Potassium pyrosulfate
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
7790-62-7
Chemical name
Potassium pyrosulfate
Molecular formula
K2O7S2
Molecular weight
254.33 g/mol
Synonyms
Dipotassium disulfate; Dipotassium disulphate; Dipotassium pyrosulfate; Disulfuric acid, dipotassium salt; Potassium sulfate (K2S2O7); Potassium disulfate (K2S2O7); Pyrosulfuric acid, dipotassium salt; Potassium pyrosulfate (K2S2O7); EC 232-216-8; POTASSIUM PYROSULFATE [MI]; Disulfuric acid, potassium salt (1:2); Potassium disulfate, ReagentPlus
InChIKey
KAQHZJVQFBJKCK-UHFFFAOYSA-L
PubChem CID
62681
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H314, H318, H331
Catalog reference cue; confirm supplier documentation before use.
Appearance
Colorless solid; [Merck Index] White solid; [Sigma-Aldrich MSDS]
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.