Citric acid
| Item | Citric Acid Monohydrate | Citric Acid Anhydrous |
| China Production Standard | GB1886.235-2016 | GB1886.235-2016 |
| Export Standard | BP98,E330,E332 USP24 | BP98,E330,E332 USP24 |
| CAS NO. | 5949-29-1 | 77-92-9 |
| Molecular Formula | C6H8O7 .H2O | C6H8O7 |
| Particles (mesh) | 8-40 mesh | 12-40 mesh,30-100mesh |
| Citric Acid Content (W /%) | 99.5-100.5 | 99.5-100.5 |
| Moisture (w / %) | 7.5-9.0 | ≤0.5 |
| Readily Carbonizable Substance | ≤1.0 | ≤1.0 |
| Sulphated Ash(w/%) | ≤0.05 | ≤0.05 |
| Sulfate(mg/kg) | ≤150 | ≤100 |
| Chloride(mg/kg) | ≤50 | ≤50 |
| Oxalate(mg/kg) | ≤100 | ≤100 |
| Calcium Salt(mg/kg) | ≤200 | ≤200 |
| Lead(Pb)(mg/kg) | ≤0.5 | ≤0.5 |
| Total Arsenic (As)(mg/kg) | ≤1 | ≤1 |
| Acid and Alkali | Weak acid | Weak acid |
| Taste | strong sour taste | strong sour taste |
| Application | Can be used as food sourness agent, antioxidant,pH regulator. Used in beverages, jams, fruits and pastries. About 10% citric acid is used in the pharmaceutical industry, mainly used as an acid antidote, taste correction agent, cosmetics and so on. About 15% citric acid is used in chemical industry as buffering agent, complexing agent, metal cleaning agent, mordant, gelling agent, toner, etc. In electronics, textile, petroleum, leather, architecture, photography, plastics, casting and ceramics and other industrial fields are very broad. |
