The chemicals listed in this section are included by whatever official, common, usual, chemical, or trade name designated.
(1) PRECURSOR CHEMICALS.–The term “listed precursor chemical” means a chemical that may be used in manufacturing a controlled substance in violation of this chapter and is critical to the creation of the controlled substance, and such term includes any salt, optical isomer, or salt of an optical isomer, whenever the existence of such salt, optical isomer, or salt of optical isomer is possible within the specific chemical designation. The following are “listed precursor chemicals”:(a) Anthranilic acid.(b) Benzaldehyde.(c) Benzyl cyanide.(d) Chloroephedrine.(e) Chloropseudoephedrine.(f) Ephedrine.(g) Ergonovine.(h) Ergotamine.(i) Ergocristine.(j) Ethylamine.(k) Iodine tincture above 2.2 percent.(l) Isosafrole.(m) Methylamine.(n) 3, 4-Methylenedioxyphenyl-2-propanone.(o) N-Acetylanthranilic acid.(p) N-Ethylephedrine.(q) N-Ethylpseudoephedrine.(r) N-Methylephedrine.(s) N-Methylpseudoephedrine.(t) ANPP (4-Anilino-N-phenethyl-4-piperidine).(u) NPP (N-Phenethyl-4-piperidone).(v) Nitroethane.(w) Norpseudoephedrine.(x) Phenylacetic acid.(y) Phenylpropanolamine.(z) Piperidine.(aa) Piperonal.(bb) Propionic anhydride.(cc) Pseudoephedrine.(dd) Safrole.(2) ESSENTIAL CHEMICALS.-The term “listed essential chemical” means a chemical that may be used as a solvent, reagent, or catalyst in manufacturing a controlled substance in violation of this chapter. The following are “listed essential chemicals”:(a) Acetic anhydride.(b) Acetone.(c) Ammonium salts, including, but not limited to, nitrate, sulfate, phosphate, or chloride.(d) Anhydrous ammonia.(e) Benzoquinone.(f) Benzyl chloride.(g) 2-Butanone.(h) Ethyl ether.(i) Formic acid.(j) Hydrochloric acid.(k) Hydriodic acid.(l) Iodine.(m) Lithium.(n) Organic solvents, including, but not limited to, Coleman Fuel, camping fuel, ether, toluene, or lighter fluid.(o) Organic cosolvents, including, but not limited to, glycerol, propylene glycol, or polyethylene glycol.(p) Potassium dichromate.(q) Potassium permanganate.(r) Sodium.(s) Sodium dichromate.(t) Sodium borohydride.(u) Sodium cyanoborohydride.(v) Sodium hydroxide.(w) Sulfuric acid.