N,N-Dimethyl acetamide HP PARENTEX PLUS 2LT Go Back


: 127-19-5

Molecular Formula

: CH3CON(CH3)2

Molecular Weight

: 87.12
Description: Clear, colorless slightly hydroscopic liquid
Appearance: The substance to be examined is clear and not more intensely coloured than reference solution Y7.
Miscibility: Miscible with water and ethanol (96%).
Identification by IR: IR spectra of the sample should be concomitant with IR spectra of the standard
Identification by Chemical test: A reddish-brown color develops, reaching a maximum intensity after about 5 minutes.
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 to 1.438
Acidity: NMT 5.0ml of 0.02M potassium hydroxide is required to restore the intial bluish-green color
Alkalinity: NMT 0.5ml of 0.02M hydrochloric acid is required to restore the intial yellow color
Non-volatile matter: NMT 20ppm
Chloride (Cl): NMT 10ppm
Sulphate (SO4): NMT 10ppm
Related substances (Any impurity): NMT 0.1%
Related substances (Total impurity): NMT 0.3%
UV absorbance profile (10mm cell)@270nm: NMT 1.0
UV absorbance profile (10mm cell)@300nm: NMT 0.1
UV absorbance profile (10mm cell)@360nm: NMT 0.01
Purity (By GC): NLT 99.8%
Water (By KF): NMT 0.1% (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: Should be absent/ml
Salmonella: Should be absent/ 10ml
Pseud. aeruginosa: Should be absent/ml
Staphylococcus aureus: Should be absent/ml
Bile-tolerant gram negative bacteria: Should be absent/ml
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