产品介绍：
产品说明
联系
Replaces: SX0815-1; SX0815
分析说明
Assay (iodometric): 99.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 6.0 - 7.5
pH-value (10 %; water): 6.0 - 7.5
Chloride (Cl): ≤ 0.008 %
Sulfate and sulphite (as SO₄): ≤ 0.1 %
Sulfide (S): passes test
Heavy metals (as Pb): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.001 %
Pb (Lead): ≤ 0.0005 %
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
| 经验(实验)分子式 | Na2O3S2 · 5H2O |
| 分子量 | 248.18 |
| MDL编号 | MFCD00149186 |
| EC索引号 | 231-867-5 |
产品性质
| 质量水平 | 300 |
| 等级 | ACS reagent |
| 机构 | reag. ISO reag. Ph. Eur. |
| 测定 | 99.5-101.0% (iodometric) |
| 形式 | solid |
| 效能 | >5000 mg/kg LD50, oral (Rat) |
| pH值(酸碱度) | 6.0-7.5 (20 ℃, 100 g/L in H2O) |
| mp | 48 ℃ |
| 密度 | 1.74 g/cm3 at 20 ℃ |
| 堆积密度 | 1000 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.008% sulfate, sulfite (as SO42-): ≤0.1% sulfide (S2-): passes test |
| 痕量阳离子 | Ca: ≤ 0.002% Cu: ≤ 0.0005% Fe: ≤ 0.0005% K: ≤ 0.001% Mg: ≤ 0.001% N: ≤ 0.002% Pb: ≤ 0.0005% heavy metals (as Pb): ≤ 0.001% |
| 储存温度 | 2-30℃ |
| InChI | 1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2 |
| InChI key | PODWXQQNRWNDGD-UHFFFAOYSA-L |
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 |
