COA Center



1,3,5-TRIOXANE For Synthesis

Metaformaldehyde; Trioxymethylene; sym.-Trioxane


100 g (00100)

500 g (00500)

Article No. 06369 Grade For Synthesis
Purity 99% CAS No. 110-88-3
Molecular Formula C3H6O3 Molecular Weight 90.08
H.S. Code 2912.5000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Colourless to white
Melting point/ Freezing point [°C] 59 - 62 Flash point [°C] 45
Initial boiling point [°C] 112 - 115 at 1013 hPa Relative density, liquid (water=1) 1.38 at 20 °C
Solubility in water 172 g/l at 20 °C Partition coefficient Log Pow octanol / water at 20°C log Pow: -0,5 at 25 °C
Explosion limits - upper [%] 29 %(V) Explosion limits -lower [%] 3.6% (V)


Appearance Colorless to White Crystals or Crystalline flakes /Powder Purity (by GC) Min 99.0%
Identity (IR) Passes test Melting point 60-63°C

Safety Information and Hazard Symbols

Flame Exclamation Mark Health Hazard
Symbol: GHS02, GHS07, GHS08
Signal Word: Danger
UN No.: 1325
IMCO Class No.: 4.1
Packing Group: II
Hazardous Statement: H228-H335-H361d
Precaution Statement: P210-P261-P280-P308+P313
Revision Date: 28-Jun-2022

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