Sodium Dithionite CAS #: 7775-14-6

Synonyms Sodium Metabisulfate, Sodium metabisulphate; Sodium hydrosulfite; Sodium hydrosulphite; Disodium dithionite; Vatrolite; Sodium sulfoxylate; Sodium hypodisulfite; Dithionous acid, disodium salt; CAS 7631-94-9; EC 231-550-1

Compound Formula: Na2O4S2 Molecular Weight: 174.107 Appearance: White crystalline powder Melting Point: 52 °C Boiling Point: Decomposes Density: 2.8 g/cm3 Solubility in H2O: 18.2 g/100 mL (20 °C) Exact Mass: 173.903339 Monoisotopic Mass: 173.903339

Health & Safety Information Signal Word: Danger Hazard Statements: H251-H302 Hazard Codes: F, Xi Precautionary Statements: P301 + P312 + P330-P407-P413-P420 Flash Point: 100 °C Risk Codes: 7-22-31 Safety Statements: 7/8-26-28-43 RTECS Number: N/A Transport Information: UN 1384 4.2/PG 2 WGK Germany: 1 GHS Pictogram: Image,Image,Image

Chemical Identifiers Linear Formula: Na2S2O4 Pubchem CID: 24489 MDL Number: MFCD00011640 EC No.: 231-890-0 IUPAC Name: N/A Beilstein/Reaxys No.: N/A SMILES: [O-]S(=O)S(=O)[O-].[Na+].[Na+] InchI Identifier: InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2 InchI Key: JVBXVOWTABLYPX-UHFFFAOYSA-L