Sodium Sulphite is characterized by a well-defined molecular structure with a molecular formula of Na2SO3 and a molecular weight of 126.05. It exhibits a Vapour Density of 2.633 at 59 °F. However, it decomposes both upon heating and cooling, as indicated by its Boiling Point and Melting Point of Decomposes. This compound falls under the category of Sodium compounds and Sulfites, hydrogen sulfites, disulfites. A warning of danger is required due to its harmful effects if ingested.

• CAS Number: 7757-83-7
• Melting Point: Decomposes (no boiling point)
• Vapour Density: 2.633 at 59 °F
• Molecular Formula: Na2SO3
• Exact Mass: 125.93635360
• Molecular Weight: 126.05
• Boiling Point: Decomposes (no boiling point)
• GHS Signal Word: Danger
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]