Sodium metabisulfite ≥97% ACS
Supplier: Thermo Scientific Chemicals
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Danger
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Synonyms:
Disodium disulphite, di-Sodium disulphite, Sodium pyrosulphite, Disodiumdisulphite, Sodium disulphite
040115-A4
040115-36
AA40115-A4EA
143
USD
AA40115-A4
AA40115-36
Sodium metabisulfite ≥97% ACS
Sodium metabisulphite
MDL: MFCD00167602
Purity: 97% min
CAS No.: 7681-57-4
Molecular Formula: Na2O5S2
Formula Weight: 190.10
Physical Form: Crystalline powder
Density: 1.480
Appearance: White to pale yellow
Odor: Like rotten eggs
pH: 3.5-5.0
Melting Point:
Formula:
Na₂S₂O₅ MW: 190.11 g/mol Melting Pt: >300 °C Density: 1.48 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00167602 CAS Number: 7681-57-4 EINECS: 231-673-0 REACH: 01-2119531326-45 Merck Index: 12,08784 |
Specification Test Results
Insoluble matter | 0.005% |
Cl | 0.05% |
Heavy Metals (as Pb) | 0.001% |
Fe | 0.002% |
S2O3 | 0.05% |
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