Zinc sulfite is an inorganic compound with the chemical formula ZnSO3. While the original document focuses on Zinc Bisulfite Solution, this article will specifically address zinc sulfite, providing a comprehensive overview of its properties, hazards, and other relevant information.
Chemical Identifiers of Zinc Sulfite
Zinc sulfite has the chemical formula ZnSO3. It’s important to distinguish this from zinc bisulfite (Zn(HSO3)2), which the original document primarily discusses. Key identifiers help classify and understand this chemical. These include:
- Chemical Formula: ZnSO3
- CAS Number: While a direct CAS number for pure zinc sulfite isn’t readily available, forms of zinc sulfite may be associated with specific CAS numbers depending on hydration state or other modifications.
- Other Identifiers: These may include various database entries and regulatory codes used in specific contexts.
Hazards Associated with Zinc Sulfite
Understanding the hazards of zinc sulfite is crucial for safe handling and storage. While the original document describes hazards related to zinc bisulfite, zinc sulfite shares some similar risks, though potentially to a different degree:
- Reactivity: Sulfites, including zinc sulfite, can react with strong oxidizing agents. This reaction can generate heat and potentially flammable or reactive products.
- Health Hazards: Inhalation, ingestion, or skin contact with zinc sulfite can cause irritation. As a sulfite, it could potentially cause allergic reactions in sensitive individuals.
- Environmental Hazards: The environmental impact of zinc sulfite should be considered, especially regarding water contamination.
Response Recommendations for Zinc Sulfite Incidents
In case of an incident involving zinc sulfite, appropriate response measures are essential:
- Isolation and Evacuation: Isolate the spill or leak area to prevent further contamination. Evacuate personnel if necessary, especially if there is a risk of inhalation.
- Firefighting: Use appropriate extinguishing media, such as dry chemical, CO2, or water spray. Avoid direct contact with the substance.
- Non-Fire Response: Eliminate all ignition sources. Contain the spill using absorbent materials and prevent entry into waterways or sewers.
- Protective Clothing: Wear appropriate protective clothing, including gloves, eye protection, and respiratory protection, to prevent contact with the substance.
- First Aid: In case of contact, immediately flush skin or eyes with running water for at least 30 minutes. Seek medical attention if irritation persists.
Physical Properties of Zinc Sulfite
Understanding the physical properties of zinc sulfite helps in predicting its behavior and potential hazards:
- Chemical Formula: ZnSO3
- Molecular Weight: The molecular weight can be calculated based on the atomic weights of Zinc (Zn), Sulfur (S), and Oxygen (O).
- Appearance: Zinc sulfite is typically a white powder.
- Solubility: Zinc sulfite is generally considered insoluble in water, though its solubility can be affected by pH and the presence of other ions.
- Decomposition: Upon heating, zinc sulfite decomposes, potentially releasing sulfur dioxide (SO2), a toxic gas.
A 3D model of the sulfite ion, a key component of zinc sulfite.
Regulatory Information Regarding Zinc Sulfite
Regulatory information for zinc sulfite can be found in various databases and lists:
- EPA Consolidated List of Lists: Zinc compounds, including zinc sulfite, may be listed under the EPA’s Consolidated List of Lists, which includes information on hazardous substances and chemicals regulated under various environmental laws.
- Other Regulations: Depending on the application and location, zinc sulfite may be subject to other regulations related to storage, handling, and disposal.
Alternate Chemical Names for Zinc Sulfite
Other names and synonyms for zinc sulfite may include:
- Zinc(II) sulfite
- Sulfurous acid, zinc salt
Disclaimer: This information is for general knowledge purposes only and does not constitute professional advice. Always consult relevant safety data sheets (SDS) and regulatory guidelines for specific information on zinc sulfite. This document has been created to provide accurate information based on available knowledge and to enhance the original source material with a specific focus on Zinc Sulfite (ZnSO3).