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1.00574 Supelco

1-Methyl-2-pyrrolidone

for Peptide Synthesis

Synonym: 1-Methyl-2-pyrrolidone, NMP, N-Methyl-2-pyrrolidone

  • CAS Number 872-50-4

  • Empirical Formula (Hill Notation) C5H9NO

  • Molecular Weight 99.13

  •  MDL number MFCD00003193

  •  EC Index Number 212-828-1

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Properties

Quality Level   200
vapor pressure   0.32 hPa ( 20 °C)
autoignition temp.   245 °C
potency   3598 mg/kg LD50, oral (Rat)
  8000 mg/kg LD50, skin (Rabbit)
expl. lim.   1.3-9.5 % (v/v)
pH   8.5-10.0 (20 °C, 100 g/L in H2O)
bp   202 °C/1013 hPa
mp   -24 °C
transition temp   flash point 91 °C
density   1.03 g/cm3 at 20 °C
InChI   1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
InChI key   SECXISVLQFMRJM-UHFFFAOYSA-N
storage conditions   Store at +5°C to +30°C.
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Target organs 
Respiratory system
WGK Germany 
WGK 1
Flash Point(F) 
195.8 °F - Pensky-Martens closed cup
Flash Point(C) 
91 °C - Pensky-Martens closed cup
Protocols & Articles

Articles

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