Choline hydrogen tartrate USP dietary supplement

: Spectrum Chemical

: Spectrum Chemical

:87-67-2

:C₉H₁₉NO₇

:MFCD00036332

:253.25 g/mol

:151…153 °C

:Ambient

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IDENTIFICATION (A) FTIR:
SPECTRUM MATCHES REFERENCE
IDENTIFICATION (B):
WHITE PRECIPITATE FORMS
ASSAY (ANHYDROUS BASIS):
99.0-100.5 %
OPTICAL ROTATION:
+17.5° to +18.5°
pH (1 in 10 SOLUTION):
3.0 - 4.0
ELEMENTAL IMPURITIES:
AS REPORTED
ARSENIC:
min. 2 ppm
LEAD:
min. 0.3 ppm
TOTAL AMINES:
min. 10 µg/g
1,4-DIOXANE:
min. 10 µg/g
RESIDUE ON IGNITION:
min. 0.1 %
WATER DETERMINATION:
min. 0.5 %
CHROMATOGRAPHIC PURITY::
min.
INDIVIDUAL IMPURITIES:
min. 0.3 %
TOTAL IMPURITIES:
min. 2.0 %
RESIDUAL SOLVENTS:
AS REPORTED
CLASS 3 (solvent) / ETHANOL:
.