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Thermo Scientific™ Sodium dithionite ≥85%, tech
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Specifications:
| Application | Organic Synthesis | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | Thermo Fisher Scientific™, thermo Scientific | ||
| Product Grade | Analytical grade | Formula | Na₂S₂O₄ |
Sodium Hydrosulfite, also known as sodium dithionite, is a versatile reducing agent widely used in aqueous and industrial chemical processes. Offered by Thermo Scientific™ Chemicals, this product is supplied as a white powder with an assay of ≥85% purity and is intended for research or technical applications.
Its strong electron-donating capacity makes it useful in reduction, sulfonation, decolorization, and chelation processes. It plays an essential role in industries such as water treatment, polymer processing, leather tanning, photographic chemical formulations, and enhanced oil recovery (EOR).
Key Features
- Assay: ≥85% (technical grade)
- Form: White powder
- Functional Roles: Reducing agent, sulfonating agent, chelating agent, decolorizing agent
- Versatile Applications: Used in environmental chemistry, industrial cleaning, and analytical testing
- Stable Composition: Supplied in a form optimized for research and formulation development
Chemical Identity & Properties
| Property | Value |
|---|---|
| CAS Number | 7775-14-6 |
| IUPAC Name | Disodium sulfinatosulfinate |
| Molecular Formula | Na₂O₄S₂ |
| Molecular Weight | 174.10 g/mol |
| Synonyms | Sodium dithionite, Sodium hydrosulfite |
| SMILES | [Na+].[Na+].[O-]S(=O)S([O-])=O |
| InChI Key | JVBXVOWTABLYPX-UHFFFAOYSA-L |
| Appearance | White powder |
| Purity | ≥85.0% (technical grade) |
| Intended Use | Research and industrial applications |
Applications
- Reducing Agent: In aqueous solutions for inorganic and organic reductions
- Decolorizing Agent: Used to remove color from dyes or pigment residues
- Sulfonating Agent: In chemical synthesis and modification of organic substrates
- Chelating Agent: Applied in water purification and industrial cleaning
- Polymer Stabilization: Prevents oxidative degradation in enhanced oil recovery (EOR) using polyacrylamide
- Soil Chemistry: Used to determine iron content
- Other Uses: Gas purification, leather processing, photographic developing agents
Compliance and Handling
- Grade: Technical (≥85%), not for food or pharmaceutical use
- Storage: Store in a dry, cool place away from oxidizing agents
- Documentation: Specification sheet and Safety Data Sheet (SDS) available upon request
- Handling Note: May decompose upon contact with acids, heat, or moisture; handle under dry conditions
Thermo Scientific™ Sodium Hydrosulfite is a powerful and economical reducing agent for use in chemical synthesis, environmental analysis, and industrial operations. Its wide applicability, from soil chemistry to photographic development and polymer protection in oil recovery, makes it a key reagent in research and manufacturing labs.
- Pack Size: 1kg 100g 25g