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Sodium sulfite, ACS, 98.0% min
Sodium sulfite is used in the photography industry to protect developing solutions from oxidation; in the pulp and paper industry; in water treatment as an oxygen scavenger agent, as a desulfurizing and dechlorinating agent in the leather industry and as a bleaching agent in the textile industry. | CAS: 7757-83-7 | Na2O3S | 126.037 g/mol
$110.68 - $787.33
Chemical Identifiers
| CAS | 7757-83-7 |
|---|---|
| Molecular Formula | Na2O3S |
| Molecular Weight (g/mol) | 126.037 |
| MDL Number | MFCD00003503 |
| InChI Key | GEHJYWRUCIMESM-UHFFFAOYSA-L |
| Synonym | sodium sulfite, disodium sulfite, sodium sulphite, sodium sulfite anhydrous, sulfurous acid, disodium salt, sulftech, natrium sulfurosum, sodiumsulfite, natriumsulfid, natriumsulfit |
| PubChem CID | 24437 |
| ChEBI | CHEBI:86477 |
| IUPAC Name | disodium;sulfite |
| SMILES | [O-]S(=O)[O-].[Na+].[Na+] |
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
|---|---|---|---|---|---|---|---|---|---|
| Catalog Number | Mfr. No. | Quantity | Price | Quantity | |||||
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AA1345436
|
Thermo Scientific Chemicals
01345436 |
500 g |
Each for $110.68
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AA13454A3
|
Thermo Scientific Chemicals
13454A3 |
2 kg |
Each for $197.71
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AA13454A9
|
Thermo Scientific Chemicals
013454A9 |
10 kg |
Each for $787.33
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Description
Sodium sulfite is used in the photography industry to protect developing solutions from oxidation; in the pulp and paper industry; in water treatment as an oxygen scavenger agent, as a desulfurizing and dechlorinating agent in the leather industry and as a bleaching agent in the textile industry. It is used as a preservative to prevent dried fruit from discoloring. It finds application as a sulfonation and sulfomethylation agent in the chemical industry. It is involved in the production of sodium thiosulfate. Other applications include forth flotation ores, oil recovery and manufacture of dyes.
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.
Chemical Identifiers
| 7757-83-7 | |
| 126.037 | |
| GEHJYWRUCIMESM-UHFFFAOYSA-L | |
| 24437 | |
| disodium;sulfite |
| Na2O3S | |
| MFCD00003503 | |
| sodium sulfite, disodium sulfite, sodium sulphite, sodium sulfite anhydrous, sulfurous acid, disodium salt, sulftech, natrium sulfurosum, sodiumsulfite, natriumsulfid, natriumsulfit | |
| CHEBI:86477 | |
| [O-]S(=O)[O-].[Na+].[Na+] |
Specifications
| >500°C (decomposition) | |
| Granules | |
| 98.0% min | |
| MFCD00003503 | |
| Soluble in water and glycerol. Insoluble in alcohol,liquid chlorine and liquid ammonia. | |
| [O-]S(=O)[O-].[Na+].[Na+] | |
| 126.037 | |
| CHEBI:86477 | |
| ACS Reagent | |
| 2.633 g/mL |
| 7757-83-7 | |
| 500 g | |
| Na2O3S | |
| sodium sulfite, disodium sulfite, sodium sulphite, sodium sulfite anhydrous, sulfurous acid, disodium salt, sulftech, natrium sulfurosum, sodiumsulfite, natriumsulfid, natriumsulfit | |
| GEHJYWRUCIMESM-UHFFFAOYSA-L | |
| disodium;sulfite | |
| 24437 | |
| 126.04 | |
| Air and moisture sensitive | |
| Sodium sulfite, For ACS analysis |
Safety and Handling
EINECSNumber : 231-821-4
RTECSNumber : WE2150000
TSCA : Yes
Recommended Storage : Ambient temperatures; Store under Nitrogen
RUO – Research Use Only