Sodium Pyrosulfite
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
7681-57-4
Chemical name
Sodium Pyrosulfite
Molecular formula
Na2O5S2
Molecular weight
190.11 g/mol
Synonyms
Sodium metabisulfite; Sodium disulfite; Disodium pyrosulfite; Natrii disulfis; Campden Tablets; Disodium metabisulfite; Natrium pyrosulfit; Natriummetabisulfit; sodium pyrosulphite; Sodium bisulfite anhydrous; Natrium metabisulfurosum; Sodium pyrosulfite (Na2S2O5)
InChIKey
HRZFUMHJMZEROT-UHFFFAOYSA-L
PubChem CID
656671
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302, H318
Catalog reference cue; confirm supplier documentation before use.
Physical property reference values are not available in the current MolGraph catalog record.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.