Sodium metabisulfite CAS 7681-57-4

Table of Contents

Product Specifications & Comparative Analysis

Essential Parameters

Grade Comparison

Industrial Applications & Functional Advantages

Food Processing

• Antioxidant in baked goods (extends shelf life 30-40%)
• Color stabilizer in dried fruits (prevents enzymatic browning)
• Wine preservative (effective SO₂ concentration: 50-100 ppm)

Water Treatment

• Chlorine neutralization (1kg treats 10m³ water)
• Oxygen scavenger in boiler systems
• Wastewater dechlorination (98% efficiency)

Pharmaceutical Manufacturing

• Intermediate in sulfonamide antibiotics
• Stabilizer in injectable solutions
• API purification agent

Operational Protocols & Safety Measures

Storage Requirements

• Maintain relative humidity <60%
• Storage temperature: 15-25°C
• Maximum stack height: 10 pallets

Processing Guidelines

1. Use PPE (nitrile gloves, face shield)
2. Implement gradual addition (max 2kg/min)
3. Maintain solution pH 3.5-5.0
4. Allow 15min dissolution time

Client Implementation Case Studies

Case 1: Jiangsu Food Co., Ltd.

• Application: Noodle preservation
• Result: 60-day shelf life extension
• Usage: 0.3g/kg flour mixture

Case 2: Guangdong Water Plant

• System: 50,000m³/day capacity
• Implementation: 0.5ppm dosage
• Outcome: 99.2% chlorine removal

Case 3: Zhejiang Pharmaceutical

• Process: Drug intermediate synthesis
• Yield Improvement: 12.7% increase
• Purity: 99.92% final product

Technical Consultation & Order Coordination

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