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Catalog Number:
01644
CAS Number:
7631-90-5
Sodium bisulfite
Grade:
ACS reagent
Purity:
≥ 58.5% (Assay by titration)
Synonym(s):
Sodium hydrogen sulfite
Hazmat
Documents
$22.03 /250G
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Product Information

Sodium bisulfite is a versatile chemical compound widely utilized in various industries due to its effective reducing and preserving properties. Commonly recognized as sodium hydrogen sulfite, this compound plays a crucial role in food preservation, particularly in the wine and beverage industry, where it acts as an antioxidant and a stabilizer. Its ability to inhibit microbial growth and prevent oxidation makes it essential for maintaining the quality and shelf life of products. Additionally, sodium bisulfite is employed in water treatment processes to remove chlorine and other contaminants, enhancing water quality for industrial applications.

In the realm of research and laboratory settings, sodium bisulfite serves as a reagent in organic synthesis and analytical chemistry, facilitating the conversion of aldehydes and ketones into their corresponding sulfite adducts. Its unique properties also make it a valuable tool in the textile industry for bleaching and dyeing processes. With its multifunctional applications and effectiveness, sodium bisulfite stands out as a reliable choice for professionals seeking quality and efficiency in their operations.

Synonyms
Sodium hydrogen sulfite
CAS Number
7631-90-5
Purity
≥ 58.5% (Assay by titration)
Grade
ACS reagent
Molecular Formula
NaHSO3
Molecular Weight
104.06
MDL Number
MFCD00003530
Density
1.48
Appearance
White crystalline powder
Conditions
Store at RT
Warnings
Danger.
General Information
Synonyms
Sodium hydrogen sulfite
CAS Number
7631-90-5
Purity
≥ 58.5% (Assay by titration)
Grade
ACS reagent
Molecular Formula
NaHSO3
Molecular Weight
104.06
MDL Number
MFCD00003530
Density
1.48
Appearance
White crystalline powder
Conditions
Store at RT
Warnings
Danger.
Properties
Additional property information coming soon!
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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 to prevent spoilage and maintain freshness, especially in dried fruits and wines.
  • Water Treatment: Acts as a reducing agent in water treatment processes, helping to remove chlorine and other harmful substances, making water safer for consumption.
  • Photography: Employed in photographic processing to stabilize and preserve images by preventing oxidation of the developing agents.
  • Chemical Synthesis: Serves as a versatile reagent in organic chemistry for synthesizing various compounds, including sulfonates and other sulfur-containing chemicals.
  • Pharmaceuticals: Used in the pharmaceutical industry as an antioxidant and stabilizer in drug formulations, enhancing the shelf-life and efficacy of medications.

Citations