5-Bromo-1-pentene CAS 1119-51-3

Chemical Name: 5-Bromo-1-pentene
CAS Number: 1119-51-3
Formula: C5H9Br
Solubility: soluble in Chloroform, Ethyl Acetate, Immiscible with water.
Appearance: colorless, transparent liquid

5-bromo-1-pentene CAS 1119-51-3 is an organic compound classified as a pentene, a category consisting of five carbon atoms linked in a chain via a double carbon bond at the first carbon.

The molecular weight of the organic compound 5-Bromo-1-pentene is 149.03. This compound is denoted by the formula C5H9Br. Due to the presence of bromine atoms and double bonds in its molecular structure, this molecule possesses the characteristics of olefins and halogenated hydrocarbons.

5-Bromo-1-Pentene CAS 1119-51-3 Technical Information:

Chemical Name

CAS Number




Melting point

-106.7°C (estimate)

Boiling point

126-127 °C/765 mmHg (lit.)


1.258 g/mL at 25 °C (lit.)

Flash point

30 °C

Storage temp.



Chloroform, Ethyl Acetate




Clear Colourless

Water Solubility

Immiscible with water.

5-Bromo-1-Pentene CAS 1119-51-3 Use:

Bromo-1-pentene is widely utilized in the stereoselective synthesis of 7alpha-(3-carboxypropyl) estradiol. It serves as a crucial precursor in the synthesis of an extensive array of compounds.

Moreover, it is an indispensable chemical and pharmaceutical intermediate, with extensive utility in the domains of material chemistry, pesticides, and medicine.


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