Sodium disulfite

Purity: (sodium metabisulfite), Pharmaceutical grade, Ph. Eur., BP, JP, NF, E 223

Synonym(s): Sodium disulfite, Sodium metabisulfite, Sodium pyrosulfite, Disulfite, Pyrosulfite

Formula: Na2O5S2 Molecular Weight: 190.11

CAS Number: 7681-57-4 EC Number: 231-673-0 PubChem CID: 656671

Properties

Shelf life: 1095 days

Solubility:

Sensitivity: Hygroscopic；Air sensitive

Boiling point: 150°C

Melting point:

InChl: InChI=1S/2Na.H2O5S2/c; ; 1-6(2)7(3, 4)5/h; ; (H, 1, 2)(H, 3, 4, 5)/q2*+1; /p-2

Safety Information

Pictograms: GHS05; GHS07

Signal Word: Danger

Hazard Statements: H302; H318

Precautionary Statements: P280; P501; P264; P270; P330; P264+P265; P301+P317; P305+P354+P338; P317

WGK: 1

Storage: Room temperature; Argon charged

Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves