Molecular formula : C4H10O4
Molecular weight : 122.12
Chemical abstracts N° : 3586-55-8
Einecs n° : 222-720-6
Synonyms :
[1,2-ethanediylbis(oxy)]bis
ethylene glycol bis (semi formal)
PHYSICAL
PROPERTIES
Description : colourless liquid
Smell : mild
Boiling point : decomposes above 130°C
Melting point : < -10°C
pH at 0.1 % in water : 7.5
Relative density : 1.2
Vapour pressure at 20°C : 0.27 mmHg
Solubility : fully miscible with water
Flash point : 80°C
Flammability : will burn in a fire
CHEMICAL
PROPERTIES
Chemical family : acetals.
Decomposition of the product leads to the formation of formaldehyde
when heated
in acidic conditions.
in contact with strong oxydizing agents
APPLICATIONS
Resins
EDDM is a safe way to generate formaldehyde by decomposition of the product
for reactions with urea, phenol, ...
Bactericide - Fungicide
EDDM shows a broad spectrum of activities against bacteria and fungi. It
is currently used for the preservation of aqueous-based
cutting oils and metal working fluids
PVA, acrylic and latex dispersions
p²etroleum drilling muds
EDDM can be used alone or in complex biocide preparations.
The dose is between 0.1 and 0.25 %.
HEALTH
& SAFETY
Toxicological information
LD50 for rats, oral : 2000 mg/kg The product is irritant for
the eyes, skin and mucous membranes.
Ecotoxicological information
At high concentrations (above 100 ppm), the product has biocide and fungicide
properties.
At concentrations lower than 10 ppm, the product is biodegradable.
