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碳酸钙
Calcium carbonate
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| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4091347 | 250 G | 650 | |||
| 4091347 | 1 KG | 1550 | |||
| 4091347 | 50 KG | 45980 |
产品别名
471-34-1
碳酸钙
Calcium carbonate
结构式
基本信息
| Linear Formula【线性分子式】 | CaCO3 |
| Molecular weight | 100.09 |
| Beilstein | 8008338 |
| MDL number | MFCD00010906 |
| EC Index Number【EC索引号】 | 207-439-9 |
| Analysis Note【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 |
| 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 |
| agency | reag. Ph. Eur. |
| Assay【测定】 | 98.5-100.5% dry basis (complexometric) |
| form【形式】 | solid |
| potency【效能】 | 6450 mg/kg LD50, oral (Rat) >2000 mg/kg LD50, skin (Rat) |
| pH【pH值(酸碱度)】 | 9.5-10.5 (20 ℃, 100 g/L in H2O, slurry) |
| mp | 825 ℃ (decomposition) |
| density | 2.93 g/mL at 25 ℃ (lit.) |
| bulk density【堆积密度】 | 300‑1400 kg/m3 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤0.005% sulfate (SO42-): ≤0.03% |
| cation traces【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% |
| storage temp.【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
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | nwg |
