General Information
Version
5
Revision date
2025-12-21
Product name
1,3-Dioxane
Product Synonyms
Formaldehyde trimethylene acetal
CAS No.
505-22-6
Emergency telephone
1-800-234-7437, 001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Fisher Scientific
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H225, H315, H319, H335
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
SECTION 2: Hazards identification
WHMIS 2015 Classification
Signal word
Danger
Hazard statements
Highly flammable liquid and vapor Causes skin irritation Causes serious eye irritation May cause respiratory irritation May form explosive peroxides
Prevention
Keep container tightly closed Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Ground and bond container and receiving equipment Use explosion-proof electrical/ventilating/lighting/equipment 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 Use non-sparking tools Take action to prevent static discharges
Response
IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or 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 Call a POISON CENTER/ doctor if you feel unwell In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish Take off contaminated clothing and wash it before reuse
Storage
Store in a well-ventilated place. Keep container tightly closed Store locked up
Disposal
Dispose of contents/container to an approved waste disposal plant
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) Flammable liquids Category 2 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Physical Hazards Not Otherwise Classified Category 1 May form explosive peroxides
