POTASSIUM CYANIDE
Controlled Substances
Names
[ CAS No. ]:
151-50-8
[ Name ]:
POTASSIUM CYANIDE
[Synonym ]:
POTSSIUM CYANIDE
hydrocyanic acid,potassium salt
kaliumcyanid
hydrogen cyanide,potassium salt
POTASSIUM CYANIDE
KCN
MFCD00011397
Cyanides
cyanuredepotassium
Feratox
EINECS 205-792-3
Chemical & Physical Properties
[ Density]:
1.00 g/mL at 20 °C
[ Boiling Point ]:
1625 °C
[ Melting Point ]:
634 °C(lit.)
[ Molecular Formula ]:
CKN
[ Molecular Weight ]:
65.11570
[ Flash Point ]:
1625°C
[ Exact Mass ]:
64.96680
[ PSA ]:
23.79000
[ LogP ]:
0.01678
[ Storage condition ]:
Poison room
[ Stability ]:
Stable. Incompatible with a variety of materials, including acids, iodine, peroxides, permanganates, alkaloids, chloral hydrate, metallic salts. Light and moisture sensitive. Contact with acid generates extremely toxic HCN gas.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TS8750000
- CHEMICAL NAME :
- Potassium cyanide
- CAS REGISTRY NUMBER :
- 151-50-8
- BEILSTEIN REFERENCE NO. :
- 4652394
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 55
- MOLECULAR FORMULA :
- C-K-N
- MOLECULAR WEIGHT :
- 65.12
- WISWESSER LINE NOTATION :
- KA CN
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - woman
- DOSE/DURATION :
- 100 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold Cardiac - pulse rate increase, without fall in BP Vascular - BP lowering not characterized in autonomic section
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 2857 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 13699 ug/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold Behavioral - coma Nutritional and Gross Metabolic - metabolic acidosis
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 5 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4 mg/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - other changes
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 7814 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3600 ug/kg
- TOXIC EFFECTS :
- Behavioral - altered sleep time (including change in righting reflex) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intramuscular
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 8 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 8500 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 5991 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 6500 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2600 ug/kg
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory stimulation
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 6 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 5 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Mammal - cat
- DOSE/DURATION :
- 2200 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 5 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 3972 ug/kg
- TOXIC EFFECTS :
- Blood - other changes
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 4 mg/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - other changes
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intramuscular
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 3256 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Ocular
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 7870 ug/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory stimulation
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 8 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 8 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 5 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraarterial
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 5 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intramuscular
- SPECIES OBSERVED :
- Bird - pigeon
- DOSE/DURATION :
- 4 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Amphibian - frog
- DOSE/DURATION :
- 60 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 31500 mg/kg/50W-C
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - other changes in urine composition Endocrine - changes in thyroid weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 14420 mg/kg/13W-C
- TOXIC EFFECTS :
- Behavioral - food intake (animal) Behavioral - fluid intake Nutritional and Gross Metabolic - weight loss or decreased weight gain
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 72 mg/kg/12D-I
- TOXIC EFFECTS :
- Brain and Coverings - other degenerative changes
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 84 mg/kg/7D-I
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - rigidity (including catalepsy) Biochemical - Neurotransmitters or modulators (putative) - dopamine in striatum
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 45 gm/kg/6W-I
- TOXIC EFFECTS :
- Gastrointestinal - other changes Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 65 gm/kg
- SEX/DURATION :
- female 14 day(s) pre-mating female 1-22 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - other measures of fertility
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 45 mg/kg
- SEX/DURATION :
- female 1-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1767 mg/kg
- SEX/DURATION :
- female 8-20 week(s) after conception lactating female 44 day(s) post-birth
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4) Reproductive - Effects on Newborn - other neonatal measures or effects
MUTATION DATA
- TYPE OF TEST :
- Cytogenetic analysis
- TEST SYSTEM :
- Rodent - mouse Mammary gland
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 67,221,1979 *** REVIEWS *** ACGIH TLV-CL 5 mg(Cn)/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW FNSCA6 Forensic Science. (Lausanne, Switzerland) V.1-11, 1972-78. For pub lisher information, see FSINDR. Volume(issue)/page/year: 2,67,1973 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 OSHA PEL (Shipyard):8H TWA 5 mg(CN)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 5 mg(CN)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 mg/m3;Skin JAN 1993 OEL-DENMARK:TWA 5 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 5 mg/m3;STEL 10 mg/m3;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CYANIDE-air:CL 4.7 ppm(CN)/10M REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 60400 No. of Facilities: 2204 (estimated) No. of Industries: 45 No. of Occupations: 30 No. of Employees: 12274 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 60400 No. of Facilities: 4594 (estimated) No. of Industries: 57 No. of Occupations: 47 No. of Employees: 64238 (estimated) No. of Female Employees: 23645 (estimated)
Safety Information
[ Symbol ]:
GHS05, GHS06, GHS08, GHS09
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H290-H300 + H310 + H330-H370-H372-H410
[ Supplemental HS ]:
Contact with acids liberates very toxic gas.
[ Precautionary Statements ]:
P260-P264-P273-P280-P284-P301 + P310
[ Target Organs ]:
Brain, Heart, Testes, Thyroid.
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ Hazard Codes ]:
T+,N
[ Risk Phrases ]:
R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed . R32:Contact with acids liberates very toxic gas. R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[ Safety Phrases ]:
S7-S28-S29-S45-S60-S61
[ RIDADR ]:
UN 1680 6.1/PG 1
[ WGK Germany ]:
3
[ RTECS ]:
TS8750000
[ Packaging Group ]:
I
[ Hazard Class ]:
6.1
[ HS Code ]:
2837191000
Customs
[ HS Code ]: 2926909090
[ Summary ]:
HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%