Triethyl citrate CDMF 2.5KG Go Back


: 77-93-0

Molecular Formula

: C12H20O7

Molecular Weight

: 276.29
Description: Clear, viscous, colorless or almost colorless, hygroscopic, oily liquid’.
Appearance of solution: The substance to be examined is clear and not more intensely colored than reference solution BY6’
Solubility: Slightly soluble in water, miscible with alcohol, ethanol (96%), slightly soluble in fatty oils.
Identification (By Refractive index, 20±0.5°C): 1.440 -1.446
Identification (By IR): IR spectra of the sample should be concomitant with IR spectra of the standard.
Identification (By GC Chromatogram): The retention time of the major peak of the sample solution corresponds to that of a similar preparation of triethyl citrate standard as obtained in the assay.
Identification (Reaction of esters): A bluish-red or red color should produce.
Identification (Reaction of citrates): Violet color turning to violet-blue should produce.
Assay (By GC) On anhydrous basis: 99.0% -100.5%
Acidity: Not more than 0.5mL of 0.1 mol/L sodium hydroxide should require to produce blue color.
Specific gravity, 25°C: 1.135-1.139
Refractive index, 25°C: 1.439-1.441
Refractive index (20°C ± 0.5°C): 1.440 to 1.446
Related substances (Any impurity): 0.2% max
Related substances (Total impurity): 0.5% max
Water: 0.25% max
Sulfated ash: 0.1% max
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