Nitrosodisulfonic acid,potassium salt (1:2) cas no:14293-70-0

NameNitrosodisulfonic acid,potassium salt (1:2)
CAS14293-70-0
SynonymsNitrosodisulfonicacid, dipotassium salt (8CI,9CI); Potassium nitrosodisulfonate (6CI,7CI);Dipotassium nitrosodisulfonate; Fremys salt; Fremy's salt; Nitroxide, disulfo,dipotassium salt; Potassium disulfonate nitroxyl; Potassium nitrosodisulfonate(K2(SO3)2NO); Potassium nitrosyldisulfonate; Potassium peroxylaminedisulfonate
EINECS(EC#)238-219-0
Molecular FormulaH2N O7 S2 . 2 K
Molecular Weight268.34

storage temp-20°C

Hazardclass4.3

Hazard Xn
Safety

Slow decomposition can lead to violent explosion during storage. When heated to decomposition it emits very toxic fumes of SO_x, NO_x, and K₂O. See also NITROSO COMPOUNDS.
Safety Information of Potassium nitrosodisulfonate (CAS NO.14293-70-0):
Hazard Codes: Xn
Risk Statements: 14-20/21/22
14:  Reacts violently with water
20:  Harmful by inhalation 
21:  Harmful in contact with skin 
22:  Harmful if swallowed 
Safety Statements: 36
36:  Wear suitable protective clothing  

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	intravenous	100mg/kg (100mg/kg)		U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02970,