Potassium selenocyanate cas no:3425-46-5

NamePotassium selenocyanate
CAS3425-46-5
Synonyms-
EINECS(EC#)222-320-1
Molecular FormulaCKNSe
Molecular Weight144.07

Appearancewhite to light beige crystalline powder or needles
storage tempPoison room
Sensitive Moisture Sensitive

Hazardclass6.1

Hazard T:Toxic;N:Dangerousfortheenvironment;
Risk R23/25;R33;R50/53
Safety

Hazard Codes: T,N
Risk Statements: 23/25-33-50/53
R23/25: Toxic by inhalation and if swallowed. 
R33: Danger of cumulative effects. 
R50/53: Potassium selenocyanate (CAS NO.3425-46-5) is very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 20-21-28-45-60-61
S20: When using, do not eat or drink. 
S21: When using do not smoke. 
S28: After contact with skin, wash immediately with plenty of soap-suds. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S60: This material and its container must be disposed of as hazardous waste.S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3283 6.1/PG 2
WGK Germany: 3
RTECS: VT1400000
HazardClass: 6.1
PackingGroup: II

Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NO_x, CN⁻, K₂O, and Se. See also SELENIUM COMPOUNDS and CYANATES.

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
guinea pig	LD50	skin	50mg/kg (50mg/kg)	SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"	National Technical Information Service. Vol. OTS0536978,
mouse	LD50	intraperitoneal	25mg/kg (25mg/kg)	BEHAVIORAL: TREMOR BEHAVIORAL: IRRITABILITY KIDNEY, URETER, AND BLADDER: OTHER CHANGES IN URINE COMPOSITION	National Technical Information Service. Vol. OTS0536978,
mouse	LD50	oral	25mg/kg (25mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD KIDNEY, URETER, AND BLADDER: OTHER CHANGES IN URINE COMPOSITION	National Technical Information Service. Vol. OTS0536978,
rat	LD50	oral	10mg/kg (10mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" KIDNEY, URETER, AND BLADDER: OTHER CHANGES IN URINE COMPOSITION	National Technical Information Service. Vol. OTS0536978,
rat	LDLo	intraperitoneal	200mg/kg (200mg/kg)		National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 28, 1953.