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Alfa Aesar™ Sodium sulfite, anhydrous, 98%

$41.26 - $400.15

Chemical Identifiers

Chemical Name or Material Sodium sulfite
CAS 7757-83-7
Name Note anhydrous
Molecular Formula Na2SO3
Formula Weight 126.04g/mol
MDL Number MFCD00003503
Merck Index 14,8682
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1793336

 
alfa aesar™
A17933-36
500g Each for $41.26

AAA179330C

 
alfa aesar™
A17933-0C
10000g Each for $400.15

AAA179330E

 
alfa aesar™
A17933-0E
2500g Each for $120.22
Description & Specifications

Specifications

Melting Point >500°C (dec.)
Quantity 500g
Chemical Name or Material Sodium sulfite
Name Note anhydrous
CAS 7757-83-7
Assay 98%
Molecular Formula Na2SO3
Formula Weight 126.04g/mol
MDL Number MFCD00003503
Merck Index 14,8682
RTECS Number WE2150000
TSCA TSCA

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.