Product Overview

Sodium Bisulfite 40% ACS Grade (NaHSO3) is a high-purity reducing agent essential for analytical and industrial applications. This aqueous solution provides consistent reducing power while meeting American Chemical Society (ACS) specifications. Our ACS-grade product maintains 39.5-40.5% concentration with controlled impurity levels, suitable for laboratory and technical applications requiring analytical-grade reagents.

Key Properties

• Chemical Formula: NaHSO3 (40% w/w in water)
• Boiling Point: >100°C (aqueous solution)
• Specific Gravity: 1.36 at 20°C
• Flash Point: Non-flammable
• Vapor Pressure: 18 mmHg at 20°C
• Water Solubility: Already in aqueous solution
• Appearance: Clear to slightly yellow liquid with slight sulfur dioxide odor

Common Applications

• Analytical Chemistry: Precise reducing agent for laboratory analyses and research applications requiring ACS grade purity standards
• Water Treatment: Dechlorination agent in industrial water treatment systems, providing controlled reduction of free chlorine
• Pulp Processing: Reducing agent in pulp bleaching operations, enabling precise control of oxidation processes
• Textile Manufacturing: Essential reducing agent for textile processing, particularly in dyeing operations requiring controlled reduction conditions
• Laboratory Testing: Standard reagent for analytical procedures requiring precise reducing power and known purity specifications

Safety Precautions

Handling requires well-ventilated areas with mandatory PPE including chemical-resistant gloves (nitrile, neoprene), chemical splash goggles, and protective clothing. Storage requires sealed containers in cool, dry areas away from acids and oxidizing agents. Emergency eyewash stations and safety showers must be readily accessible. Releases sulfur dioxide gas when contacted with acids. Workplace ventilation systems should maintain adequate air exchange in handling areas.

Benefits

Our 40% ACS Grade Sodium Bisulfite provides reliable reducing power with verified analytical purity specifications. The solution maintains stability under proper storage conditions while delivering consistent performance in laboratory applications. Each lot undergoes comprehensive testing to verify ACS specification compliance. The product's standardized concentration ensures reproducible results in analytical procedures and quality-critical industrial processes.