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  • 8.42196 - 1-Ethyl-2-pyrrolidinone

8.42196 EMD Millipore


1-Ethyl-2-pyrrolidinone for synthesis. CAS 2687-91-4, pH 8.2 (100 g/l, H₂O, 23 °C)., for synthesis

  • CAS Number 2687-91-4

  • Linear Formula C₆H₁₁NO

  • Molecular Weight 113.16 g/mol

  •  EC Number 220-250-6



Related Categories Biochemicals and Reagents More...
packaging   25 ml in Glass bottle (8421960025)
expl. lim.     1.3 - 7.7 %(V)
vapor pressure   0.18 hPa (20 °C)
density   1.0 g/cm3 (20 °C)
flash point   91 °C
autoignition temp.   245 °C DIN 51794
pH   8 - 9 (100 g/l, H₂O, 20 °C)
viscosity kinematic   2.1 mm2/s (20 °C)
LD 50 oral   LD50 Rat 3200 mg/kg
LD 50 dermal   LD50 Rat > 2000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.997 - 0.999
  Identity (IR): passes test

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Safety Information

HS Code 
2933 79 00
Hazard Statement(s) 
H360D: May damage the unborn child.
H318: Causes serious eye damage.
Precautionary Statement(s) 
P201: Obtain special instructions before use.
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.
Storage class 
6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK 1 slightly 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) 
GHS08  GHS08
Hazard Symbols 
Toxic  Toxic
Categories of danger 
toxic for reproduction, irritant
R Phrase 
R 61-41
May cause harm to the unborn child.Risk of serious damage to eyes.
S Phrase 
S 45-26-39-53
In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.Avoid exposure - obtain special instructions before use.
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