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磷酸钾二元 一元
Potassium dihydrogen phosphate
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| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4059032 | 50 G | 2540 | 2-5天 | 4-6周 | |
| 4059032 | 250 G | 3850 | 2-5天 | 4-6周 | |
| 4059032 | 500 G | 7800 | 2-5天 | 4-6周 |
产品别名
7778-77-0
磷酸钾二元 一元
Potassium dihydrogen phosphate
prim.-Potassium phosphate
mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic
Potassium phosphate monobasic
Monopotassium phosphate
磷酸二氢钾
无水磷酸二氢钾
磷酸一钾
结构式
基本信息
| Linear Formula【线性分子式】 | KH2PO4 |
| Molecular weight | 136.09 |
| MDL number | MFCD00011401 |
| EC Index Number【EC索引号】 | 231-913-4 |
| Linkage【联系】 | Replaces: 5108-1; 5108-2; 5108 |
| Analysis Note【分析说明】 | Purity (metallic): ≥ 99.995 % Assay (acidimetric): ≥ 99.5 % Spec. Absorbance A at 260 nm (2 cm, 10%, water): ≤ 0.010 Chloride (Cl): ≤ 5 ppm Sulfate (SO₄): ≤ 30 ppm As (Arsenic): ≤ 0.1 ppm Ba (Barium): ≤ 5.0 ppm Ca (Calcium): ≤ 0.50 ppm Cd (Cadmium): ≤ 0.005 ppm Ce (Cerium): ≤ 0.010 ppm Co (Cobalt): ≤ 0.010 ppm Cu (Copper): ≤ 0.005 ppm Eu (Europium): ≤ 0.010 ppm Fe (Iron): ≤ 0.10 ppm Hg (Mercury): ≤ 0.05 ppm La (Lanthanum): ≤ 0.010 ppm Mg (Magnesium): ≤ 0.50 ppm Mn (Manganese): ≤ 0.010 ppm Na (Sodium): ≤ 20.0 ppm Ni (Nickel): ≤ 0.010 ppm Pb (Lead): ≤ 0.005 ppm Sm (Samarium): ≤ 0.010 ppm Sr (Strontium): ≤ 0.50 ppm Tl (Thallium): ≤ 0.01 ppm Y (Yttrium): ≤ 0.010 ppm Yb (Ytterbium): ≤ 0.010 ppm Zn (Zinc): ≤ 0.005 ppm |
| Legal Information【法律信息】 | SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 100 |
| grade【等级】 | for inorganic trace analysis |
| Assay【测定】 | ≥99.5% (alkalimetric) 99.995% anhydrous basis |
| form【形式】 | solid |
| potency【效能】 | >4640 mg/kg LD50, skin (Rabbit) |
| technique(s) | HPLC: suitable |
| pH【pH值(酸碱度)】 | 4.2-4.6 (20 ℃, 20 g/L in H2O) |
| mp | 252.6 ℃ (lit.) |
| solubility【溶解性】 | 208 g/L |
| density | 2.338 g/mL at 25 ℃ (lit.) |
| bulk density【堆积密度】 | 1200 kg/m3 |
| storage temp.【储存温度】 | 2-30℃ |
| SMILES string | [K+].OP(O)([O-])=O |
| InChI | 1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1 |
| InChI key | GNSKLFRGEWLPPA-UHFFFAOYSA-M |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 1 |
