1,4-Dioxane

2.1 Classification of the substance or mixture

WHMIS 2015 Classification Classified as hazardous under the Hazardous Products Regulations (SOR/2015-17) Flammable liquids Category 2 Serious Eye Damage/Eye Irritation Category 2 Carcinogenicity Category 1B Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system, Central nervous system (CNS).

Physical hazards

Not Otherwise Classified Category 1 May form explosive peroxides

Health hazards

Not Otherwise Classified Category 1 Prolonged or repeated contact may dry skin and cause irritation or cracking

Signal word

Danger

Hazard statements

Highly flammable liquid and vapor Causes serious eye irritation May cause respiratory irritation May cause cancer May form explosive peroxides Prolonged or repeated contact may dry skin and cause irritation or cracking

Prevention

Keep container tightly closed Obtain special instructions before use Do not handle until all safety precautions have been read and understood Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking 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 Use only outdoors or in a well-ventilated area 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 INHALED: Remove person to fresh air and keep comfortable for breathing IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing IF exposed or concerned: Get medical advice/attention In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish

Storage

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

Disposal

Dispose of contents/container to an approved waste disposal plant

2.3 Other hazards

Contains a known or suspected endocrine disruptor