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Catalog Number:
01630
CAS Number:
7757-83-7
Sodium sulfite
Grade:
ACS reagent
Purity:
≥ 98.0% (Titration)
Documents
$18.53 /250G
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Product Information

Sodium sulfite is a versatile inorganic compound widely utilized across various industries due to its effective reducing properties and ability to act as a preservative. This white crystalline powder is recognized for its role in water treatment processes, where it is employed to remove chlorine and other oxidizing agents, thereby enhancing water quality for industrial applications. Additionally, sodium sulfite is integral in the food industry as a preservative, helping to maintain the freshness and color of dried fruits and other products. Its antioxidant properties make it valuable in the photographic industry, where it is used in developing solutions to stabilize images.

Moreover, sodium sulfite is also utilized in the production of chemicals, textiles, and paper, where it serves as a bleaching agent and a reducing agent in various chemical reactions. Its unique ability to act as a sulfur source makes it essential in the synthesis of other compounds. With its broad range of applications, sodium sulfite stands out as a crucial ingredient for researchers and industry professionals looking for reliable and effective solutions in their processes.

CAS Number
7757-83-7
Purity
≥ 98.0% (Titration)
Grade
ACS reagent
Molecular Formula
Na2SO3
Molecular Weight
126.04
MDL Number
MFCD00003503
Density
2.633
Appearance
White crystalline powder
Conditions
Store at RT
General Information
CAS Number
7757-83-7
Purity
≥ 98.0% (Titration)
Grade
ACS reagent
Molecular Formula
Na2SO3
Molecular Weight
126.04
MDL Number
MFCD00003503
Density
2.633
Appearance
White crystalline powder
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Sodium sulfite is widely utilized in research focused on:

  • Water Treatment: It acts as a reducing agent to remove chlorine from water, making it safer for consumption and industrial use.
  • Food Preservation: Commonly used as a preservative in dried fruits and wines, it helps prevent spoilage and maintains freshness.
  • Photography: In the development of photographs, it serves as a preservative for developing solutions, enhancing image quality and longevity.
  • Pulp and Paper Industry: It is employed in the pulping process to reduce the environmental impact of bleaching agents, promoting a more sustainable production method.
  • Analytical Chemistry: Used in various chemical analyses, it helps in the determination of metal ions and other compounds, providing accurate results for researchers.

Citations