PRODUCT Properties
| storage temp. | Store at RT. |
| PH | 4.79(1 mM solution);4.4(10 mM solution);4.08(100 mM solution);3.79(1000 mM solution) |
| Water Solubility | slightly soluble H2O; soluble dilute acids [MER06] |
| Merck | 14,5663 |
| InChIKey | DIXGJWCZQHXZNR-UHFFFAOYSA-L |
Description and Uses
Citric Acid is a weak organic acid that is known as a commodity chemical, as more than a million tonnes are produced every year by mycological fermentation on an industrial scale using crude sugar solutions, such as molasses and strains of Aspergillus niger. Citric acid is widely distributed in plants and in animal tissues and fluids and exist in greater than grace amounts in variety of fruits and vegetables, most notably in citrus fruits such as lemon and limes. Citric acid is mainly used as an acidifier, flavoring agent and chelating agent. Citric acid is also a metabolite of Dimethyl Fumarate (D464965), a compound used as a treatment for the relapsing forms of multiple sclerosis and psoriasis.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
