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Guaifenesin

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Product Description

PRODUCT

Guaifenesin

CAS #

93-14-1

SYNONYM

3 - (2 - Methoxyphenoxy) - 1, 2 - propanediol ; 1,2-Propanediol, 3-(2-methoxyphenoxy)-

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FORMULA

C10H14O4

Typical Product Specifications

DESCRIPTION

White to slightly grey crystalline powder.

IDENTIFICATION

To pass IR and UV test

SOLUBILITY

Soluble in water, alcohol, chloroform and propylene glycol. Sparingly soluble in glycerin.

MELTING RANGE

78 - 82 ºC

LOSS ON DRYING

NMT 0.5% at 60ºC under vacuum

HEAVY METALS

NMT 0.0025%

CHROMATOGRAPHIC PURITY

-

BETA-ISOMER

NMT 1.5%

GUAIACOL

NMT 0.03%

INDIVIDUAL IMPURITIES

NMT 0.5%

TOTAL IMPURITIES

NMT 1.0%

ETHYL ALCOHOL

NMT 300ppm

ASSAY

98.0% - 102% by HPLC on dry basis

MELTING POINT

78-79 c

MOLECULAR WEIGHT

198.21

COLOR

colorless crystal or powder

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