| Customization: | Available |
|---|---|
| CAS No.: | 5949-29-1 |
| Formula: | C6h10o8 |
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Anhydrous citric acid is a white crystalline solid with a chemical formula of C6H8O7 It is the dehydrated form of citric acid, resulting in the removal of water molecules. This compound is soluble in water and has a molecular weight of approximately 192.13 g/mol.
The melting point of anhydrous citric acid is around 153-154 °C (307-309 °F), and it is relatively stable under normal conditions. It is commonly utilized in various industries, including food and beverage, pharmaceuticals, and cosmetics, due to its acidic properties and its role as a flavor enhancer and acidulant. The CAS number for anhydrous citric acid is 77-92-9.
Citric Acid anhydrous is mainly used in carbonated beverages, fruit juice beverages, lactic acid beverages and other refreshing beverages and pickled products. Citric acid, as a pH adjuster, can not only play a flavoring role, but also maintain its quality.
The corrosion inhibition performance of citric acid in detergents is also outstanding, such as cleaning metal containers, pipes, and water dispensers. Since the acidity of citric acid is relatively weak, the safety and reliability of cleaning are relatively strong, and the waste liquid is also relatively easy to handle.
Citric acid can stimulate the taste bud cells in the mouth to secrete saliva, which acts as a flavoring agent. It can regulate the PH value in the stomach and intestines, promoting animal appetite and absorption of nutrients.
| Item | Unit | BP 2013 | USP 36 | FCC 8 | E 330 |
| Characters | / | White Crystalline Powder, Colorless Crystals or Granules | |||
| Identification | / | Pass Test | |||
| Color & Clarity of Solution |
/ | Pass Test | Pass Test | / | Pass Test |
| Assay | % | 99.5- 100.5 | 99.5- 100.5 | 99.5- 100.5 | 99.5- 100.5 |
| Water | % | ≤1.0 | ≤1.0 | ≤0.5 | ≤0.2 |
| Readily Carbonisable Substances |
/ | Not Darker than Standard |
Not Darker than Standard |
Pass Test | Pass Test |
| SulphatedAsh | % | ≤0.1 | ≤0.1 | ≤0.05 | ≤0.05 |
| Sulphate | ppm | ≤150 | ≤150 | / | ≤150 |
| Oxalate | ppm | ≤360 | ≤360 | Pass Test | ≤100 |
| Calcium | ppm | / | / | / | ≤75 |
| Iron | ppm | / | / | / | ≤5 |
| Aluminum | ppm | ≤0.2 | ≤0.2 | / | / |
| Arsenic | ppm | / | / | / | ≤1 |
| Lead | ppm | / | / | ≤0.5 | ≤0.5 |
| Mercury | ppm | / | / | / | ≤1 |
| Heavy Metals | ppm | ≤10 | ≤10 | / | ≤5 |
| Bacterial Endotoxins | IU/mg | <0.5 | Pass Test | / | / |
| Volatile Organic Impurities | / | / | / | / | Pass Test |
| Tridodecylamine | ppm | / | / | ≤0.1 | / |
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