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Sodium sulfite, anhydrous, 98%, Thermo Scientific Chemicals

$83.63 - $746.90

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+]
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Products 3
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1793336
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Thermo Scientific Chemicals
A1793336
500 g
Each for $83.63
 
AAA179330E
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Thermo Scientific Chemicals
A179330E
2500 g
Each for $230.10
 
AAA179330C
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Thermo Scientific Chemicals
A179330C
10,000 g
Each for $746.90
 
Description

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 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.

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.

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.
Specifications

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)
500 g
MFCD00003503
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
2.633
7757-83-7
Na2O3S
14,8682
Soluble in water and glycerol. Insoluble in alcohol,liquid chlorine and liquid ammonia.
[O-]S(=O)[O-].[Na+].[Na+]
126.037
CHEBI:86477
98%
Sodium sulfite, anhydrous
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Safety and Handling

Safety and Handling

EINECSNumber : 231-821-4

RTECSNumber : WE2150000

TSCA : Yes

Recommended Storage : Ambient temperatures

SDS
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RUO – Research Use Only