The item listed is Sodium Sulphite, available in a 1 kg quantity. This substance falls under the category of Reducing Agents and can be found within the broader group of Organic & Bioorganic Chemicals, specifically Synthesis Reagents. Its CAS Number is 7757-83-7, as defined by the Chemical Abstracts Service. According to its scientific data, Sodium Sulphite has a Molecular Weight of 126.04 g/mol and is classified as a Sodium compound and a Sulfite, hydrogen sulfite, disulfite. It is important to note that this chemical carries a Danger signal word due to its potential harmfulness if ingested.

• CAS Number: 7757-83-7
• Molecular Formula: Na2SO3
• Molecular Weight: 126.05
• Exact Mass: 125.93635360
• Boiling Point: Decomposes (NTP, 1992)
• Melting Point: Decomposes (NTP, 1992)
• Density: 2.633 at 59 °F (USCG, 1999) - Denser than water; will sink
• GHS Signal Word: Danger
• Hazard Statements:
• H302 (18.3%): Harmful if swallowed [Warning Acute toxicity, oral]