Potassium Metabisulfite, Certified AR for Analysis, Fisher Chemical™

Product Code	Brand	Quantity
10588440	Fisher Chemical P/5960/60	1 kg

Description

Potassium Metabisulfite, Certified AR for Analysis

Chemical Identifiers

• CAS: 16731-55-8
• Molecular Weight (g/mol): 222.31
• InChI Key: RWPGFSMJFRPDDP-UHFFFAOYSA-L
• PubChem CID: 28019
• SMILES: [K+].[K+].[O-]S(=O)S([O-])(=O)=O

• Molecular Formula: K2O5S2
• MDL Number: MFCD00167605
• Synonym: potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5Show MoreShow Less
• IUPAC Name: dipotassium sulfinatosulfonate

Specifications

• Melting Point: 150°C
• Color: White
• Physical Form: Powder/Solid
• MDL Number: MFCD00167605
• InChI Key: RWPGFSMJFRPDDP-UHFFFAOYSA-L
• IUPAC Name: dipotassium sulfinatosulfonate
• PubChem CID: 28019
• Packaging: Plastic powder jar

• CAS: 16731-55-8
• pH: 3.5 to 4.5
• Molecular Formula: K2O5S2
• Synonym: potassium metabisulfite, potassium disulfite, potassium pyrosulfite, dipotassium disulfite, dipotassium pyrosulfite, dipotassium metabisulfite, dipotassium disulphite, unii-65oe787q7w, ccris 1427, potassium disulfite k2s2o5
• SMILES: [K+].[K+].[O-]S(=O)S([O-])(=O)=O
• Molecular Weight (g/mol): 222.31
• Formula Weight: 222.33g/mol

Safety and Handling

Product Identifier

• Potassium metabisulfite

Signal Word

• Danger

Hazard Category

• Serious eye damage/eye irritation Category 1

Hazard Statement

• H318-Causes serious eye damage.
• EUH031-Contact with acids liberates toxic gas.

Precautionary Statement

• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.