3,4-Dihydro-2H-pyran

SECTION 2: Hazards identification

WHMIS 2015 Classification

Signal word

Danger Hazard Statements Highly flammable liquid and vapor Causes skin irritation May cause an allergic skin reaction Causes serious eye irritation

Prevention

Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep container tightly closed Ground/bond container and receiving equipment Use explosion-proof electrical/ventilating/lighting/equipment Use only non-sparking tools Take precautionary measures against static discharges Avoid breathing dust/fume/gas/mist/vapors/spray Wash face, hands and any exposed skin thoroughly after handling Contaminated work clothing should not be allowed out of the workplace Wear protective gloves/protective clothing/eye protection/face protection

Response

IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If skin irritation or rash occurs: Get medical advice/attention If eye irritation persists: Get medical advice/attention Wash contaminated clothing before reuse In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish

Storage

Store in a well-ventilated place. Keep cool

Disposal

Dispose of contents/container to an approved waste disposal plant

2.3 Other hazards

Harmful to aquatic life with long lasting effects Light sensitive

2.1 Classification of the substance or mixture

Flammable liquids Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Skin Sensitization Category 1 Label Elements