Fremy's salt
Agent Name
Fremy's salt
Alternative Name
Potassium nitrosodisulfonate
CAS Number
14293-70-0
Formula
N-O7-S2.2K
Major Category
Nitrogen Compounds
Synonyms
Dipotassium nitrosodisulfonate; Fremys salt; Potassium disulfonate nitroxyl; Potassium nitrosodisulfonate; Potassium nitrosyl sulfonate; Potassium nitrosyldisulfonate; Potassium peroxylaminedisulfonate; Dipotassium nitrosodisulphonate; Nitrosodisulfonic acid, dipotassium salt; [ChemIDplus] Nitrosodisulfonic acid potassium salt (1:2); [Merck Index] UN2813
Category
Other Nitrogen Compounds
Description
Yellow-orange or orange-brown solid; [Merck Index] Yellow-orange powder; [Sigma-Aldrich MSDS]
Sources/Uses
Used as a reagent for oxidation and as an EPR (nuclear reactor) standard; [Merck Index]
Comments
Intravenous LD50 (mouse) = 100 mg/kg; [RTECS] Reacts violently with water evolving flammable gases that may ignite spontaneously; Harmful by ingestion, inhalation, and skin absorption; May induce methemoglobinemia; [Sigma-Aldrich MSDS]
Biomedical References
Exposure Assessment
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Water-reactive solid, n.o.s."
Adverse Effects
Methemoglobinemia
MetHgb is secondary toxic effect
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.