Product Information
- sodium sulfite
- Anhydrous sodium sulfite
- Disodium sulfite
- Disodium sulfite (Na2SO3)
- Disodium sulfite (Na<sub>2</sub>SO<sub>3</sub>)
- E 221
- Natriumsulfit
- S-Wat
- Sodium Sulfite Anhydrous
- Sodium Sulphite
- See more synonyms
- Sodium sulfite
- Sodium sulfite (Na2SO3)
- Sodium sulfite (Na<sub>2</sub>SO<sub>3</sub>)
- Sulfite de sodium
- Sulfito De Sodio
- Sulfurous acid, sodium salt (1:2)
- Sulphurous acid, sodium salt (1:2)
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 properties
Technical inquiry about: 02-013454 Sodium sulfite, ACS, 98.0% min
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