Product Name (Transportation Name) | Citric acid anhydrous | |
CAS Number | 77-92-9 | |
Molecular Weight | 192.12 | |
Molecular Formula | C6H8O7 | |
Physical and Chemical Properties | Appearance | Solid, crystalline |
Colour | White | |
Odour | Odourless | |
Melting Point | Approx.153 °C at 1,013 hPa | |
Boiling point/boiling range (°C): | Decomposes before boiling | |
Density | 1.665 g/cm³ at 20°C | |
Solubility (Water) | 590 g/L at 20°C | |
Solubility (Other) | Soluble in alcohol | |
Standards and Specifications | Standard | GB1886.235—2016 |
Specification | ||
Item | Index | |
Citric acid content, w/% | 99.5~100.5 | |
Water, w/% | ≤ 0.5 | |
Readily carbonizable substances | ≤ 1.0 | |
Sulfated ash, w/% | ≤ 0.05 | |
Sulfate, w/% | ≤ 0.010 | |
Chloride, w/% | ≤ 0.005 | |
Oxalate, w/% | ≤ 0.01 | |
Calcium salt, w/% | ≤ 0.02 | |
Lead (PbPb)/(mg/kg) | ≤ 0.5 | |
Total arsenic (as As)/(mg/kg) | ≤ 1.0 | |
Usage | 1.It is mainly used in the food and beverage industries as an acidulant, flavoring agent, preservative, and freshness agent. 2.It is also employed in the chemical industry, cosmetics industry, and detergent industry as an antioxidant, plasticizer, detergent, and more. | |
Packaging | 25kg / bag, 500kg / bag, 1000kg / bag pallet packaging and multi-specification packaging to meet customer demand; | |
Storage | Store in a dry, ventilated, and contamination-free environment, avoiding direct sunlight. Open-air storage is not recommended. After opening, the product should be used promptly to prevent biochemical caking. |