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Potassium sulfate
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4058229 | 500 G | 751 | |||
| 4058229 | 5 KG | 3520 | |||
| 4058229 | 25 KG | 20110 |
产品别名
7778-80-5
Potassium sulfate
Potassium pyrosulfate
基本信息
| Empirical Formula【经验(实验)分子式】 | K2O4S |
| Molecular weight | 174.26 |
| MDL number | MFCD00011388 |
| EC Index Number【EC索引号】 | 231-915-5 |
| Linkage【联系】 | Replaces: PX1595; PX1595-1; PX1595-5; PX1595-6; PX1595-20 |
| Analysis Note【分析说明】 | Assay (alkalimetric): ≥ 99.0 % Insoluble matter: ≤ 0.01 % pH-value (5 %; water, 25 °C): 5.5 - 7.5 Chloride (Cl): ≤ 0.0005 % Total nitrogen (N): ≤ 0.0005 % Heavy metals (as Pb): ≤ 0.0005 % As (Arsenic): ≤ 0.0002 % Ca (Calcium): ≤ 0.005 % Fe (Iron): ≤ 0.0005 % Mg (Magnesium): ≤ 0.002 % Na (Sodium): ≤ 0.02 % 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% (alkalimetric) |
| form【形式】 | solid |
| potency【效能】 | 6600 mg/kg LD50, oral (Rat) |
| pH【pH值(酸碱度)】 | 5.5-8.5 (20 ℃, 50 g/L in H2O) |
| bp | 1689 ℃/1013 hPa |
| mp | 1069 ℃ |
| density | 2.66 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 800 kg/m3 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤0.0005% |
| cation traces【痕量阳离子】 | As: ≤ 0.0002% Ca: ≤ 0.005% Fe: ≤ 0.0005% Mg: ≤ 0.002% N: ≤ 0.0005% Na: ≤ 0.02% heavy metals (as Pb): ≤ 0.0005% |
| storage temp.【储存温度】 | 2-30℃ |
| InChI | 1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2 |
| InChI key | OTYBMLCTZGSZBG-UHFFFAOYSA-L |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
