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Food safety and quality
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| Flavouring |
Adipic acid |
| Synonym(s) |
Hexanedioic acid;1,4-Butanedicarboxylic acid |
| Latest JECFA evaluation |
1999 (Session 53) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Hexanedioic acid |
| JECFA number |
623 |
| CAS number |
124-04-9 |
| FEMA number |
2011 |
| COE number |
26 |
| FLAVIS number |
|
| Molecular weight |
146.14 |
| Chemical formula |
C6H10O4 |
| Physical form/odour |
white crystals or crystalline powder; practically odourless; aqueous phase has a pleasant sour taste |
| Solubility |
slightly soluble in water; soluble in alcohol and acetone |
| Solubility in ethanol |
|
| Boiling point (°C) |
NA |
| Assay min % |
99.6% |
| Acid value max |
|
| Refractive index |
NA |
| Specific gravity |
NA |
| Other requirements |
Heavy Metals: max. 10 ppm; Melting Range: 151.5 to 154°; Residue on Ignition: max. 0.002%; Water: max. 0.2% |
| ID Test |
IR |
| Spectrum |
 
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