Potassium cyanide

Avocado Research Chemicals Ltd

Revision date : 2026-07-27

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GHS06 GHS08 GHS05 GHS09
Health risk rating 4
Safety risk rating 5
Environmental risk rating 5

General Information

Version

6

Revision date

2026-07-27

Product name

Potassium cyanide

Product Synonyms

Cyanide of potassium; Hydrocyanic acid, potassium salt; KCN

CAS No.

151-50-8

supplier name

Avocado Research Chemicals Ltd

Emergency telephone

001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887

Icons in SDS

GHS05 GHS06 GHS08 GHS09 M004 M009 M010 M017

Company Information

company name

Avocado Research Chemicals Ltd

e-mail address of the competent person responsible for the Safety Data Sheet

begel.sdsdesk@thermofisher.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H290, H300+H310+H330, H319, H371, H372, H410

Hazard statements

Code

Statements

H290

May be corrosive to metals

Section 2

SECTION 2: Hazards identification

Physical State

Appearance/Odor

Powder Solid White bitter almonds Emergency Overview Fatal in contact with skin. Causes serious eye irritation. May cause damage to organs. Causes damage to organs through prolonged or repeated exposure. Very toxic to aquatic life with long lasting effects. May be corrosive to metals. Fatal if swallowed. Fatal if inhaled. Contact with acids liberates very toxic gas. Moisture sensitive. Classification of the substance or mixture Substances/mixtures corrosive to metal Category 1 Acute Oral Toxicity Category 1 Acute Dermal Toxicity Category 1 Acute Inhalation Toxicity - Dusts and Mists Category 1 Serious Eye Damage/Eye Irritation Category 2 Specific target organ toxicity - (single exposure) Category 2 Specific target organ toxicity - (repeated exposure) Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1 Label Elements

Signal word

Danger Hazard Statements H290 - May be corrosive to metals H319 - Causes serious eye irritation H371 - May cause damage to organs H372 - Causes damage to organs through prolonged or repeated exposure H410 - Very toxic to aquatic life with long lasting effects H300 + H310 + H330 - Fatal if swallowed, in contact with skin or if inhaled

Prevention

P234 - Keep only in original packaging P262 - Do not get in eyes, on skin, or on clothing P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves/protective clothing/eye protection/face protection P284 - Wear respiratory protection

Response

P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P310 - Immediately call a POISON CENTER or doctor P330 - Rinse mouth P390 - Absorb spillage to prevent material damage P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P361 + P364 - Take off immediately all contaminated clothing and wash it before reuse

Storage

P402 - Store in a dry place P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P406 - Store in corrosion resistant polypropylene container with a resistant inliner P405 - Store locked up

Disposal

P501 - Dispose of contents/ container to an approved waste disposal plant

Other physicochemical hazards

May be corrosive to metals. Contact with acids liberates very toxic gas.

Health hazards

Fatal in contact with skin. Causes serious eye irritation. May cause damage to organs. Causes damage to organs through prolonged or repeated exposure. Very toxic if swallowed. Fatal if inhaled.

Environmental hazards

Very toxic to aquatic life with long lasting effects. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems. Toxic to terrestrial invertebrates. Toxicity to Soil Dwelling Organisms. Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.

2.1 Classification of the substance or mixture

Substances/mixtures corrosive to metal Category 1 Acute Oral Toxicity Category 1 Acute Dermal Toxicity Category 1 Acute Inhalation Toxicity - Dusts and Mists Category 1 Serious Eye Damage/Eye Irritation Category 2 Specific target organ toxicity - (single exposure) Category 2 Specific target organ toxicity - (repeated exposure) Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity

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