Sodium sulfite anhydrous [7757-83-7]

Sodium Sulfite Anhydrous [7757-83-7] is widely used in synthesis and formulation workflows, featuring a molecular formula of Na2O3S and a molecular weight of 126.04. This compound exhibits a density range of 1.5 - 1.7 kg/dm3 and does not have a defined boiling or Melting Point, instead decomposing under heat. The GHS signal word for this substance is Danger due to its potential hazards. As a high-quality analytical reagent, this sodium sulfite anhydrous product has a purity of ≥98.0%, making it suitable for precise measurements. It is free from heavy metals, with concentrations of iron (Fe), lead (Pb), arsenic (As), and selenium (Se) all below 1 mg/kg. This product is supplied as fine white crystals, stored ambiently, and comes with product-specific specifications including a maximum heavy metal content of ≤10 mg/kg. In the workplace, it is recommended to handle this substance with appropriate safety measures, such as wearing protective equipment.

• CAS Number: 7757-83-7
• Boiling Point: Decomposes (no boiling point)
• Melting Point: Decomposes (no boiling point)
• Density: 1.5 - 1.7kg/dm3
• Molecular Weight: 126.04
• Molecular Formula: Na2O3S
• Hazard Statements:
• H302: Harmful if swallowed [Warning Acute toxicity, oral]