SODIUM THIOSULFATE USP 31

SYNONYMS

• Antichlor Hypo

• Incorrectly called Sodium Hyposulfate

PROPERTIES

• Large colorless crystals or as a coarse, crystalline powder

• Deliquescent in moist air

• Effloresce in dry air at temperature above 33˚C

• Very soluble in water

• Insoluble in alcohol

USES• Antidote for cyanide

poisoning

• Used in iodine poisoning

• Antichlor in bleaching paper pulps

ACTIVATED CHARCOAL USP 26

SYNONYM

• Carbon Ligni

DEFINITION• Residue from the

destructive distillation of various organic materials, treated to increase its adsorptive power

PREPARATION• Charcoal is

obtained by incomplete combustion of wood out of contact air, the residue left being composed of almost pure carbon

• Charcoal is usually inactivated by heating 500˚C to 900˚C in the presence of steam (known as activation)

Removes those substances previously adsorbed and most probably reduces the bigger particles into smaller particles having greater surface area

• Should be preserved in well closed container

PROPERTIES

• Fine, black, odorless powder free from gritty matter

USES

• General purpose antidote

CUPRIC SULFATE USP 31

SYNONYMS

• Blue Vitriol

• Blue Stone

• Copper Sulfate

• Caparrosa Azul

• Piedra Lipis

PROPERTIES

• Deep blue, triclinic crystals or blue crystalline granules or powder

• Nauseous, metallic taste

• Effloresces slowly in dry air

• Acid solution (litmus)

• Freely soluble in water and in glycerin

• Very soluble in boiling water

• Slightly soluble in alcohol

USES

• Antidote for phosphorous poisoning

• Emetic, in doses of 300 mg

• Astringent in tonic, from 10 to 30 mg

• Tableting aids- diluent