Methyl methanesulfonate

SECTION 2: Hazards identification

WHMIS 2015 Classification

Signal word

Danger Hazard Statements Toxic if swallowed Causes skin irritation May cause an allergic skin reaction Causes serious eye irritation May cause genetic defects May cause cancer Suspected of damaging fertility or the unborn child May cause damage to organs through prolonged or repeated exposure

Prevention

Obtain special instructions before use Do not handle until all safety precautions have been read and understood Wear protective gloves/protective clothing/eye protection/face protection Do not breathe dust/fumes/gas/mist/vapours/spray Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Contaminated work clothing should not be allowed out of the workplace

Response

IF exposed or concerned: Get medical advice/attention IF SWALLOWED: Immediately call a POISON CENTER or doctor IF ON SKIN: Wash with plenty of soap and water IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Rinse mouth Take off contaminated clothing and wash it before reuse

Storage

Store locked up

Disposal

Dispose of contents/container to an approved waste disposal plant

2.3 Other hazards

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) Acute oral toxicity Category 3 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Skin Sensitization Category 1 Germ Cell Mutagenicity Category 1B Carcinogenicity Category 1B Reproductive Toxicity Category 2 Specific target organ toxicity - (repeated exposure)