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Diphenylamine dissolves well in many common organic solvents, and is moderately soluble in water. [6] It is used mainly for its antioxidant properties. Diphenylamine is widely used as an industrial antioxidant , dye mordant and reagent and is also employed in agriculture as a fungicide and antihelmintic .
Water solubility: Slightly; Specific gravity: 1.16; Flash point: 152; Stability: Stable under ordinary conditions, may discolour on exposure to light. Incompatible with strong acids, strong oxidizing agents. [1]
The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams of substance per 100 millilitres of water (g/(100 mL)), unless shown otherwise. The substances are listed in alphabetical order.
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
Dicyclohexylamine may also be prepared by pressure hydrogenation of diphenylamine using a ruthenium catalyst, or by the reaction of cyclohexanone with cyclohexylamine in the presence of a palladium/carbon catalyst under a hydrogen pressure of about 4 mm Hg. [2]
The aryl group can be coupled to another using arenediazonium salts. For example, treatment of benzenediazonium chloride with benzene (an aromatic compound) in the presence of sodium hydroxide gives diphenyl: [C 6 H 5 N 2] + Cl − + C 6 H 6 → (C 6 H 5) 2 + N 2 + HCl. This reaction is known as the Gomberg–Bachmann reaction.
2-Naphthoic acid is an organic compound of the formula C 10 H 7 CO 2 H. It is one of two isomeric carboxylic acid derivatives of naphthalene, the other one being 1-naphthoic acid.It can be prepared by carboxylation of 1-chloronaphthalene.
2-Nitrodiphenylamine is an organic chemical with the formula C 6 H 5 NHC 6 H 4 NO 2.It is a nitrated derivative of diphenylamine.It is a red solid, usually found in form of flakes or powder.