Note: Ingredients listed on restricted chemical lists
EC/CAS
110-88-3
Name of the chemical
1,3,5-trioxane
Concentration
N/A
General Information
Revision date
2026-03-06
Product name
1,3,5-Trioxane
Product Synonyms
metaformaldehyde
CAS No.
110-88-3
supplier name
Combi-Blocks, Inc.
Emergency telephone
1-858-635-8950, 1-800-535-5053, 1-352-323-3500
Icons in SDS
Company Information
company name
Combi-Blocks, Inc.
e-mail address of the competent person responsible for the Safety Data Sheet
sales@combi-blocks.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H228, H335
Hazard statements
Code
Statements
H228
Flammable solid
Section 2
Signal word
Danger
Hazard statements
H228 Flammable solid H335 May cause respiratory irritation
Precautionary statements
P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/light equipment. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340+P312 If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breath- ing. Call a POISON CENTER or doctor/physician if you feel unwell. P370+P378 In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction. P403+P233 Store in a well ventilated place. Keep container tightly closed. P405 Store locked up. P501 Dispose of contents/container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Flammable solids (Category 1, 2), H228 Specific target organ toxicity, single exposure; Respiratory tract irritation (Category 3), H335
