产品介绍：
产品说明
分析说明
Assay (complexometric; calculated on dried substance): 98.5 - 100.5 %
Identity: passes test
Substances insoluble in acetic acid: ≤ 0.2 %
Substances insoluble in hydrochloric acid: ≤ 0.005 %
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.03 %
Heavy metals (as Pb): ≤ 0.002 %
Total nitrogen (N): ≤ 0.001 %
Al (Aluminium): ≤ 0.005 %
As (Arsenic): ≤ 0.0004 %
Ba (Barium): passes test
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.02 %
Na (Sodium): ≤ 0.2 %
Pb (Lead): ≤ 0.0005 %
Sr (Strontium): ≤ 0.1 %
Magnesium and alkali metals: ≤ 1.5 %
Particle size (d 50): about 14 µm
Loss on drying (200 °C): ≤ 1.0 %
Corresponds to 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 | CaCO3 |
| 分子量 | 100.09 |
| Beilstein | 8008338 |
| MDL编号 | MFCD00010906 |
| EC索引号 | 207-439-9 |
产品性质
| 质量水平 | 300 |
| agency | reag. Ph. Eur. |
| 测定 | 98.5-100.5% dry basis (complexometric) |
| 形式 | solid |
| 效能 | 6450 mg/kg LD50, oral (Rat) >2000 mg/kg LD50, skin (Rat) |
| pH值(酸碱度) | 9.5-10.5 (20 ℃, 100 g/L in H2O, slurry) |
| mp | 825 ℃ (decomposition) |
| 密度 | 2.93 g/mL at 25 ℃ (lit.) |
| 堆积密度 | 300‑1400 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.005% sulfate (SO42-): ≤0.03% |
| 痕量阳离子 | Al: ≤ 0.005% As: ≤ 0.0004% Ba:, passes test Cu: ≤ 0.0005% Fe: ≤ 0.001% K: ≤ 0.005% Mg: ≤ 0.02% Mg and allied cations: ≤ 1.5% N: ≤ 0.001% Na: ≤ 0.2% Pb: ≤ 0.0005% Sr: ≤ 0.1% heavy metals (as Pb): ≤ 0.002% |
| 储存温度 | 10-30℃ |
| SMILES string | [Ca++].[O-]C([O-])=O |
| InChI | 1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 |
| InChI key | VTYYLEPIZMXCLO-UHFFFAOYSA-L |
安全信息
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | nwg |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
