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Sodium hydrosulfite, tech., 85+%, Thermo Scientific Chemicals
Description
Sodium hydrosulfite is used as a reducing agent in aqueous solutions, sulfonating agent , chelating agent and decolorizing agent in organic reactions. It finds application in water treatment, gas purification, cleaning, leather, polymers, photography, and many others. It is involved in chemical enhanced oil recovery to stabilize polyacrylamide polymers against radical degradation in the presence of iron. It plays an important role to determine the iron content in soil chemistry.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Specifications
| Melting Point | 52°C (decomposition) |
| Color | White |
| Physical Form | Powder |
| Quantity | 1 kg |
| Assay Percent Range | >85% |
| Solubility Information | Soluble in water. Slightly soluble in alcohol. |
| Formula Weight | 174.11 |
| Sensitivity | Moisture sensitive |
| Appearance | White powder |
| Chemical Name or Material | Sodium hydrosulfite |
Safety and Handling
- Sodium hydrosulfite, technical grade
- Danger
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 2
- Self-heating substance Category 1
- H251-Self-heating: may catch fire.
- H302-Harmful if swallowed.
- H319-Causes serious eye irritation.
- EUH031-Contact with acids liberates toxic gas.
- P235-Keep cool.
- P264-Wash face, hands and anyexposed skin thoroughly after handling.
- P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P410-Protect from sunlight.
- MIXTURE LIST-Contains : sodium dithionite
RUO – Research Use Only