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cas number sodium bisulfate

Understanding Sodium Bisulfate Composition, Uses, and Safety

Sodium bisulfate, also known by its CAS number 7681-38-1, is an important chemical compound with various applications across multiple industries. It is recognized as a white crystalline powder that is highly soluble in water and is classified as a strong acidic salt. This article provides an overview of sodium bisulfate, including its chemical properties, uses, and safety considerations.

Chemical Composition

Sodium bisulfate (NaHSO₄) is derived from sulfuric acid (H₂SO₄) and sodium carbonate (Na₂CO₃). The compound forms when sulfuric acid reacts with sodium carbonate, yielding sodium bisulfate and water. The presence of the bisulfate ion (HSO₄⁻) gives the compound its acidic properties. Sodium bisulfate has a molecular weight of approximately 120.06 g/mol and a pH level ranging around 1 to 2 in aqueous solutions, indicating its strong acidic characteristics.

Industrial and Commercial Applications

Sodium bisulfate has a wide range of applications in various fields

1. pH Control Due to its acidic properties, sodium bisulfate is widely used in water treatment processes. It helps lower the pH of pool water, making it safe and comfortable for swimmers. Additionally, it is employed in industrial applications to adjust and stabilize pH levels in various chemical processes.

2. Cleaning Agent Sodium bisulfate is a key ingredient in many cleaning products, especially those designed for mineral deposits and stains. It is effective in removing soap scum, lime scale, and other unwanted residues.

cas number sodium bisulfate

3. Food Industry In the food industry, sodium bisulfate is sometimes used as a food additive (E514) due to its acidifying properties. It can act as a preservative and antioxidant, helping to prolong the shelf life of certain products.

4. Chemical Manufacturing The compound is also used in the production of sodium sulfite, which is an important chemical in various industrial processes, including paper manufacturing and photography. Sodium bisulfate acts as a reducing agent in these reactions.

5. Laboratory Uses In laboratories, sodium bisulfate is utilized as a reagent for various chemical analyses, serving as a source of bisulfate ions in different analytical methods.

Safety Considerations

While sodium bisulfate is a useful and versatile compound, proper safety measures must be taken when handling it. The compound is classified as an irritant and can cause skin and eye irritation upon contact. Inhalation of its dust may also lead to respiratory irritation. Therefore, it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and masks when handling sodium bisulfate.

In terms of environmental impact, sodium bisulfate is generally considered safe when used in accordance with established regulations. However, it should be disposed of properly to avoid any potential hazards to aquatic life or other environmental components.

Conclusion

Sodium bisulfate is a valuable chemical compound with diverse applications ranging from water treatment to food processing and cleaning products. Its efficacy in regulating pH and acting as a cleaning agent has made it an essential component in various industries. However, safe handling and proper disposal are crucial to mitigate any potential risks associated with its use. As industries continue to seek effective solutions for cleaning and chemical processes, sodium bisulfate will remain an important player in the chemical landscape. Understanding its properties and applications not only underscores its significance but also highlights the importance of safety in chemical management.

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