Sodium Sulfite (Food Grade) is a high-purity food additive widely used as a preservative, antioxidant, and bleaching agent in the food and pharmaceutical industries. It appears as a white crystalline powder or prism crystal, with excellent solubility in water and stable performance under controlled conditions.
Due to its strong reducing properties, it effectively prevents oxidation, maintains product freshness, and improves food quality during processing and storage.
🔹 Key Features
- High purity compliant with food-grade standards (GB1886.8-2015)
- Effective antioxidant and preservative
- Strong reducing agent for food processing
- Excellent solubility and stability
- Suitable for multi-industry applications
🔹 Applications
1. Food Industry
- Used as preservative and antioxidant
- Applied as a bleaching agent in food processing
- Used in dehydrated vegetables production
- Functions as leavening aid and anti-browning agent
2. Pharmaceutical Industry
- Used in pharmaceutical synthesis as a reducing agent
3. Cosmetics Industry
- Used as an antioxidant in hair dyes
- Prevents oxidation of dye components
- Applied in various cosmetic formulations
（Specification）
Standard: GB1886.8-2015
| Item | Specification |
|---|---|
| Sodium Sulfite (Na₂SO₃) | ≥ 96.0% |
| Iron (Fe) | ≤ 0.01% |
| Water Insoluble Matter | ≤ 0.60% |
| Heavy Metals (Pb) | ≤ 10 mg/kg |
| Arsenic (As) | ≤ 2 mg/kg |
| Clarity | Clear |
