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  • 8.18212 - 1,3-Dimethyl-2-imidazolidinone

8.18212 EMD Millipore


1,3-Dimethyl-2-imidazolidinone for synthesis. CAS 80-73-9, pH (H₂O) neutral., for synthesis

Synonym: Dimethylethylene urea, DMI, DMEU

  • CAS Number 80-73-9

  • Linear Formula C₅H₁₀N₂O

  • Molecular Weight 114.14 g/mol

  •  EC Number 201-304-8



Related Categories Biochemicals and Reagents More...
packaging   100 ml in Glass bottle (8182120100)
expl. lim.     1.3 - 8.4 %(V)
vapor pressure   <1 hPa (20 °C)
density   1.056 g/cm3 (20 °C)
flash point   114 °C
autoignition temp.   305 °C
mp   8 °C
viscosity kinematic   1.43 mm2/s (40 °C)
LD 50 oral   LD50 Rat 1261 mg/kg
LD 50 dermal   LD50 Rabbit 986 mg/kg
shipped in   ambient
storage temp.   Store at +5°C to +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Identity (IR): passes test
  Density (d 20 °C/ 4 °C): 1.055 - 1.057
  Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

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Safety Information

HS Code 
2933 29 90
Hazard Statement(s) 
H302: Harmful if swallowed.
H318: Causes serious eye damage.
H373: May cause damage to organs through prolonged or repeated exposure.
Precautionary Statement(s) 
P280: Wear eye protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P314: Get medical advice/ attention if you feel unwell.
Storage class 
6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 3 highly water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS05  GHS05
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Pictogram(s) 
GHS08  GHS08
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
Kein Gefahrgut
Declaration (transport by air) IATA-DGR 
No Dangerous Good
Declaration (transport by sea) IMDG-Code 
No Dangerous Good
Categories of danger 
harmful, irritant
R Phrase 
R 22-41-48/22
Harmful if swallowed.Risk of serious damage to eyes.Harmful: danger of serious damage to health by prolonged exposure if swallowed.
S Phrase 
S 26-36/37/39
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.
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