Citric Acid is a natural acid that occurs naturally in various citrus fruits like lemon or orange. It is a weak organic tricarboxylic acid and can also be produced artificially. This acid is widely used as an acidifier, as a flavoring and chelating agent. It is an edible acid that is used as a flavoring agent and preservative in food and beverages. This acid is also an excellent chelating agent that binds metals by making them soluble. It is also used in cosmetics and pharmaceutical products.
CAS Number | 77-92-9 |
Name | Citric Acid |
Formula | C6H8O7 |
Molecular Weight | 192.14 |
Deleted CAS | 906507-37-7|896506-46-0|623158-96-3|43136-35-2|12262-73-6 |
Synonyms | Citretten;.beta.-Hydroxytricarballylic acid;K-Lyte;Citric Acid anhy;2-Hydroxy-1,2, 3-propanetricarboxylic acid;K-Lyte/Cl;Kyselina 2-hydroxy-1,2,3-propantrikarbonova [Czech];2-Hydroxypropanetricarboxylic acid;Chemfill;Citric acid (8CI);2-Hydroxy-1,2,3-propanetricarboxylic acid;3-Carboxy-3-hydroxypentane-1,5-dioic acid;Anhydrous citric acid;1,2,3-Propanetricarboxylic acid,2-hydroxy-;2-hydroxypropane-1,2,3-tricarboxylate;Anhydrous citric acid (JP14);Kyselina citronova [Czech];H3cit;FEMA No. 2306;E 330;2-Hydroxytricarballylic acid;F 0001 (polycarboxylic acid);Kyselina citronova;Hydrocerol A;Citric acid [USAN: JAN];Citric acid, anhydrous;1,2,3-Propanetricarboxylic acid, 2-hydroxy- (9CI);Uro-trainer;1,2,3-Propanetricarboxylic acid, 2-hydroxy-;Aciletten;Monohydrate Citric Acid;Citric acid anhydrate;Citric Acid Anydrous; |
EINECS | 201-069-1 |
Density | 1.762 g/cm3 |
Melting Point | 153-159 °C(lit.) |
Boiling Point | 309.567 °C at 760 mmHg |
Flash Point | 155.243 °C |
Solubility | 750 g/L (20 °C) in water |
Appearance | White crystalline powder |
Risk Codes | 41-36/37/38-36/38-37/38-34 |
Safety | 26-39-37/39-24/25-36/37/39-45-36 |