【CAS】584-08-7 Molecular formula: K2CO3 Relative molecular mass:138.2066
Fórmula estructural:
一．Propiedad del producto：
At room temperature, it is a white crystalline powder or particle, odorless, hygroscopic, soluble in water (solubility 111g/100mL at 25℃), insoluble in alcohols, with a density of approximately 2.428g/cm³, and a melting point of 891℃.
二．Índice de calidad:
| Parámetro | Food-Grade (FCC) |
| Assay (K₂CO₃) | ≥ 99,0% (p/p) |
| Apariencia | White granules/powder |
| Pérdida por secado (105°C) | ≤ 0.5% (w/w) |
| Cloruros (como Cl-) | ≤ 0.003% (w/w) |
| Sulfatos (como SO₄²-) | ≤ 0,005% (p/p) |
| Metales pesados (como Pb) | ≤ 10 ppm |
| Arsénico (As) | ≤ 3 ppm |
| Hierro (Fe) | ≤ 10 ppm |
| Sodio (Na) | ≤ 0,1% (p/p) |
| Materia insoluble | ≤ 0.02% (w/w) |
| pH (5% Solution) | 11.0–12.0 |
三．Ámbito de aplicación y uso：
Potassium carbonate is mainly used as an additive in instant noodles and carbonated beverages, playing a role in leavening and preservation.
四．Embalaje y almacenamiento：
Packaging: Inner liner is polyethylene plastic bag, outer cover is plastic woven bag. Net weight of each bag is 25 kilograms.
Storage and Transportation: It should be stored in a dry, ventilated and clean warehouse to prevent rain and moisture. It should be isolated from toxic substances for stacking. The shelf life of this product is twelve months.
