Food safety and quality
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Flavouring |
2-Hydroxybenzoic acid |
Synonym(s) |
o-Hydroxybenzoic acid;Salicylic acid |
Latest JECFA evaluation |
2002 (Session 59) |
Status of specification |
Full |
Information required |
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Chemical name |
2-Hydroxybenzoic acid |
JECFA number |
958 |
CAS number |
69-72-7 |
FEMA number |
3985 |
COE number |
10165 |
FLAVIS number |
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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 |
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Refractive index |
NA |
Specific gravity |
NA |
Other requirements |
m.p. 158-160° |
ID Test |
IR |
Spectrum |
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