DiBOC is white crystal (colorless liquid aboe 23 degrees). The Boc group is used extensively in amino acid, peptide and heterocyclic synthesis for amine protection. It is one of the most commonly used protective groups for amines.

Potassium Acetate is widely used as reagent in chemical and pharmaceutical synthesis...

Sodium Iodide is white crystalline powder. It is widely used in medecine ( Radiopharmaceutical uses) and in organic chemistry (Finkelstein reaction where Sodium iodide is used for conversion of alkyl chlorides into alkyl iodides.

PBr3 is pale yellow to colorless liquid with a tendency to fume in moist air due to hydrolysis and has a penetrating odour. It is used in the laboratory for the conversion of alcohols to alkyl bromides.