产品说明
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
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | KH2PO4 |
| 分子量 | 136.09 |
| MDL编号 | MFCD00011401 |
| EC索引号 | 231-913-4 |
产品性质
| 质量水平 | 300 |
| 等级 | ACS reagent |
| 机构 | reag. ISO reag. Ph. Eur. |
| 测定 | ≥99.0% dry basis (alkalimetric) 98.0-100.5% (alkalimetric) |
| 形式 | solid |
| 效能 | >4640 mg/kg LD50, skin (Rabbit) |
| pH值(酸碱度) | 4.2-4.6 (20 ℃, 20 g/L in H2O) |
| mp | 252.6 ℃ (lit.) |
| 密度 | 2.338 g/mL at 25 ℃ (lit.) |
| 堆积密度 | 1200 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.0005% sulfate (SO42-): ≤0.003% |
| 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% |
| 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
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
SUPELCO
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