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Food safety and quality
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| Flavouring |
3,4-Dihydroxybenzoic acid |
| Synonym(s) |
Protocatehuic acid |
| Latest JECFA evaluation |
(Session 96) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
3,4-Dihydroxybenzoic acid |
| JECFA number |
2278 |
| CAS number |
99-50-3 |
| FEMA number |
4430 |
| COE number |
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| FLAVIS number |
08.133 |
| Molecular weight |
154.12 |
| Chemical formula |
C7H6O4 |
| Physical form/odour |
Light brown solid |
| Solubility |
Soluble |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
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| Assay min % |
99% |
| Acid value max |
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| Refractive index |
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| Specific gravity |
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| Other requirements |
M.P. 210-221 °C |
| ID Test |
IR |
| Spectrum |
 
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