Sodium Thiosulphate Pentahydrate (Extra Pure)

Sodium thiosulfate (Na₂S₂O₃) is a versatile compound used in photography, water treatment, medical applications, and chemical analysis. It acts as a reducing agent, neutralizes chlorine, and treats cyanide poisoning

You can get this at Simba Laboratories (U) Ltd in Mbarara city.

Located at IQRA MOSQUE -RIGHT-HAND SIDE
Call: 0783452406 / 0706561020.
‘Rely on us, we rely on Quality’

Sodium Thiosulphate Pentahydrate (Extra Pure)

Sodium Thiosulfate (Na₂S₂O₃)

Chemical Formula: Na₂S₂O₃
Molar Mass: 158.11 g/mol (anhydrous), 248.18 g/mol (pentahydrate)
Appearance: White crystalline solid (anhydrous); colorless, transparent crystals (pentahydrate)
Solubility: Highly soluble in water, insoluble in alcohol
Odor: Odorless
Density: 1.667 g/cm³ (pentahydrate)
Melting Point: 48°C (pentahydrate) – loses water and decomposes upon heating
pH: Slightly basic in aqueous solution

Properties & Uses:

Reducing Agent: Acts as a mild reducing agent in chemical reactions.
Photography: Used in photographic fixing to dissolve silver halides (as “hypo”).
Medical Uses: Used to treat cyanide poisoning and some chemotherapy side effects.
Water Treatment: Neutralizes chlorine in swimming pools and wastewater treatment.
Iodometric Titration: Reacts with iodine, making it useful in volumetric analysis.
Gold Extraction: Used in some eco-friendly gold leaching processes.
Antifungal & Veterinary Uses: Sometimes used for treating fungal infections in fish