Vanillic Acid
Aroma Chemical CAS 121-34-6
A creamy vanilla note with a milky custard character and a soft powdery facet. Sweet and natural, it adds a vanilla bean depth to compositions.
Odor profile
| Descriptor 1 | Gourmand |
| Descriptor 2 | Creamy |
| Descriptor 3 | Vanilla |
Identification
| CAS Number | 121-34-6 |
| INCI Name | Vanillic acid |
| Category | Aroma Chemical |
| Formula | C8H8O4 |
| Mol. Weight | 168.15 |
| IUPAC Name | 4-hydroxy-3-methoxybenzoic acid |
| InChIKey | WKOLLVMJNQIZCI-UHFFFAOYSA-N |
Synonyms
p-hydroxy-m-methoxy-benzoic, m-anisic acid, 4-hydroxy-, benzoic acid, 4-hydroxy-3-methoxy-, 4-hydroxy-3-methoxy benzoic acid, 4-hydroxy-3-methoxy-benzoic acid, 4-hydroxy-3-methoxybenzoate, 4-hydroxy-3-methoxybenzoic acid, 4-hydroxy-m-anisic acid, p-hydroxy-m-methoxy-benzoic acid, p-hydroxy-m-methoxy-benzonic acid, 4-hydroxy-meta-anisic acid, 3-methoxy-4-hydroxybenzoic acid, protocatechuic acid 3-methyl ester, p-vanillic acid, vanillic acid, tech. grade, vanillicacid, acid
Physical and chemical data
| Boiling Point | 353.43 °C |
| Melting Point | 210.00 °C |
| Vapor Pressure | 0.000020 mmHg @ 25.00 C. |
| LogP | 1.430 |
| Solubility | alcohol, 5% slightly hazy; dipropylene glycol; water, 1500 mg/L @ 14C (exp) |
| Appearance | white to beige powder |
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.