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Chemical structure of Sodium Pyrosulfite

GB61103

Sodium Pyrosulfite

Also listed as Sodium metabisulfite

Sodium Pyrosulfite (catalogue number GB61103) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 7681-57-4. Molecular formula Na2O5S2, molecular weight 190.11. Supplied in 3 pack sizes, from 100g at ₪118.29 to 1kg at ₪228.42; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS7681-57-4MW190.11FormulaNa2O5S2
CAS number
7681-57-4
Molecular weight
190.11
Formula
Na2O5S2
InChIKey
HRZFUMHJMZEROT-UHFFFAOYSA-L
Catalogue number
GB61103
Brand
GLPBIO
Computed properties PubChem CID 656671 · TPSA 125 Ų · H-bond donors 0 · H-bond acceptors 6
TPSA
125 Ų
H-bond donors
0
H-bond acceptors
6
Rotatable bonds
0
Heavy atoms
9

SMILES [O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]

Computed descriptors from PubChem (CID 656671), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.