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  7. Sodium sulfite, anhydrous, 98%

Sodium sulfite, anhydrous, 98%

Catalog No. p-7023911
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AAA1793336 500 g
AAA179330E 2500 g
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Catalog No. AAA1793336 Supplier Thermo Scientific Chemicals Supplier No. A1793336
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Description

CAS: 7757-83-7 | Na2O3S | 126.037 g/mol

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.

Suitable for battery materials development.

Applications
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 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 making dyes.

Solubility
Soluble in water and glycerol. Insoluble in alcohol, liquid chlorine and liquid ammonia.

Notes
Hygroscopic. Moisture and air sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with acids, strong oxidizing agents.
TRUSTED_SUSTAINABILITY

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)
Quantity 500 g
Merck Index 14,8682
Solubility Information Soluble in water and glycerol. Insoluble in alcohol,liquid chlorine and liquid ammonia.
Formula Weight 126.04
Percent Purity 98%
Density 2.633
Chemical Name or Material Sodium sulfite, anhydrous

Safety and Handling

EINECSNumber 231-821-4
RTECSNumber WE2150000
TSCA Yes
Recommended Storage Ambient temperatures
SDS

RUO – Research Use Only

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