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Online Edition: "Specifications for Flavourings"

Flavouring 2-Hydroxybenzoic acid
Synonym(s) o-Hydroxybenzoic acid;Salicylic acid
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 2-Hydroxybenzoic acid
JECFA number 958
CAS number 69-72-7
FEMA number 3985
COE number 10165
FLAVIS number
Molecular weight 138.12
Chemical formula C7H6O3
Physical form/odour White to faint yellow crystalline powder; faint nutty odour
Solubility very slightly soluble in water; soluble in organic solvents
Solubility in ethanol very soluble
Boiling point (°C) 211° (20 mm Hg)
Assay min % 99% (by chemical analysis, acid-base titration)
Acid value max
Refractive index NA
Specific gravity NA
Other requirements m.p. 158-160°
ID Test IR