Methanesulfonyl chloride

2.1 Classification of the substance or mixture

and label elements of the product

Health hazards

Acute toxicity Oral: Category 3 Acute toxicity Dermal: Category 3 Acute toxicity Inhalation: Category 1 Skin corrosion/irritation: Category 1 Serious eye damage/eye irritation: Category 1 Specific target organ toxicity - single exposure: Category 1(respiratory apparatus; nerve/nervous system)

Environmental hazards

Hazardous to the aquatic environment - acute hazard: Category 3 Hazardous to the aquatic environment - long-term hazard: Category 3 (Note) GHS classification without description: Not applicable/Out of classification/Not classifiable

Signal word

Danger

Hazard statements

Toxic if swallowed Toxic in contact with skin Fatal if inhaled Causes severe skin burns and eye damage Causes serious eye damage Causes damage to organs after single exposure Harmful to aquatic life Harmful to aquatic life with long lasting effects

Prevention

Avoid release to the environment. Do not breathe dust/fume/gas/mist/vapors/spray. In case of inadequate ventilation wear respiratory protection. (as specified by the manufacturer/supplier or the competent authority.) Use only outdoors or in a well-ventilated area. 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

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

Storage

Store in a well-ventilated place. Keep container tightly closed.

Disposal

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