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Catalog Number:
33385
CAS Number:
7631-90-5
Sodium bisulfite
Grade:
meets FCC specifications
Purity:
58.5 - 67.4% (Assay by titration, as SO2)
Synonym(s):
Sodium hydrogen sulfite
Hazmat
Documents
$44.77 /1KG
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Product Information

Sodium bisulfite is a versatile chemical compound widely utilized in various industries due to its effective reducing properties. This white crystalline powder, also known as sodium hydrogen sulfite, serves as an essential preservative and antioxidant in food processing, particularly in the preservation of dried fruits and wines. Its ability to inhibit enzymatic browning makes it invaluable in maintaining the quality and appearance of food products. Additionally, sodium bisulfite is employed in water treatment processes to remove chlorine and as a bleaching agent in the textile and paper industries.

Researchers also benefit from sodium bisulfite's applications in analytical chemistry, where it is used for the determination of aldehydes and ketones. Its unique ability to form stable complexes with various compounds enhances its utility in laboratory settings. With its multifunctional properties, sodium bisulfite stands out as a crucial ingredient for professionals seeking reliable solutions in food preservation, water treatment, and chemical analysis.

Synonyms
Sodium hydrogen sulfite
CAS Number
7631-90-5
Purity
58.5 - 67.4% (Assay by titration, as SO2)
Grade
meets FCC specifications
Molecular Formula
NaHSO3
Molecular Weight
104.06
MDL Number
MFCD00003530
PubChem ID
18000336
Density
1.48
Appearance
White or yellow white crystals or granular powder
Conditions
Store at RT
Warnings
Danger.
General Information
Synonyms
Sodium hydrogen sulfite
CAS Number
7631-90-5
Purity
58.5 - 67.4% (Assay by titration, as SO2)
Grade
meets FCC specifications
Molecular Formula
NaHSO3
Molecular Weight
104.06
MDL Number
MFCD00003530
PubChem ID
18000336
Density
1.48
Appearance
White or yellow white crystals or granular powder
Conditions
Store at RT
Warnings
Danger.
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
Yes
Antibiotic
No
DEA-regulated
No
Warnings
Danger.
Applications

Sodium bisulfite is widely utilized in research focused on:

  • Food Preservation: Commonly used as a preservative in the food industry, it helps prevent browning and spoilage in fruits and vegetables, ensuring longer shelf life and maintaining quality.
  • Water Treatment: Employed in municipal and industrial water treatment processes, it acts as a reducing agent to remove chlorine and chloramine, making water safer for consumption and use.
  • Pharmaceuticals: In the pharmaceutical industry, it serves as an antioxidant in drug formulations, enhancing stability and efficacy while preventing degradation of sensitive compounds.
  • Photography: Used in photographic processing, it helps in the development of film by controlling the oxidation of silver halides, leading to clearer images and improved quality.
  • Textile Industry: In textiles, it is utilized for bleaching and as a reducing agent, aiding in the production of brighter and more vibrant colors in fabrics.

Citations