Sodium bisulfite solution - Names and Identifiers
Sodium bisulfite solution - Physico-chemical Properties
Molecular Formula | HNaO3S
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Molar Mass | 104.06091 |
Sodium bisulfite solution - Introduction
Sodium bisulfite solution is a colorless to pale yellow liquid with the chemical formula nahso3. It has a certain acidity, soluble in water and ethanol. The following is an introduction to the nature, use, formulation and safety information of the Sodium bisulfite solution:
1. Nature:
-Melting point: 58 ° C
-Boiling point: 150 ° C
-Density: 1.48g/cm³
- pH: Acidic
2. Use:
- Sodium bisulfite solution is commonly used as a reducing agent for decolorization and oxidation prevention in the chemical and food industries.
-In the manufacture of pulp and paper, Sodium bisulfite solution can be used to bleach and remove bleach residues in pulp.
-In the petroleum and chemical industries, Sodium bisulfite solution is used to adsorb and remove harmful substances such as aldehydes, ketones, acids, odorous substances, etc.
-In the water treatment process, Sodium bisulfite solution can be used to remove ammonia, chlorine and some heavy metal ions.
3. Preparation method:
Sodium bisulfite solution can be prepared by dissolving Sodium sulfite (Na2SO3) in water and then passing sulfur dioxide (SO2). The reaction equation is: Na2SO3 SO2 H2O → 2nahso3.
4. Safety Information:
- Sodium bisulfite solution has a certain degree of irritation and should avoid contact with skin and eyes. In case of careless contact, rinse immediately with plenty of water and seek medical attention.
-When using Sodium bisulfite solution, care should be taken to avoid reacting with strong oxidants or alkaline substances.
-Storage should be sealed, away from fire, and avoid contact with flammable substances.
-If a large amount of Sodium bisulfite solution is accidentally splashed, call emergency personnel immediately.
-When using and storing Sodium bisulfite solution, please refer to the relevant safety technical instructions.
Last Update:2024-04-09 19:05:54