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Description
Fluoroacetonitrile is the simplest aliphatic nitrile bearing a single fluorine atom at the alpha position, which is why it is widely recognised as a fluorinated building block of the monofluoromethyl class. In organic synthesis laboratories, this material serves as a supplier of the –CH₂F group together with a cyano group within one small molecule. That combination is particularly valuable when a chemist wants to introduce a single fluorine atom into the framework of a target molecule without having to take a direct fluorination route, which often demands aggressive reagents, extreme conditions, or specialised equipment that is not always available in a general laboratory.
The characteristic that makes this compound a preferred choice lies in its two complementary reactive centres. The nitrile group can be converted into a primary amine through reduction, into a carboxylic acid or an amide through hydrolysis, and into amidines and tetrazoles through nucleophilic addition; it can also participate in the construction of heterocyclic rings such as pyrimidines, triazines, and aminopyrazoles. Meanwhile, the fluorine atom on the alpha carbon increases the acidity of the neighbouring protons and imparts an electron-withdrawing character that alters the reactivity of the molecule compared with ordinary acetonitrile.
In Indonesian laboratories, a building block of this kind is typically used in organic synthesis and medicinal chemistry research groups at universities and research institutes, as well as in development laboratories that prepare fluorinated intermediates on a small scale. It is usually handled within a fume hood as part of multi-step synthetic sequences, where the ability to install a monofluoromethyl unit early in a route saves the team from having to develop a separate direct fluorination step.
Laboratory Applications
Monofluoromethyl group introduction: it delivers the –CH₂F unit directly into a target framework, sparing the laboratory from direct fluorination routes that require aggressive reagents or extreme conditions.
Primary amine synthesis: reduction of the nitrile group yields a primary amine that still carries the alpha fluorine, giving access to fluorinated amine intermediates from a single small starting material.
Carboxylic acid and amide preparation: hydrolysis of the cyano group converts this reagent into fluorinated acids or amides, which are common anchor points in further synthetic elaboration.
Amidine and tetrazole formation: the nitrile carbon accepts nucleophilic addition, allowing chemists to build amidine and tetrazole motifs that retain the electron-withdrawing fluorine substituent.
Heterocyclic ring construction: the cyano group participates in forming pyrimidine, triazine, and aminopyrazole rings, so fluorine can be carried into heterocyclic scaffolds used in medicinal chemistry research.
Specifications
Brand: TCI
Product code: F0665
CAS number: 503-20-8
Category: Chemistry > Building Blocks > Fluorinated Building Blocks
Pack sizes: available in standard TCI catalogue research pack sizes; please confirm the required size when ordering
Storage: keep in the closed original container under the storage conditions stated on the manufacturer's label and safety data sheet
Handling and Storage
Store the material in its tightly closed original container, in a cool, dry, well-ventilated place away from heat, ignition sources, and incompatible substances, following the conditions stated on the manufacturer's label and safety data sheet. Keep the container sealed when not in use to limit exposure to air and moisture. All handling, transfer, and weighing should be carried out inside a functioning fume hood by trained personnel wearing appropriate personal protective equipment, including chemical-resistant gloves, safety goggles, and a laboratory coat. Consult the safety data sheet before first use and dispose of residues and contaminated materials through the laboratory's chemical waste procedures.
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