Sodium sulfite

Description

1. Product Overview

Sodium sulfite is a high-purity inorganic chemical widely utilized across diverse industrial processes. It serves primarily as an oxygen scavenger, preservative, and reducing agent, making it essential for water treatment, pulp and paper production, and textile processing. Its reliable chemical stability ensures process efficiency, minimizes oxidative degradation, and enhances product quality. Strategically, sodium sulfite is a critical input in industries where oxidative control and chemical reduction are pivotal, providing a competitive edge through operational reliability and cost-effective performance.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Na₂SO₃ (Sodium sulfite)
• Purity/Grade: Industrial-grade ≥ 98%
• Form & Physical Characteristics: White crystalline powder or granules
• Particle Size: 100–300 μm (typical, customizable on request)
• Bulk Density: ~1.3 g/cm³
• Moisture Content: ≤ 1%
• Packaging Options: 25 kg, 50 kg kraft bags; jumbo bags available for bulk orders
• Shelf Life: 2 years under dry, ambient storage conditions

3. Core Industrial Applications

• Water Treatment: Used as an oxygen scavenger in boiler systems to prevent corrosion and maintain water quality.
• Pulp & Paper Industry: Functions as a bleaching and reducing agent, improving pulp brightness and quality.
• Textile & Dyeing: Acts as a stabilizer and dechlorinating agent, ensuring color consistency and fabric durability.
• Food Preservation: Utilized as an antioxidant and preservative in select food processing applications.
• Photography & Chemicals Manufacturing: Serves as a reducing agent in photographic solutions and various chemical syntheses.

Performance Advantage: Sodium sulfite offers superior solubility, consistent purity, and reliable reactivity compared to alternative reducing agents, enhancing process efficiency and lowering operational costs.

4. Competitive Advantages

• Quality Consistency: Strict quality control ensures uniform chemical composition batch-to-batch.
• Supply Reliability: Secure production capacity for uninterrupted industrial operations.
• Logistics Capability: Flexible shipping options for global distribution with bulk handling expertise.
• Price Competitiveness: Optimized sourcing and production minimize total landed cost.
• Sustainability & Environmental Benefits: Low environmental footprint in production and non-hazardous handling.
• Technical Support: Comprehensive documentation, including MSDS, technical datasheets, and application guidance.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): Bulk 20 MT
• Loading Capacity: Standard 20’ container ~20 MT

This listing positions sodium sulfite as a strategically essential chemical, ensuring operational excellence, cost efficiency, and supply security for industrial buyers.