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Potassium thiocyanate cas no:333-20-0

Synonyms: Potassium rhodanide

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Identification
NamePotassium thiocyanate
CAS333-20-0
SynonymsPotassium rhodanide
EINECS(EC#)206-370-1
Molecular FormulaKCNS
Molecular Weight97.18
Chemical Properties
AppearanceColorless to white, odorless crystals
refractive index1.558 (174 C)
storage tempStore at RT.
Sensitive Hygroscopic
Safety Data

Hazard Xn:Harmful
Risk R20/21/22;R32;R52/53
Safety

Safety Information about Potassium thiocyanate (CAS NO.333-20-0):
Hazard Codes: HarmfulXn,Xi
Risk Statements: 32-52/53-20/21/22
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed. 
R32: Contact with acid liberates very toxic gas. 
R52/53: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 13-61-36/37
S13: Keep away from food, drink and animal foodstuffs. 
S36/37: Wear suitable protective clothing and gloves. 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
WGK Germany: 1
RTECS: XL1925000
Hazard Note: Irritant/Hygroscopic
HS Code: 28380000
A human poison by ingestion. Poison experimentally by intravenous route. An experimental teratogen. Moderately toxic by subcutaneous and ingestion routes. Large doses can cause skin eruptions, psychoses, and collapse. Incompatible with calcium chlorite and perchloryl fluoride. When heated to decomposition it emits very toxic fumes of CN−, K2O, SOx, and NOx. See also THIOCYANATES.


HS Code 28380000

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LDLo intravenous 100mg/kg (100mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 152, 1940.
frog LDLo intramuscular 100mg/kg (100mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1391, 1935.
frog LDLo oral 300mg/kg (300mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1391, 1935.
frog LDLo unreported 250mg/kg (250mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 152, 1940.
guinea pig LDLo oral 600mg/kg (600mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 152, 1940.
guinea pig LDLo subcutaneous 150mg/kg (150mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1391, 1935.
human LDLo oral 80mg/kg (80mg/kg) BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS"

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: MUSCLE WEAKNESS		 JAMA, Journal of the American Medical Association. Vol. 119, Pg. 1177, 1942.
man TDLo oral 428mg/kg (428mg/kg) BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS"

BEHAVIORAL: TOXIC PSYCHOSIS

GASTROINTESTINAL: ULCERATION OR BLEEDING FROM STOMACH		 Archiv fuer Toxikologie. Vol. 23, Pg. 66, 1967.
mouse LD50 intraperitoneal 600mg/kg (600mg/kg)   British Journal of Pharmacology and Chemotherapy. Vol. 4, Pg. 1, 1949.
mouse LD50 intravenous 88200ug/kg (88.2mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA		 Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 152, 1940.
mouse LD50 oral 594mg/kg (594mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA		 Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 152, 1940.
pigeon LDLo intramuscular 750mg/kg (750mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1391, 1935.
pigeon LDLo subcutaneous 500mg/kg (500mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1391, 1935.
rabbit LDLo intravenous 150mg/kg (150mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1391, 1935.
rabbit LDLo oral 500mg/kg (500mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1391, 1935.
rabbit LDLo subcutaneous 550mg/kg (550mg/kg)   "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1391, 1935.
rat LD50 oral 854mg/kg (854mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

LUNGS, THORAX, OR RESPIRATION: DYSPNEA		 Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 152, 1940.
rat LDLo subcutaneous 1gm/kg (1000mg/kg)   Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 29, Pg. 152, 1940.

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