- Package
- 1 kg
- Purity
- 98%
- Price
- Request review
- Availability
- Shipping review required
- Delivery
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CAS Number: 7681-57-4
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Available options
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CAS Number
7681-57-4
PubChem CID
656671
Molecular Formula
Na2O5S2
Molecular Weight
190.11 g/mol
Exact Mass
189.898254
InChIKey
HRZFUMHJMZEROT-UHFFFAOYSA-L
SMILES String
O=S([O-])S(=O)(=O)[O-].[Na+].[Na+]
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Sodium Pyrosulfite (CAS 7681-57-4) is listed in the Catalysts and Ligands portfolio, with molecular formula Na2O5S2 and molecular weight 190. 11 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for catalysis development, ligand screening, and synthetic method research.
Documentation needs
COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.
Safety and handling reference content is available through documentation requests.
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Preliminary Safety Reference
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Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Sodium Pyrosulfite is identified by CAS 7681-57-4, with molecular formula Na2O5S2, molecular weight 190.11, InChIKey HRZFUMHJMZEROT-UHFFFAOYSA-L.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
Availability, pack size, lead time, and pricing are confirmed through RFQ.
Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.