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Key Documents

T81108

Sigma-Aldrich

1,3,5-Trioxane

≥99%

Synonym(s):

Metaformaldehyde, Trioxymethylene, sym.-Trioxane

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About This Item

Empirical Formula (Hill Notation):
C3H6O3
CAS Number:
Molecular Weight:
90.08
Beilstein:
102769
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99%

autoignition temp.

777 °F

expl. lim.

29 %

mp

59-62 °C (lit.)

SMILES string

C1OCOCO1

InChI

1S/C3H6O3/c1-4-2-6-3-5-1/h1-3H2

InChI key

BGJSXRVXTHVRSN-UHFFFAOYSA-N

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Application

1,3,5-Trioxane is widely used as a source of anhydrous formaldehyde.
It can be used to synthesize:
  • Polyoxymethylene and hyperbranched polyesters.
  • Calixarenes such as calix[4]resorcinarene, calix[6]resorcinarene and para-tert-butylcalix[8] and [9]arene.
  • Various natural products including (−)-motuporin, (+)-sundiversifolide, (+)-lyconadin A and (−)-lyconadin B.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Sol. 1 - Repr. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 1

Flash Point(F)

113.0 °F - closed cup

Flash Point(C)

45 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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