| Melting point | 153-159 °C(lit.)
|
| Boiling point | 248.08°C (rough estimate) |
| density | 1.542 |
| vapor density | 7.26 (vs air)
|
| vapor pressure | <0.1 hPa (20 °C) |
| refractive index | 1.493~1.509 |
| FEMA | 2306 | CITRIC ACID |
| Fp | 100 °C |
| storage temp. | Store at RT. |
| solubility | H2O: 1 M at 20 °C, clear, colorless
|
| pka | 3.14(at 20℃) |
| form | grit
|
| color | White |
| Odor | Odorless |
| PH | 1.0-2.0 (25℃, 1M in H2O) |
| explosive limit | 8%, 65°F |
| Water Solubility | 750 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: 0.20
λ: 280 nm Amax: 0.10 |
| Sensitive | Hygroscopic |
| JECFA Number | 218 |
| Merck | 14,2326 |
| BRN | 782061 |
| Stability: | Stable. Incompatible with bases, strong oxidizing agents, reducing agents, metal nitrates. |
| InChIKey | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
| CAS DataBase Reference | 77-92-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2,3-Propanetricarboxylic acid, 2-hydroxy-(77-92-9) |
| EPA Substance Registry System | Citric acid (77-92-9) |
Japan
