GUAIFENESIN USP32 ITEM NAME GUAIFENESIN BP/USPEXPIRY DATE5 YEARSCAS NO.ITEMSSPECIFICATIONSRESULTSAPPEARANCEWHITE CRYSTALLINE POWDER…
GUAIFENESIN USP32 ITEM NAME GUAIFENESIN BP/USPEXPIRY DATE5 YEARSCAS NO.ITEMSSPECIFICATIONSRESULTSAPPEARANCEWHITE CRYSTALLINE POWDER WHITE CRYSTALLINE POWDER INDENTIFICATION IR CONFORM TO RS SPECTRUM CONFORM TO RS SPECTRUMUVCONFORM TO RS SPECTRUM CONFORM TO RS SPECTRUMCHEMICAL TEST POSITIVE POSITIVE MELTING RANGE78-82°C80.0~81.0°CLOSS ON DRYING ≤0.5%0.10%HEAVY METALS ≤0.0025%<0.0025%RELATED SUBSTANCESβ-ISOMER≤1.5%0.12%GUAIACOL≤0.03%0.01%BISETHER≤0.5%0.05%1,3-BIS(2-METHOXYPHENOXY)PROPAN-2-OL≤0.5%0.01%OTHER INDIVIDUAL UNKNOWN IMPURITY ≤0.10%0.02%SUM OF ALL IMPURITIES ≤1.0%0.08%RESIDUAL SOLVENT≤0.5%0.10%ASSAY98.0 – 102.099.8%CONCLUSIONQUANLIFIED UP TO USP32.
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