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Cobalt(II) acetate tetrahydrate
半岛bd体育手机客户端 价格
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| 半岛bd体育手机客户端 编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4059325 | 100 G | 3150 |
半岛bd体育手机客户端 别名
6147-53-1
Cobalt(II) acetate tetrahydrate
基本信息
| Linear Formula【线性分子式】 |
(CH
3COO)
2Co · 4 H
2O
|
| Molecular weight |
249.08
|
| MDL number |
MFCD00149569
|
| EC Index Number【EC索引号】 |
200-755-8
|
| Analysis Note【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 (NO?): ≤ 0.01 % Sulfate (SO?): ≤ 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 % |
| Legal Information【法律信息】 |
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
|
半岛bd体育手机客户端 性质
| Quality Level【质量水平】 |
300
|
| grade【等级】 |
ACS reagent
|
| Assay【测定】 |
99.0-101.0% (complexometric)
|
| form【形式】 |
solid
|
| pH【pH值(酸碱度)】 |
7.2 (20 ℃, 50 g/L in H
2O)
|
| mp |
140 ℃ (Elimination of water of crystallisation)
|
| solubility【溶解性】 |
348 g/L
|
| density |
1.70 g/cm
3at 20 ℃
|
| bulk density【堆积密度】 |
850 kg/m
3
|
| anion traces【痕量阴离子】 |
chloride (Cl
-): ≤0.001%
nitrate (NO 3 -): ≤0.01% sulfate (SO 4 2-): ≤0.005% |
| cation traces【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% |
| storage temp.【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
| Pictograms【象形图】 |
GHS07,GHS08,GHS09
|
| Signal word【警示用语：】 |
Danger
|
| Hazard Statements |
H302 - H317 - H319 - H334 - H341 - H350i - H360F - H410
|
| Precautionary Statements |
P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313
|
| Hazard Classifications【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
|
| Storage Class Code【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
|
