Sodium metabisulfite ≥97.0% ACS

Supplier: BeanTown Chemical

Synonyms: Disodium disulphite, di-Sodium disulphite, Sodium pyrosulphite, Disodiumdisulphite, Sodium disulphite

137990-2.5KG 137990-500G
BT137990-2.5KGEA 114 USD
BT137990-2.5KG BT137990-500G
Sodium metabisulfite ≥97.0% ACS
Sodium metabisulphite

CAS: 7681-57-4; EC No: 231-673-0; MDL No: MFCD00167602; RTECS: UX8225000 Crystalline/Powder; Linear Formula: Na2S2O5; MW: 190.11 Melting Point: 300° Density (g/mL): 1.48 Air Sensitive, Moisture Sensitive


  • RTECS: UX8225000
  • Air Sensitive, Moisture Sensitive
  • Crystalline/Powder

Formula: Na₂S₂O₅
MW: 190.11 g/mol
Melting Pt: >300 °C
Density: 1.48 g/mL
MDL Number: MFCD00167602
CAS Number: 7681-57-4
EINECS: 231-673-0
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Specification Test Results

Assay 97.0% min.
Insoluble matter ≤0.005%
Titrable free base ≤0.03meq/g
Chloride (Cl) ≤0.05%
Heavy metals ≤0.001%
Iron (Fe) ≤0.002%
Thiosulfate ≤0.02%

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