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Sodium sulfite, anhydrous, 98%
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Alfa Aesar By Thermo Fisher Scientific logo

Sodium sulfite, anhydrous, 98%

CAS: 7757-83-7

Ref. 02-A17933

10kg
297.00 €
500g
31.00 €
2500g
98.00 €
Estimated delivery in United States, on Wednesday 4 Dec 2024

Product Information

Name:
Sodium sulfite, anhydrous, 98%
Synonyms:
  • 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)
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.

Notice:
Our products are intended for lab use only. For any other use, please contact us.
Brand:
Alfa Aesar By Thermo Fisher Scientific
Long term storage:
Notes:

Chemical properties

Molecular weight:
252.14
Formula:
H14Na2O10S
Purity:
98%
Color/Form:
White to pale yellow, Crystalline powder or crystals
InChI key:
WMJRPJZQQSSDBU-UHFFFAOYSA-L
MDL:
Melting point:
Boiling point:
Flash point:
Density:
Concentration:
EINECS:
Merck:
HS code:

Hazard Info

UN Number:
EQ:
Class:
H Statements:
P Statements:
Forbidden to fly:
Hazard Info:
Packing Group:
LQ:

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