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Alfa Aesar™ 1,3,5-Trioxane, 98%

Chemical Identifiers

Chemical Name or Material 1,3,5-Trioxane
CAS 110-88-3
Molecular Formula C3H6O3
Formula Weight 90.08
MDL Number MFCD00006563
UN Number UN1325
Beilstein 102769
Merck Index 14,9734
Synonym Formaldehyde trimer; s-Trioxan
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Catalog Number Mfr. No. Quantity Price Quantity    


alfa aesar™
500g CALL N/A N/A
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Description & Specifications


Formula Weight 90.08
Boiling Point 114° to 116°C
DOT Information Transport Hazard Class: 4.1; Packing Group: III; Proper Shipping Name: FLAMMABLE SOLIDS, ORGANIC, N.O.S.
RTECS Number YK0350000
Quantity 500g
Chemical Name or Material 1,3,5-Trioxane
CAS 110-88-3
Melting Point 59° to 62°C
Merck Index 14,9734
Flash Point 45°C (113°F)
Health Hazard 3 GHS P Statement
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Assay 98%
Synonym Formaldehyde trimer; s-Trioxan
UN Number UN1325
MDL Number MFCD00006563
Health Hazard 1 Danger
Molecular Formula C3H6O3
Health Hazard 2 GHS H Statement
Flammable solid.
Suspected of damaging fertility or the unborn child.
May cause respiratory irritation.
Beilstein 102769

It finds its application as a convenient organic-soluble source of formaldehyde; alternative to paraformaldehyde or formalin in many reactions. e.g. chloromethylation of aromatics; e.g. polystyrene. It is also used in homolytic formylation of heterocycles, used for organic synthesis, as a disinfectant, and in fuel.

Solubility in methanol is almost transparent. Soluble in water, 221 g/L (25°C).

Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.