CAS number : 108-32-7
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Propylene carbonate is an organic compound with the formula CH3C2H3O2CO. It is a carbonate ester derived from propylene glycol. This colorless and odorless liquid is useful as a polar, aprotic solvent.
Propylene Carbonate USP NF Grade
Cyclic propylene carbonate
CAS Number 108-32-7
Propylene Carbonate contains not less than 99.0 percent and not more than 100.5 percent of C4H6O3.
Identification: Infrared Absorption.
Specific gravity: between 1.203 and 1.210 at 20C.
pH: Gently but thoroughly mix 10 mL with 0.3 mL of saturated potassium chloride solution in a 100-mL borosilicate volumetric flask. Dilute with carbon dioxide-free water having a pH of 7.0 ± 0.5 to volume. Completely purge the solution by vigorous nitrogen bubbling, and continue the bubbling during the pH measurement. Determine the pH potentiometrically when the reading stabilizes: it is between 6.0 and 7.5.
Residue on ignition: not more than 0.01%.
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