| Synonyms: beta-hydroxytricarballylic
acid; aciletten; citretten; Citro; hydrocerol a; 2-Hydroxytricarballylic
acid; 2-Hydroxy-1,2,3-propanetricarboxylic acid; Hydroxytricarballylic
acid; citrate ion; Citralite |
Structure:  |
| CAS RN: 77-92-9 |
Formula: C6H8O7 |
| Melting point °C: 153
|
Boiling point °C: n/a |
| MW: 192.125 |
pKa: 3.14
/ 4.77 / 6.39 |
| Importance in coffee: One
of the most predominant acids in its contribution to coffee's perceived
acidity. |
| During roasting: Decreases
at medium and dark roasts. |
| Other: water
solubility: >=10 g/100 mL at 22 C. Density = 1.542. |
|