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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 |
| 4059033 | 1 KG | 2070 | |||
| 4059033 | 25 KG | 41220 |
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 |
| Analysis Note【分析说明】 | Assay (alkalimetric): ≥ 99.0 % Assay (alkalimetric, calculated on dried substance): 98.0 - 100.5 % Assay (alkalimetric; dried substance): ≥ 99.5 % Identity: passes test Appearance of solution: passes test Insoluble matter: ≤ 0.01 % pH-value (5 %; water, 25 °C): 4.2 - 4.5 Chloride (Cl): ≤ 0.0005 % Sulfate (SO₄): ≤ 0.003 % Total nitrogen (N): ≤ 0.001 % Heavy metals (as Pb): ≤ 0.0010 % Heavy metals (ACS): ≤ 0.001 % As (Arsenic): ≤ 0.0002 % Fe (Iron): ≤ 0.0010 % Na (Sodium): ≤ 0.005 % Reducing substances: passes test Loss on drying (130 °C): ≤ 0.2 % Corresponds to ACS,ISO,Reag. Ph Eur |
| Legal Information【法律信息】 | EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 300 |
| grade【等级】 | ACS reagent |
| agency | reag. ISO reag. Ph. Eur. |
| Assay【测定】 | ≥99.0% dry basis (alkalimetric) 98.0-100.5% (alkalimetric) |
| form【形式】 | solid |
| potency【效能】 | >4640 mg/kg LD50, skin (Rabbit) |
| pH【pH值(酸碱度)】 | 4.2-4.6 (20 ℃, 20 g/L in H2O) |
| mp | 252.6 ℃ (lit.) |
| density | 2.338 g/mL at 25 ℃ (lit.) |
| bulk density【堆积密度】 | 1200 kg/m3 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤0.0005% sulfate (SO42-): ≤0.003% |
| cation traces【痕量阳离子】 | As: ≤ 0.0002% Fe: ≤ 0.0010% N: ≤ 0.001% Na: ≤ 0.005% heavy metals: ≤ 0.001% heavy metals (as Pb): ≤ 0.0010% |
| 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 |
