Sodium Thiosulfate 30% Technical Grade

Product Overview
Sodium Thiosulfate 30% is an aqueous solution of sodium thiosulfate (Na₂S₂O₃), widely used in water treatment, dechlorination, and industrial chemical processes. This technical-grade liquid provides a convenient, ready-to-use alternative to solid forms, allowing for accurate dosing and efficient integration into liquid systems.

Known for its reducing properties, sodium thiosulfate effectively neutralizes chlorine and other oxidizing agents, making it essential in wastewater treatment, environmental applications, and chemical processing. Its consistent concentration ensures reliable performance in applications requiring controlled reactivity.

Key Properties

• Chemical Formula: Na₂S₂O₃
• Molecular Weight: 158.11 g/mol
• CAS Number: 7772-98-7
• UN Number: Not regulated
• Concentration: 30% solution
• Appearance: Clear to slightly yellow liquid
• Odor: Odorless to mild sulfur odor
• Specific Gravity: ~1.25–1.30
• Solubility: Fully soluble in water
• Grade: Technical

Applications

• Water Treatment: Dechlorination of municipal and industrial water systems.
• Wastewater Processing: Neutralizes oxidizers and supports environmental compliance.
• Aquaculture: Removes chlorine and chloramine in fish and aquatic systems.
• Chemical Processing: Reducing agent in industrial and manufacturing applications.
• Photography & Film Processing: Fixing agent for silver halides (traditional processes).
• Environmental Remediation: Treatment of contaminated water and chemical neutralization.

Benefits

• Ready-to-use liquid for precise dosing and ease of handling.
• Highly effective reducing agent for chlorine and oxidizers.
• Versatile across environmental, industrial, and chemical applications.
• Consistent technical-grade quality for reliable performance.

Handling & Storage

Sodium Thiosulfate 30% is generally low hazard but may cause mild irritation to skin and eyes. Use standard PPE such as gloves and safety glasses during handling.

Store in compatible containers in a cool, dry, well-ventilated area. Protect from contamination and extreme temperatures. Avoid contact with strong acids, which may release sulfur dioxide gas.