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Online Edition: "Specifications for Flavourings"

Flavouring Guaiacol
Synonym(s) o-Hydroxyanisole;Pyroguaiac acid;o-Methoxyphenol;Pyrocatechol monomethyl ether;1-Hydroxy-2-methoxybenzene;1-Oxy-2-methoxybenzene;o-Methylcatechol
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name o-Methoxyphenol
JECFA number 713
CAS number 90-05-1
FEMA number 2532
COE number 173
FLAVIS number
Molecular weight 124.14
Chemical formula C7H8O2
Physical form/odour Colourless to amber crystals, powerful, smoke-like, somewhat medicinal odour
Solubility slightly soluble in water
Solubility in ethanol very soluble
Boiling point (°C) 203-206°
Assay min % 99%
Acid value max
Refractive index 1.540-1.545
Specific gravity 1.129-1.140
Other requirements mp: 28° (liquid which may crystallize)
ID Test IR