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Potassium Metabisulfite

Potassium Metabisulfite

CAS Number: 16731-55-8

Molecular Formula: K2S2O5

About Potassium Metabisulfite

Potassium Metabisulfite (CAS 16731-55-8) serves as an essential antimicrobial agent, antioxidant, and reducing agent widely specialized for grape must preservation, commercial winemaking, and food processing applications across North America. Potassium pyrosulfite is increasingly being requested through custom synthesi...

Potassium Metabisulfite Specifications

CAS Number
16731-55-8
Molecular Formula
K2S2O5
Canonical SMILES
OS(=O)S(=O)(=O)O.[K]
InChI Key
RWPGFSMJFRPDDP-UHFFFAOYSA-L
InChI
1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
PubChem CID
28019
HSN No
28322010

Potassium Metabisulfite FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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