General Information
Version
6
Revision date
2025-12-22
Product name
Potassium cyanide
Product Synonyms
Cyanide of potassium; Hydrocyanic acid, potassium salt; KCN
CAS No.
151-50-8
Emergency telephone
1-800-234-7437, 001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H290, H372
Hazard statements
Code
Statements
H290
May be corrosive to metals
Section 2
SECTION 2: Hazards identification
WHMIS 2015 Classification
Signal word
Danger
Hazard statements
May be corrosive to metals Fatal if swallowed, in contact with skin or if inhaled Causes damage to organs through prolonged or repeated exposure Contact with acids liberates very toxic gas
Prevention
Take any precaution to avoid mixing with acids Do not breathe dust/fumes/gas/mist/vapours/spray Wear respiratory protection Keep only in original packaging Do not get in eyes, on skin, or on clothing Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection
Response
IF INHALED: Remove person to fresh air and keep comfortable for breathing Immediately call a POISON CENTER/doctor IF ON SKIN: Wash with plenty of soap and water Rinse mouth Absorb spillage to prevent material damage Take off immediately all contaminated clothing and wash it before reuse
Storage
Store locked up Store in a well-ventilated place. Keep container tightly closed Store in corrosive resistant polypropylene container with a resistant inliner Store in a dry place
Disposal
Dispose of contents/container to an approved waste disposal plant
2.3 Other hazards
Very toxic to aquatic life with long lasting effects
2.1 Classification of the substance or mixture
WHMIS 2015 Classification This product is hazardous in accordance with the Canada Hazardous Products Act (HPA) and Hazardous Products Regulation (HPR), as amended (SOR/2022-272) Corrosive to metals Category 1 Acute oral toxicity Category 1 Acute dermal toxicity Category 1 Acute Inhalation Toxicity Category 1 Specific target organ toxicity - (repeated exposure) Category 1 Target Organs - Heart, Cardiovascular system. Health Hazards Not Otherwise Classified Category 1 Contact with acids liberates very toxic gas
