1,3,5-Trioxane

1,3,5-Trioxane
Names
	Preferred IUPAC name 1,3,5-Trioxane
	Other names s-Trioxane; 1,3,5-Trioxacyclohexane; Trioxymethylene; Metaformaldehyde
Identifiers
CAS Number	110-88-3 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	102769
ChEBI	CHEBI:38043 ;
ChEMBL	ChEMBL1495792;
ChemSpider	7790 ;
ECHA InfoCard	100.003.466
EC Number	203-812-5;
Gmelin Reference	2230
PubChem CID	8081;
RTECS number	YK0350000;
UNII	46BNU65YNY ;
UN number	1325
CompTox Dashboard (EPA)	DTXSID4021925 ;
	InChI InChI=1S/C3H6O3/c1-4-2-6-3-5-1/h1-3H2 Key: BGJSXRVXTHVRSN-UHFFFAOYSA-N ;
	SMILES O1COCOC1;
Properties
Chemical formula	C3H6O3
Molar mass	90.078 g·mol−1
Appearance	White crystalline solid
Density	1.17 g/cm3 (65 °C)
Melting point	62 °C (144 °F; 335 K)
Boiling point	115 °C (239 °F; 388 K)
Solubility in water	221 g/L
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H228, H335, H361d
Precautionary statements	P201, P202, P210, P240, P241, P261, P271, P280, P281, P304+P340, P308+P313, P312, P370+P378, P403+P233, P405, P501
NFPA 704 (fire diamond)	2 2 0
Flash point	45 °C (113 °F; 318 K)
Related compounds
Related compounds	Formaldehyde; 1,2,4-Trioxane; 1,3,5-Trithiane; Polyoxymethylene;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

1,3,5-Trioxane, sometimes also called trioxane, is a chemical compound with molecular formula C₃H₆O₃. It is a white, highly water-soluble solid with a chloroform-like odor. It is a stable cyclic trimer of formaldehyde, and one of the three trioxane isomers; its molecular backbone consists of a six-membered ring with three carbon atoms alternating with three oxygen atoms.