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2-Bromovalerophenone (alpha-bromovalerophenone, 2-bromophenylbutylketone, 2-bromo-1-phenylpentan-1-one, alpha-bromovalerophenone, 2-bromovalerophenone)
Alpha-bromovalerophenone is an organic substance derived from aromatic ketone. The substance is an oily yellow liquid, has a faint, slightly perceptible smell.
Synonyms: 2-bromophenylbutylketone, Bromovalerophenone, 2-bromo-1-phenylpentan-1-one, bromo-1-phenyl-pentane, 2-Bromovalerophenone, alpha-bromovalerophenone

Formula of the substance: C11H13BrO

Molar mass: 241.13 g / mol

CAS Number: 49851-31-2

Chemical properties
Alpha-bromovalerophenone is a hydrophobic substance and insoluble in water, the density is 1.31 g / cm3. The substance boils at a temperature of 282.27 ® C. The point at which it ignites spontaneously is 42.5 ® C. It is extremely soluble in water and such organic substances as: dichloromethane, ethyl acetate, hexane, methyl alcohol.

Precautions
The substance poses a great danger to humans, because very toxic fumes are released during evaporation. Belongs to the category of flammable substances. When working, it is necessary to observe the whole range of precautions: work in a specially equipped room, which is provided with supply and exhaust ventilation, away from heat sources. Workers are required to use special protective clothing: a dressing gown, rubber gloves and sleeves, aprons, a special headdress, and a protective mask. In case of an accident, a gas mask and fire extinguishers should be at the workplace.

Storage conditions
Alpha-bromovalerophenone must be stored in a dry place, at a cool temperature. It should be protected from exposure to light. It is strictly forbidden to place heat and flame sources near reagent containers, or to allow contact with direct sunlight or strong oxidizing agents and strong bases.

Application
Used in the pharmaceutical industry for the production of medicines that have a calming effect on the nervous system. Alpha-bromovalerophenone is also used in perfumery as a component of some flavorings. It is the starting material for creating substances that slow down chemical reactions. It is also not rarely used in scientific laboratory research.