Merck, 1020670500, Calcium carbonate
Size:500 g, precipitated for analysis of silicates EMSURE®
Catalog Number: 1020670500
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Category
Pack Size500 g
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| UNSPSC Code | 12352302 |
|---|---|
| NACRES | NA.21 |
| EC Index Number | 207-439-9 |
| MDL number | MFCD00010906 |
| Beilstein/REAXYS Number | 8008338 |
| InChI | 1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 |
| SMILES string | [Ca++].[O-]C([O-])=O |
| InChI key | VTYYLEPIZMXCLO-UHFFFAOYSA-L |
| product line | EMSURE® |
| assay | ≥99.0% (complexometric) |
| form | solid |
| potency | 6450 mg/kg LD50, oral (Rat) |
| impurities | ≤0.005% Substances insoluble in hydrochloric acid |
| pH | 9.5-10.5 (20 °C, 100 g/L in H2O, slurry) |
| mp | 825 °C (decomposition) |
| solubility | 0.017 g/L |
| density | 2.93 g/mL at 25 °C (lit.) |
| bulk density | 300‑1400 kg/m3 |
| anion traces | chloride (Cl-): ≤0.02% |
| cation traces | Ba: ≤0.02% |
| storage temp. | 10-30°C |
| Quality Level | 300 |
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