N,N-Dimethyl acetamide CDMF 2.5LT Go Back

CASR

: 127-19-5

Molecular Formula

: CH3CON(CH3)2

Molecular Weight

: 87.12
Specifications  
Description: Clear colourless liquid with a chracteristic odour
Appearance: The substance to be examined is clear and not more intensely coloured than reference solution Y7.
Miscibility: Miscible with ethanol (95%), water & most common solvent
Identification by IR: IR spectra of the sample should be concomittant with IR spectra of the corresponding standard.
Identification by Chemical test: A reddish-brown colour develop, reaching a maximum intensity after about 5 min
Boiling range (95%): 164.5°C to 167.5°C
Relative density, 20°C: 0.941 to 0.944
Refractive index (20°C ± 0.5°C): 1.437 - 1.438
Acidity: Not more than 5.0 mL of 0.02M potassium hyrodxide should require to restore the initia (Bluish-green) colour
Alkalinity: Not more than 0.5 mL of 0.02M hydrochloric acid should require to restore the initial (Yellow) colour
Non-volatile matter: Not more than 20ppm
Chloride (Cl): Not more than 10ppm
Sulphate (SO4): Not more than 10ppm
Lead (Pb): Not more than 0.5ppm
Arsenic (As): Not more than 1.5ppm
Cadmium(Cd): Not more than 0.2ppm
Mercury(Hg): Not more than 0.3ppm
Related substances (Any impurity): Not more than 0.1%
Related substances (Total impurity): Not more than 0.3%
UV absorbance profile (10mm cell)@270nm: 1.0 max
UV absorbance profile (10mm cell)@300nm: 0.1 max
UV absorbance profile (10mm cell)@360nm: 0.01 max
Purity (By GC): Min.99.8%
Water (By KF): Not more than 0.05% (w/w)
Bacterial endotoxins: NMT 2.0 EU/mL
Total aerobic bacterial count: NMT 100CFU/mL
Total combined yeast and molds count: NMT 10CFU/mL
E.coli: Must be Absent per mL
Salmonella: Must be Absent per 10 mL
Pseud. aeruginosa: Must be Absent per mL
Staphylococcus aureus: Must be Absent per mL
Bile-tolerant gram negative bacteria: Must be Absent per mL
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