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HD Chemicals Potassium_Hydroxide_CAUSTIC_POTASH_90% is an inorganic compound and is commonly called caustic potash. Along with sodium hydroxide, this colorless solid is a prototypical strong base. It has many industrial and niche applications, most of which exploit its caustic nature and its reactivity toward acids. The major uses are in the production of potassium carbonates, potassium phosphates, liquid fertilizers and potassium soaps and detergents.

HD Chemicals OXALIC_ACID_99.5% is an organic compound with the formula C₂H₂O₄. It is a colorless crystalline solid that forms a colorless solution in water. Its condensed formula is HOOCCOOH, reflecting its classification as the simplest dicarboxylic acid. Oxalic acid is toxic because of its acidic and chelating properties. It may cause burns, nausea, severe gastroenteritis and vomiting, shock and convulsions. It is especially toxic when ingested. As little as 5 to 15 grams (71 mg/kg) may be fatal tohumans.

HD Chemicals Boric_Acid 99.9% also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds. It exists in the form of colorless crystals or a white powder that dissolves in water.