一、化学名：氯化钾二、分子式：KCl三、分子量：74.55四、CAS: 7447-40-7五、性能：无色细长棱形或立方晶体或白色粗粉。无臭，味咸。六、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重25千克。
| 质量指标 | Specification | QB2554-2002 | BP-2004 | FCC-1996 |
| 含量 ≥% | Content | 97.0 | 99.0-100.5 | 99.0 |
| 酸度或碱度试验 | PH Value | Normal | According With The Standard | Normal |
| 砷（以As计） ≤% | Arsenic(As As) | 0.0005 | — | 0.0003 |
| 重金属（以Pb计） ≤% | Heavy metals (As Pb) | 0.0001 | 0.0001 | 0.0005 |
| 碘化物或溴化物试验 | The Test Of Iodide or Bromide | — | According With The Standard | Normal |
| 干燥减重 ≤% | Loss On Drying | 1 | 1.0 | 1.0 |
| 钠实验 | Sodium Experiment | Negative | — | Negative |
| 硫酸盐 ≤% | Sulphate | — | 0.03 | — |
| 铅 ≤% | Lead | — | 0.0001 | — |
| 钠盐 ≤% | Sodium base | 1.45 (NaCl) | 0.1 | — |
| 钡盐 | Barium | — | According With The Standard | — |
| 铁盐 ≤% | Iron | — | 0.002 | — |
| 镁盐与碱土金属 ≤% | Magnesium And Alkaline- Earth metal | — | 0.02 | — |
| 外来水溶物 ≤% | Foreign Matter Soluble In Water | 0.5 | — | — |
| 水不溶物 ≤% | Water Insolubles | 0.05 | — | — |