Agent Name

1,3,5-Trioxane

Alternative Name

s-Trioxane

CAS Number

110-88-3

Formula

C3-H6-O3

Major Category

Other Classes

Synonyms

s-Trioxane; 1,3,5-Trioxacyclohexane; 1,3,5-Trioxan; Aldeform; Formagene; Formaldehyde, trimer; Marvosan; Metaformaldehyde; Paraformaldehyde; Polymerized formaldehyde; Polyoxymethylene; Triformol; Triossimetilene [Italian]; Trioxan; Trioxane; Trioxin; Trioxymethyleen [Dutch]; Trioxymethylen [German]; Trioxymethylene; [ChemIDplus] UN1325

Category

Aldehydes

Description

White solid with a chloroform-like odor; [HSDB] White crystalline powder; [MSDSonline]

Sources/Uses

Used for organic synthesis, as a disinfectant, and in fuel; [Hawley]

Comments

Cyclic trimer of formaldehyde; [Merck Index] A respiratory tract irritant; [eChemPortal: ESIS] Slowly releases formaldehyde at body temperature; Has same toxicity as formaldehyde after absorption into the body; [HSDB] A respiratory tract irritant; A severe skin and eye irritant; [MSDSonline] See "Formaldehyde."

Exposure Assessment
Vapor Pressure

13 mm Hg

Lethal Concentration

LC50 (rat) > 10,463 ppm

Explanatory Notes

Flash point = 45 deg C; [Merck Index] The Guide in the Emergency Response Guidebook is for "Flammable solid, organic, n.o.s."

Flammability (NFPA)

2: High ambient temperature required

Links to Other NLM Databases
Health Studies

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: