Benzocaine is the ethyl ester of p-aminobenzoic acid (PABA). It can be prepared from PABA and ethanol 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. The melting point of benzocaine is 88–90 °C, and the boiling point is about 310 °C
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Chemical Grade Definitions:
Pure p.a – High purity analytical reagents. Suitable for laboratory and general use.
Pure – Good quality chemicals. May be used for most laboratory purposes, educational, domestic, craft applications. Not pure enough to be offered for food.
Technical – Good quality for educational, domestic, handicraft, agricultural applications. Not pure enough to be offered for food.
FOR LAB R&D USE ONLY!