产品介绍：
产品说明
分析说明
Assay (complexometric): 99.0 - 101.0 %
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water): 6.0 - 8.0
Chloride (Cl): ≤ 0.001 %
Nitrate (NO₃): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.005 %
Na (Sodium): ≤ 0.01 %
Ni (Nickel): ≤ 0.02 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.001 %
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | (CH3COO)2Co · 4 H2O |
| 分子量 | 249.08 |
| MDL编号 | MFCD00149569 |
| EC索引号 | 200-755-8 |
产品性质
| 质量水平 | 300 |
| 等级 | ACS reagent |
| 测定 | 99.0-101.0% (complexometric) |
| 形式 | solid |
| pH值(酸碱度) | 7.2 (20 ℃, 50 g/L in H2O) |
| mp | 140 ℃ (Elimination of water of crystallisation) |
| 溶解性 | 348 g/L |
| 密度 | 1.70 g/cm3 at 20 ℃ |
| 堆积密度 | 850 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.001% nitrate (NO3-): ≤0.01% sulfate (SO42-): ≤0.005% |
| 痕量阳离子 | Ca: ≤ 0.005% Cu: ≤ 0.0005% Fe: ≤ 0.001% K: ≤ 0.01% Mg: ≤ 0.005% N: ≤ 0.002% Na: ≤ 0.01% Ni: ≤ 0.02% Pb: ≤ 0.0005% Zn: ≤ 0.001% |
| 储存温度 | 2-30℃ |
| InChI | 1S/2C2H4O2.Co.4H2O/c2*1-2(3)4;;;;;/h2*1H3,(H,3,4);;4*1H2/q;;+2;;;;/p-2 |
| InChI key | ZBYYWKJVSFHYJL-UHFFFAOYSA-L |
安全信息
| 象形图 |    |
| 警示用语： | Danger |
| 危险声明 | H302 - H317 - H319 - H334 - H341 - H350i - H360F - H410 |
| 预防措施声明 | P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313 |
| 危险分类 | Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B Inhalation - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1 |
| 储存分类代码 | 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects |
| WGK | WGK 2 |
