CAS: 7757-83-7 EC No: 231-821-4 MDL No: MFCD00003503 RTECS: WE2150000 Solid Linear Formula: Na₂SO₃ MW: 126.04 Melting Point: >500° (decomposes) Density (g/mL): 2.63

CAS: 7757-82-6 EC No: 231-820-9 MDL No: MFCD00003504 RTECS: WE1650000 Granular Linear Formula: Na₂SO₄ MW: 142.04 Melting Point: 884° Density (g/mL): 2.68 Refractive Index: 1.484

CAS: 144-55-8 EC No: 205-633-8 MDL No: MFCD00003528 RTECS: VZ0950000 Powder Linear Formula: NaHCO₃ MW: 84.01 Melting Point: 300° Density (g/mL): 2.16 Refractive Index: 1.500