The DSM- IV- TR psychiatric diagnoses cocaine abuse and cocaine dependence were replaced by one diagnosis, cocaine use disorder, in DSM- 5. Cocaine hydrochloride is still legally available in the US as a 4 or 1. The process of making crack involves 'washing' cocaine and filtering out impurities and cutting agents. Levamisole is a bulking agent for crack. A close up of the 'cooking' process that creates crack. Use of toxic adulterants such as has been documented. Crack cocaine as sold on the streets may be or 'cut' with other substances mimicking the appearance of crack cocaine to increase bulk. Purer forms of crack will sink in water or melt at the edges when near a flame (crack vaporizes at 90 ☌, 194 ☏). A crack rock acts as a (see: ), numbing the tongue or mouth only where directly placed. Purer forms of crack resemble a hard brittle plastic, in crystalline form (snaps when broken). Physical and chemical properties In purer forms, crack rocks appear as off-white nuggets with jagged edges, with a slightly higher density than candle wax.
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May 2023
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