| Customization: | Available |
|---|---|
| CAS No.: | 77-92-9 |
| Formula: | C6h8o7 |
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Citric acid anhydrous occurs as colorless crystals or as white crystalline powder with a strong acidic taste. It is easily soluble in water, freely soluble in ethanol and sparingly soluble in ether.
Physical Properties:
| Molecular Weight | 192.13 |
| Melting Point | 153-159ºC |
| Boiling Point | 175ºC |
| Density | 1.542g/cm3 |
| Water Solubility | Easily Soluble |
| Test Item | Unit | The Standard | |
| Appearance | --- | White or almost white, crystalline powder, colourless crystals or granules. Odorless, has a strongly acid taste. Very soluble in water, freely soluble in ethanol. | |
| Identification | --- | Pass test | |
| Appearance of solution | --- | Pass test | |
| Assay | % | 99.5-101.0 | |
| Moisture | % | 1.0Max. | |
| Sulphate | ppm | 150Max. | |
| Oxalate | ppm | 100Max | |
| Calcium | ppm | 75Max | |
| Bacterial Endotoxin | IU/mg | 0.5Max. | |
| Sulphated Ash | % | 0.05Max | |
| Lead | ppm | 0.5Max | |
| As | ppm | 1Max | |
| Mercury | ppm | 1Max | |
| Aluminum | ppm | 0.2Max | |
| Heavy Metals(as Pb) | ppm | 5Max | |
| Readily Carbonisable Substance | --- | Pass test | |
Citric acid is mainly used as acidulate, flavoring agent, preservative and antistaling agent in food and beverage industry. It is also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries. Citric acid is an excellent chelating agent, binding metals. It is used to remove limescale from boilers and evaporators.
Store in tightly closed orignal package at cool, dry and ventilate place.
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