Guaifenesin
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Product Description
Product
Guaifenesin
CAS
93-14-1
Formula
C10H14O4
Synonym
1,2-Propanediol, 3-(2-methoxyphenoxy)-; 3 - (2 - Methoxyphenoxy) - 1, 2 - propanediol
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
Class
Guaifenesin
Product Description
Product
Guaifenesin
CAS
93-14-1
Formula
C10H14O4
Synonym
1,2-Propanediol, 3-(2-methoxyphenoxy)-; 3 - (2 - Methoxyphenoxy) - 1, 2 - propanediol
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
Class
