5-Bromo-1-pentene
- CAS NO.:1119-51-3
- Empirical Formula: C5H9Br
- Molecular Weight: 149.03
- MDL number: MFCD00000264
- EINECS: 214-281-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-23 17:56:10
What is 5-Bromo-1-pentene?
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
The Uses of 5-Bromo-1-pentene
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.
What are the applications of Application
5-Bromo-1-pentene is used in the synthesis of a variety of compounds
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.
Properties of 5-Bromo-1-pentene
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 | n |
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 |
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 for 5-Bromo-1-pentene
Signal word | Warning |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 5-Bromo-1-pentene
InChIKey | LPNANKDXVBMDKE-UHFFFAOYSA-N |
Abamectin manufacturer
Rivashaa Agrotech Biopharma Pvt. Ltd.
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