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SZSE：002741
Chemical Reagents
N,N-Dimethylformamide?COA Report
  • CAS No.：68-12-2?
  • Molecular weight：73.10
  • Aliases：Dimethylform amide； DMF
  • Molecular formula：C3H7NO
  • UN Code：2265
  • EC No.：200-679-5
  • HS-No：29241900
Information
Specification category：
Product No. Product name specifications
1.20307.013 N,N-Dimethylformamide AR500mL
1.20307.023 N,N-Dimethylformamide CP500mL
1.20307.043 N,N-Dimethylformamide AR2.5L
1.20307.063 N,N-Dimethylformamide AR25L
Characteristic： Appearance and properties: colorless liquid with a faint characteristic odor.
Melting point (℃): -61
Boiling point (℃): 152.8
Flash point (℃): 58
Upper explosive limit% (V / V): 15.2
Density: relative density (water = 1) 0.94
Relative vapor density (air = 1): 2.51
Ignition temperature (℃): 445
Lower explosive limit% (V / V): 2.2
Heat of combustion (kJ / mol): 1915
Saturated vapor pressure (hPa): 3.46 (60 ℃)
Critical temperature (℃): 374
Critical pressure (MPa): 4.48
Technical indicators：
Item AR CP
Assay [HCON(CH3)2] ≥99.5% ≥99.0%
Chroma, Hazen ≤10 ≤20
Density(20℃)，g/ml 0.945～0.950 0.945～0.950
Evaporation residue ≤0.005% ≤0.01%
Acidity(as H+), mmol/100g ≤0.1 ≤0.2
Alkalinity(as OH-),mmol/100g ≤0.1 ≤0.2
Iron(Fe) ≤0.0005% ≤0.001%
Water(H2O) ≤0.1% ≤0.2%
Hazard characteristics：

IATA-DGR UN 2265 N,N-DIMETHYLFORMAMIDE,3,III

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