Molekula
1,3,5-Trioxane
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1,3,5-Trioxane is a cyclic trimer of formaldehyde, primarily used as a formaldehyde releaser in resins, adhesives, and preservatives, as well as in organic synthesis. It is also employed as a reagent in organic synthesis, as a disinfectant, and as a solid fuel that burns without visible flame or odor. It is a white crystalline solid with a mild formaldehyde odor. This chemical has a CAS number of 110-88-3, a molecular formula of C3H6O3, and a molecular weight of 90.08 g/mol. It should be stored at ambient temperature, with a signal word of Danger indicating its hazardous nature.
Molekula supplies 1,3,5-Trioxane at ≥ 99.0% purity in 500 g packs, from £37.08 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — £30.90 per pack ex VAT · £37.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystal |
| Water | ≤ 0.05% |
| Assay | ≥ 99.0% |
| Methanol | ≤ 0.1% |
| Formic Acid | ≤ 0.005% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 45 °C |
| Transport Class | 4.1 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystalline solid |
| Odour | Characteristic chloroform-like odor |
| Melting Point | 64 °C |
| Boiling Point | 114.5 °C at 759 mmHg |
| Vapour Pressure | 13 mmHg |
Source: PubChem CID 8081 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 89967083 |
| CAS Number | 110-88-3 |
| IUPAC Name | 1,3,5-trioxane |
| EC Number | 203-812-5 |
| Molecular Formula | C3H6O3 |
| Molecular Weight | 90.08 |
| Exact Mass | 90.0317 |
| SMILES | C1OCOCO1 |
| InChIKey | BGJSXRVXTHVRSN-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H6O3/c1-4-2-6-3-5-1/h1-3H2 |
| PubChem CID | 8081 |
| UN Number | UN1325 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2912505000 |
| Tariff Code | 2912500000 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H228 Flammable solid
- H335 May cause respiratory irritation
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P281 Use personal protective equipment as required
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1,3,5-Trioxacyclohexane
- Aldeform
- Formaldehyde, trimer
- Metaformaldehyde
- s-Trioxane
- sym-Trioxane
- Triformol
- Trioxan
- Trioxane
- Trioxymethylene
Frequently asked questions
What is 1,3,5-Trioxane commonly used for?
1,3,5-Trioxane is primarily used as a precursor in the production of formaldehyde, as a fuel additive, and in the synthesis of pharmaceutical intermediates.
What is the chemical formula and molecular weight of 1,3,5-Trioxane?
The chemical formula is C₃H₆O₃, and the molecular weight is 90.08 g/mol.
What safety classification does 1,3,5-Trioxane have?
The product carries a Signal Word: Danger due to its hazardous properties.
How should 1,3,5-Trioxane be stored?
Store at ambient temperature in a cool, dry, well-ventilated area, away from ignition sources.
Can Molekula supply 1,3,5-Trioxane in bulk quantities?
Yes, we offer bulk quantities of 1,3,5-Trioxane—please contact our sales team for specific pricing and availability.
What documentation is provided with an order of 1,3,5-Trioxane?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a packing list.
Where can I buy 1,3,5-Trioxane?
Directly from Molekula, which lists 1,3,5-Trioxane in 500 g packs from £37.08 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is 1,3,5-Trioxane dangerous goods for shipping?
Yes. 1,3,5-Trioxane ships as dangerous goods: UN1325, class 4.1, packing group II.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.