Formula: K₂S₂O₈
CAS: 7727-21-1
EC No.: 231-781-8
M (Molar Mass): 270.32 g/mol
D (Density): 2.48 g/cm³
mp (Melting Point): Decomposes below melting point
bp (Boiling Point): Not applicable
Optical Rotation: Not applicable
Chemicals Properties
Assay (Iodometric): ≥ 98.0 %
Appearance: White crystalline powder.
Identification: Passes test (evolves oxygen with catalysts).
Solubility: Sparingly soluble in water.
Active Oxygen: ≥ 5.8 %
Chloride (Cl): ≤ 0.005 %
Heavy Metals (as Pb): ≤ 10 ppm
Ammonium (NH₄): ≤ 0.05 %
Hazard Information
Hazard: Oxidising, may cause fire or explosion. Harmful if swallowed. Causes skin irritation and serious eye damage.
Safety: Keep away from combustible material. Wear protective gloves, eye protection, and face protection.
Storage: Store in a tightly closed container in a cool, dry, well-ventilated place away from reducing agents, organic materials, and heat.
