Food safety and quality
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Flavouring |
4-Hydroxybenzoic acid |
Synonym(s) |
p-Hydroxybenzoic acid;p-Salicylic acid |
Latest JECFA evaluation |
2002 (Session 59) |
Status of specification |
Full |
Information required |
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Chemical name |
4-Hydroxybenzoic acid |
JECFA number |
957 |
CAS number |
99-96-7 |
FEMA number |
3986 |
COE number |
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FLAVIS number |
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Molecular weight |
138.12 |
Chemical formula |
C7H6O3 |
Physical form/odour |
White crystalline powder; faint nutty odour |
Solubility |
slightly soluble in water; soluble in organic solvents |
Solubility in ethanol |
freely soluble |
Boiling point (°C) |
NA |
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. 213-214° |
ID Test |
IR |
Spectrum |
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