Methylpyrrolidone USP-NF 2.5LT Go Back

CASR

: 872-50-4

Molecular Formula

: C5H9NO

Molecular Weight

: 99.13
Specifications  
Description: A clear colourless to very slightly yellow liquid.Boiling point about 202°. Refractive index about 1.469
Solubility: Miscible with water and with most organic solvents including alcohol, ketones, and aromatic and chlorinated hydrocarbons.
Identification A (By IR): IR spectra of the sample should be concomitant with IR spectra of the standard.
Organic impurities : individual impurity: NMT 0.1%
Organic impurities : total impurities: NMT 0.3%
Alkalinity: NMT 8.0ml of 0.02M hydrochloric acid should require
Clarity of solution: The sample should show the same clarity as that of water, or its opalescence should not more pronounced than that of reference suspension
Colour of solution: The sample should not more intensely colored than the comparision solution
Water (By KF): NMT 0.1%
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