statements
- 10-36/37/38
- Safety Statements
- 26-24/25-16
- RIDADR
- UN 1993 3/PG 3
- WGK Germany
- 3
- F
- 8
- TSCA
- Yes
- HazardClass
- 3
- PackingGroup
- II
- HS Code
- 29033036
MSDS
- Language:English Provider:5-Bromo-1-pentene
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
- Language:English Provider:ALFA
5-Bromo-1-pentene Usage And Synthesis
Description
5-Bromo-1-pentene is an organic compound with a molecular weight of 149.03. The formula of this compound is C5H9Br. It is a colorless, transparent liquid. The molecular structure of this molecule contains both double bonds and bromine atoms, giving it the properties of olefins and halogenated hydrocarbons. It serves as the starting material for the synthesis of DL-histrionicotoxin and phenyl-ketone fatty acids. Additionally, it is a fundamental chemical and pharmaceutical intermediate, finding wide applications in the fields of medicine, pesticides, and material chemistry.
Chemical Properties
Clear colorless to yellow liquid
Uses
5-Bromo-1-pentene is widely utilized in the stereoselective synthesis of 7alpha-(3-carboxypropyl) estradiol. It plays an important role as starting material in the synthesis of a variety of compounds including DL-histrionicotoxin and benzophenone containing fatty acids.
Synthesis Reference(s)
Tetrahedron, 28, p. 675, 1972 DOI: 10.1016/0040-4020(72)84031-6
Synthesis
1,5-Dibromopentane (100 Kg), N, N-dimethylformamide (100 Kg), and hexamethylphosphoramide (6.2 Kg) were stirred and mixed, and then heated in an oil bath at 140°C for 4 h. Atmospheric distillation collects the fractions, and the collected fractions are washed twice with 100 Kg brine. The organic liquid is distilled to obtain product 5-Bromo-1-pentene.
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