Amines and alcohols with nitrogen and oxygen having electronegativities of 3.0 and 3.5, respectively, exhibit different solubility patterns in water, with alcohols generally being more soluble.

Lower aliphatic amines are soluble in water due to the ability to form hydrogen bonds with water molecules. However, solubility decreases with increasing molar mass of amines because of the larger hydrophobic alkyl part.

Arylamines such as aniline are usually colorless but develop color upon storage due to atmospheric oxidation.

Lower aliphatic amines are typically gases with a fishy odor. Primary amines with three or more carbon atoms exist as liquids, while higher ones are solid.

Hoffmann bromamide degradation involves treating an amide with bromine in an aqueous or ethanolic solution of sodium hydroxide. This reaction leads to the migration of an alkyl or aryl group from the carbonyl carbon of the amide to the nitrogen ...

Gabriel synthesis involves treating phthalimide with ethanolic potassium hydroxide, followed by heating with alkyl halide and alkaline hydrolysis to produce primary amines. However, this method cannot be used for aromatic primary amines as aryl halides do not undergo nucleophilic substitution ...

Nitrogen orbitals in amines are sp³ hybridized, leading to a pyramidal geometry. The fourth orbital of nitrogen contains an unshared pair of electrons.

Amines are derived from ammonia by replacing hydrogen atoms with alkyl and/or aryl groups. Examples include CH₃-NH₂, CH₃-NH-CH₃, and C₆H₅-NH₂.

They find application in the dye and pigment industries and are used to produce dyed fabrics. They are useful in the synthesis of a large variety of organic compounds, especially aryl derivatives.

Quaternary Ammonium Compounds (QACs) are a type of chemical that is used to kill bacteria, viruses, and mold. There are many different types of QACs. They are often found in dis- infectants and in cleaning products that are used in ...