1,4-Dioxane, anhydrous

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 Category 2 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 drowsiness and dizziness May cause cancer May cause damage to organs through prolonged or repeated exposure May form explosive peroxides Prolonged or repeated contact may dry skin and cause irritation or cracking

Precautionary statements

Manufacturer Alfa Aesar Thermo Fisher Scientific Chemicals, Inc. 30 Bond Street, Ward Hill, MA 01835-8099 Tel 800-343-0660 Fax 800-322-4757 Email: tech@alfa.com www.alfa.com

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 Keep container tightly closed 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 Do not breathe dust/fumes/gas/mist/vapours/spray Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area

Response

IF exposed or concerned: Get medical advice/attention 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 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