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S9000
Honeywell
Sodium metabisulfite
SKU
S9000
Reagent Grade, ≥99%
Synonym(s)
Sodium disulfite; Sodium pyrosulfite
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Only %1 left
- ≥95% for general laboratory use.
| Brand Honeywell | CAS Numbers (All) | EC Number | Linear Formula Na2S2O5 | MDL Number |
| Molar Mass 190.11 g/mol | RTECS Number UX8225000 | Synonyms Sodium disulfite; Sodium pyrosulfite |
Documents
Specifications
| Property | Value |
|---|---|
| Assay | Min. 99 % |
| Solution 20 g to 100 mL (H2O) | complying |
Properties
| Property | Value |
|---|---|
| Autoignition Temperature | Not auto-flammable |
| Boiling Point/Range | Decomposes on heating |
| Color | Colorless |
| Density | 2.36 g/cm3 (20 °C) |
| Flashpoint | Not applicable |
| Form | Solid |
| Grade | Reagent Grade |
| Incompatible Materials | Contact with strong acids liberates sulphur dioxide, Oxidizing agents |
| Lower Explosion Limit | Not applicable |
| Melting Point/Range | >150 °C (Decomposes before melting) |
| Partition Coefficient | -3.7 |
| Purity Percentage | 99.00 |
| Purity Details | >=99.00% |
| Solubility in Water | 667 g/l (20 °C) |
| Upper Explosion Limit | Not applicable |
| Vapor Pressure | Negligible |
| Viscosity | No data available |
| pH-Value | 3.5-5.0 at 50 g/l (20 °C) |
| Storage Temperature | Ambient |
Safety Information
| Property | Value |
|---|---|
| Hazard Class | 3 |
| Package Group | N/A |
| UN ID | N/A |
