Product Description
Citric acid monohydrate occurs as colorless or translucent crystals or as a white crystalline, efflorescent powder. It is odorless and has a strong acidic taste. The crystal structure is orthorhombic. monohydrate crystals lose water of crystallization in dry air or when heated to about 40 to 50℃. Citric acid monohydrate softens at 75℃ and melts at approximately 100℃. It serves as a natural preservative and is commonly utilized to contribute an acidic or sour taste to foods and soft drinks.
Citric Acid Monohydrate is a tricarboxylic acid found in citrus fruits. Citric acid is used as an excipient in pharmaceutical preparations due to its antioxidant properties. It maintains the stability of active ingredients and is used as a preservative. It is also used as an acidulant to control pH and acts as an anticoagulant by chelating calcium in the blood. Additionally, Citric Acid Monohydrate is used as an acidulating, food additive, and synergist in antioxidant mixtures.
Chemical Properties
|
Melting point |
-94°C (lit.) |
|
Boiling point |
56°C 760 mm Hg (lit.) |
|
Density |
0.791 g/mL at 25°C (lit.) |
|
Solubility |
Citric Acid Monohydrate is very soluble in water, freely soluble in ethanol and sparingly soluble in ether. |
|
Form |
Solid |
|
Color |
White |
|
Odor |
Typical, practically odorless |
|
Water Solubility |
1630 g/L (20℃); H2O: soluble 54% (w/w) at 10°C (Citric acid in water) |
|
Sensitive |
Hygroscopic |
|
Stability |
Stable. Incompatible with oxidizing agents, bases, reducing agents, nitrates. |
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