Specification Datasheet
| Product Name | Sodium Hydrogen Sulfite / Sodium Bisulfite | |
| Appearance | White crystalline powder | |
| Grade | Industrial | Food |
| Main Content SO2 mass fraction % | 64-67 | 58.5-67.4 |
| CAS No.: | 7631-90-5 | |
| EINECS | 231-548-0 | |
| Chemical Formula | NaHSO3 | |
| Molecular Weight | 104.061 | |
| Density | 1.48 g/cm³ | |
| Melting point | 150 ℃ | |
Application
- Dechlorination: Neutralizes excess chlorine and chloramines in municipal water and wastewater systems.
- Oxygen scavenging: Removes dissolved oxygen to prevent pitting corrosion in industrial steam boilers.
- Preservation: Acts as an antimicrobial and antioxidant agent in wine making, canned fruits, and juices to prevent browning and spoilage.
- Dough conditioning: Improves the texture and uniformity of baked goods like cookies and crackers.
Textile processing: Functions as an antichlor agent to remove residual chlorine after bleaching fabrics.
- Chemical synthesis: Acts as a reducing and sulfonating agent in organic chemistry reactions.
- Paper manufacturing: Helps bleach wood pulp and remove chlorine from fibers.
- Photographic processing: Used as a developing agent and fixer preservative.
Packaging
25KGS/BAG or 50KGS/BAG
Storage
Storage: Store in a cool, dry, and well-ventilated area; storage temperature should not exceed 37°C.
Packaging and sealing: Containers must be kept tightly sealed to prevent moisture ingress, oxidative deterioration, and air leakage.
Protection from light: Avoid direct sunlight or exposure to the sun.