Description Hydrochloric Acid, ACS, 36.5-38.0%, 1L For Research & Development Not for drug, human, animal, or food use Specifications:Assay 36.5-38.0%Appearance - Clear, colorless - PassArsenic (As) <0.01 ppmAmmonium (NH4) <3 ppmBromide (Br) <0.005%Color, APHA <10 - PassExtractable Organic Subst. <5 ppmFree Chlorine (Cl) <1 ppmHeavy Metals (as Pb) <1 ppmIron (Fe) <0.2 ppmResidue after Ignition 2 ppmSulfate <1 ppmSulfite <1 ppm CAS: 7647-01-0 FORMULA: HCl