Magnesium Sulfate, USP (Heptahydrate) (Epsom Salts)
CAS: 10034-99-8
Magnesium Sulfate USP comes as small, colorless crystals, usually needle-like. It effloresces in warm, dry air.
Alternative name(s): magnesium sulfate heptahydrate, epsom salts, magnesium sulphate