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Sodium sulfite, ACS, 98.0% min

Catalog No. aa1345436
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Quantity:
10 kg
2 kg
500 g
Catalog No. Quantity
AA1345436 500 g
AA13454A3 2 kg
AA13454A9 10 kg
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Catalog No. AA1345436

Supplier: Thermo Scientific Chemicals 01345436

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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

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

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+]

Specifications

Melting Point >500°C (decomposition)
Physical Form Granules
Quantity 500 g
Assay Percent Range 98.0% min
Solubility Information Soluble in water and glycerol. Insoluble in alcohol,liquid chlorine and liquid ammonia.
Formula Weight 126.04
Grade ACS Reagent
Sensitivity Air and moisture sensitive
Density 2.633 g/mL
Chemical Name or Material Sodium sulfite, For ACS analysis
EINECSNumber 231-821-4
RTECSNumber WE2150000
TSCA Yes
Recommended Storage Ambient temperatures; Store under Nitrogen

RUO – Research Use Only