20w/v%-Potassium hydroxide solution

2.1 Classification of the substance or mixture

and label elements of the product

Health hazards

Acute toxicity (Oral): Category 4 Skin corrosion/irritation: Category 1 Serious eye damage/eye irritation: Category 1 Specific target organ toxicity - single exposure: Category 1(respiratory apparatus) Specific target organ toxicity - repeated exposure: Category 1(respiratory apparatus)

Aspiration hazard

Category 1 (Note) GHS classification without description: Not applicable/Out of classification/Not classifiable

Signal word

Danger

Hazard statements

Harmful if swallowed Causes severe skin burns and eye damage Causes serious eye damage Causes damage to organs after single exposure Causes damage to organs through prolonged or repeated exposure May be fatal if swallowed and enters airways

Prevention

Do not breathe dust/fume/gas/mist/vapors/spray. Wash contaminated parts thoroughly after handling. Wear protective gloves, protective clothing or face protection. Wear eye protection/face protection. Do not eat, drink or smoke when using this product.

Response

Get medical advice/attention if you feel unwell. IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. Wash contaminated clothing before reuse. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Do NOT induce vomiting. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

Disposal

Dispose of contents/container in accordance with local/national regulation.