Sodium metabisulfite, for analysis

cas: 7681-57-4 — see every product listed under this CAS number, including other names

Sodium metabisulfite, for analysis (CAS 7681-57-4) is a chemical reagent available from Chemat. Available pack sizes: 500g, 1KG, 2.5KG. Offered by: Thermo Scientific (Fisher), Thermo Scientific (Acros).

brand	Thermo Scientific (Fisher)
catalog number	S/5250/53
cas	7681-57-4
size	500g

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Available pack sizes

brand	size	price
Thermo Scientific (Fisher)	500g	84.27 Pln
Thermo Scientific (Fisher)	1KG	187.13 Pln
Thermo Scientific (Acros)	1KG	238.76 Pln
Thermo Scientific (Acros)	2.5KG	472.17 Pln
Thermo Scientific (Acros)	500g	174.17 Pln

properties

delivery time	2-3 weeks
category	Chemicals

Sodium disulfite is an inorganic sodium salt composed of sodium and disulfite ions in a 2:1 ratio. It has a role as a food antioxidant. It contains a disulfite.

Source: ChEBI

Identity
Molecular formula	Na₂O₅S₂
Molecular weight	190.11 g/mol
InChIKey	HRZFUMHJMZEROT-UHFFFAOYSA-L
SMILES	[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]

Computed by PubChem (NCBI)

Synonyms: Sodium metabisulfite, Sodium pyrosulfite, Sodium disulfite, Disodium pyrosulfite, Natrii disulfis, Campden Tablets, Disodium metabisulfite, Natrium pyrosulfit, Natriummetabisulfit, sodium pyrosulphite