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Sodium sulfite

BGC Id:520003280122
CAS No:7757-83-7
Synonyms:sodium sulfite anhydrous ; exsiccated sodium sulfite ; sulfurous acid,compounds,disodium salt ; disodium salt ; natrii sulphis ; natriisulphis ; sulphites ; sodium sulphite/sodium sulphite anhydrous ; sodium sulfite heptahydrate ; natriumsulfid [german] ; disodium sulfite heptahydrate ; sodium sulfite ; sodium sulfite heptahydrate (2:1:7) ; sulphurous acid, sodium salt ; sulfurous acid, sodium salt ; disodium sulfite (na2so3) ; sodium sulphite ; natriumsulfit [german] ; sodium sulfite solution ; sodium ; natriumsulfid ; epa pesticide chemical code 078203 ; natriumsulfit ; sodium sulfite (na2so3) ; natriumsulfit8 ; s-wat ; disodiumsulfite ; sulftech ; sulfurous acid ; sulfurous acid, sodium salt, heptahydrate ; sodium sulfite ,anhydrous ; natrium sulfurosum ; sodium sulfite, exsiccated ; sulfurous acid, sodium salt (1:2) ; anhydrous sodium sulphite
Molecular Formula:Na2SO3
Molecular Weight:126.04274
EINECS:231-821-4
Structural Formula
The last intensive check and update was carried out on 2025/09/17.

Identify

Synonyms:
sodium sulfite anhydrous ; exsiccated sodium sulfite ; sulfurous acid,compounds,disodium salt ; disodium salt ; natrii sulphis ; natriisulphis ; sulphites ; sodium sulphite/sodium sulphite anhydrous ; sodium sulfite heptahydrate ; natriumsulfid [german] ; disodium sulfite heptahydrate ; sodium sulfite ; sodium sulfite heptahydrate (2:1:7) ; sulphurous acid, sodium salt ; sulfurous acid, sodium salt ; disodium sulfite (na2so3) ; sodium sulphite ; natriumsulfit [german] ; sodium sulfite solution ; sodium ; natriumsulfid ; epa pesticide chemical code 078203 ; natriumsulfit ; sodium sulfite (na2so3) ; natriumsulfit8 ; s-wat ; disodiumsulfite ; sulftech ; sulfurous acid ; sulfurous acid, sodium salt, heptahydrate ; sodium sulfite ,anhydrous ; natrium sulfurosum ; sodium sulfite, exsiccated ; sulfurous acid, sodium salt (1:2) ; anhydrous sodium sulphite
CAS:
7757-83-7
EINECS:
231-821-4
Molecular Formula:
Na2SO3
MDL:
MFCD00003503
SMILES:
C(C(=O)C(=O)O)Br

Properties

Molecular Weight:
126.04274 g·mol−1
Density:
2.63
Melting point:
500 °C
Solubility:
H2O: 1 M at 20 °C, clear, colorless
Physical Description:
white crystals or powder
download Download Molfile

Suppliers

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Fax: +1 (815) 398-1810
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Safety Information

Hazard Classes:
Risk Codes:
31-36/37/38-22-40-36/38 (R)
Safety Codes:
24/25-36-26-22 (S)
WGK Germany:
1
RTECS:
WE2150000
Storage temperature:
Store at RT.

What other providers are available for CAS 7757-83-7?

In addition to the providers presented here for Sodium sulfite with the CAS number 7757-83-7, there are other 41 providers with slightly different product names available for this CAS number.

+2 additional providers that we know from the past
+4 additional providers that we know from the past
OPQ Chemical Co., Ltd | Simagchem Corporation | Zehao Industry Co., Ltd. | Carbone Scientific Co., Ltd. | BuGuCh & Partners +23 additional providers that we know from the past
+1 additional providers that we know from the past
BuGuCh & Partners +2 additional providers that we know from the past




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