Potassium pyrosulfate, 98%, for analysis

Description

CAS: 7790-62-7 | K₂O₇S₂ | 254.31 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

For analysis

Specifications

Chemical Identifiers

• CAS: 7790-62-7
• Molecular Formula: K₂O₇S₂
• Molecular Weight (g/mol): 254.31
• InChI Key: KAQHZJVQFBJKCK-UHFFFAOYSA-L
• Synonym: potassium pyrosulfate, dipotassium disulfate, potassium disulfate, unii-avj6zst7l6, avj6zst7l6, disulfuric acid dipotassium salt, dipotassium sulfonato sulfate, dipotassium disulphate, dipotassium pyrosulfate, kaliumpyrosulfat
• PubChem CID: 62681
• IUPAC Name: dipotassium;sulfonato sulfate
• SMILES: [O-]S(=O)(=O)OS(=O)(=O)[O-].[K+].[K+]

• Melting Point: 325.0°C
• Color: White
• Physical Form: Fine Crystalline Powder
• Quantity: 2.5 kg
• Assay Percent Range: 98%
• Linear Formula: K₂S₂O₇
• Merck Index: 15,7784
• Solubility Information: Solubility in water: may decompose
• Formula Weight: 254.31
• Percent Purity: 98%
• Grade: Analytical
• Packaging: Plastic bottle
• Specific Gravity: 2.51
• Density: 2.5100g/mL
• Chemical Name or Material: Potassium pyrosulfate

Safety and Handling

Hazard Category	GHS Signal Word: Danger
Hazard Statement	GHS H Statement Toxic in contact with skin. Causes severe skin burns and eye damage. Corrosive to the respiratory tract.
Precautionary Statement	GHS P Statement Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,if present and easy to do. Continue rinsing. Immediately
EINECSNumber	232-216-8

SDS

RUO – Research Use Only