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4-Aminobenzoic acid (also known as para-aminobenzoic acid or PABA because the two functional groups are attached to the benzene ring across from one another in the para position) is an organic compound with the formula H 2 NC 6 H 4 CO 2 H. PABA is a white crystalline solid, [3] although commercial samples can appear gray.
Benzocaine is the ethyl ester of p-aminobenzoic acid (PABA). It can be prepared from PABA and ethanol [29] by Fischer esterification or via the reduction of ethyl p-nitrobenzoate. Benzocaine is sparingly soluble in water; it is more soluble in dilute acids and very soluble in ethanol, chloroform, and ethyl ether.
English: Structural formula (skeletal) of the chemical compound 4-aminobenzoic acid (PABA) Deutsch: Strukturformel der chemischen Verbindung p -Aminobenzoesäure (PABA) Русский: Пара-аминобензойная кислота , ПАБК
Aminobenzoic acid (a benzoic acid with an amino group) can refer to: 4-Aminobenzoic acid (p-aminobenzoic acid or para-aminobenzoic acid) 3-Aminobenzoic acid (m ...
It is the ester of 4-aminobenzoic acid and butanol. [1] A white, odourless, crystalline powder. that is mildly soluble in water (1 part in 7000) and soluble in alcohol, ether, chloroform, fixed oils, and dilute acids. It slowly hydrolyses when boiled with water. Synonyms include Butamben, Butilaminobenzoato, and Butoforme.
The molecular formula C 7 H 7 NO 2 (molar mass: 137.14 g/mol) may refer to: Aminobenzoic acids 2-Aminobenzoic acid (o-aminobenzoic acid, anthranilic acid) 3-Aminobenzoic acid (m-aminobenzoic acid) 4-Aminobenzoic acid (p-aminobenzoic acid, PABA) Mononitrotoluenes. 2-Nitrotoluene; 3-Nitrotoluene; 4-Nitrotoluene; Salicylaldoxime; Salicylamide ...
Benzoic acid and its salts are used as food preservatives, represented by the E numbers E210, E211, E212, and E213. Benzoic acid inhibits the growth of mold, yeast [23] and some bacteria. It is either added directly or created from reactions with its sodium, potassium, or calcium salt. The mechanism starts with the absorption of benzoic acid ...
English: Structural formula (skeletal) of the chemical compound 4-aminobenzoic acid (PABA, p-aminobenzoic acid, Hachemina, Paraminol) Deutsch: Strukturformel der chemischen Verbindung p -Aminobenzoesäure (PABA, 4-Aminobenzoesäure; p-Carboxyanilin)