Note: Ingredients listed on restricted chemical lists
EC/CAS
110-88-3
Name of the chemical
1,3,5-trioxane
Concentration
100%
General Information
Version
ACR14029
Revision date
2026-07-16
Product name
s-Trioxane
Product Synonyms
Trioxymethylene; 1,3,5-Trioxacyclohexane; 1,3,5-Trioxane
CAS No.
110-88-3
supplier name
Fisher Scientific UK
Emergency telephone
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 UK
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H228, H313, H335, H361
Hazard statements
Code
Statements
H228
Flammable solid
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Solid Colorless sweet Emergency Overview Flammable solid. Suspected of damaging fertility or the unborn child. May cause respiratory irritation. May be harmful in contact with skin. Classification of the substance or mixture Flammable solids Category 1 Acute Dermal Toxicity Category 5 Reproductive Toxicity Category 2 Specific target organ toxicity - (single exposure) Category 3 Label Elements
Signal word
Danger Hazard Statements H228 - Flammable solid H335 - May cause respiratory irritation H313 - May be harmful in contact with skin H361 - Suspected of damaging fertility or the unborn child
Prevention
P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P240 - Ground and bond container and receiving equipment P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P271 - Use only outdoors or in a well-ventilated area P280 - Wear protective gloves
Response
P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P308 + P313 - IF exposed or concerned: Get medical advice/attention P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Combustible material.
Health hazards
Suspected of damaging fertility or the unborn child. May cause respiratory irritation. May be harmful in contact with skin.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems.
2.3 Other hazards
Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Flammable solids. Category 1 Acute Dermal Toxicity Category 5 Reproductive Toxicity Category 2 Specific target organ toxicity - (single exposure)