Merck, 1006561000, Silicic acid
Size:1 kg, Silicic acid, precipitated extra pure heavy
Catalog Number: 1006561000
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Pack Size1 kg
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| MDL number | MFCD00011232 |
|---|---|
| UNSPSC Code | 12352308 |
| EC Index Number | 231-545-4 |
| NACRES | NB.21 |
| SMILES string | [Si](=O)=O |
| InChI | 1S/O2Si/c1-3-2 |
| InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
| assay | ≥99% SiO2 basis (calculated on ignited on substance, gravimetric) |
| form | solid |
| potency | >10000 mg/kg LD50, oral (Rat) |
| impurities | ≤1% With hydrofluoric acid non volatile matter (as sulfate, ignited basis) |
| loss | 10-20% loss on ignition, 1000 °C |
| mp | 1710 °C |
| solubility | water: insoluble at 20 °C |
| density | 2-6 g/cm3 at 20 °C |
| bulk density | 60‑600 kg/m3 |
| anion traces | chloride (Cl-): ≤0.05% |
| cation traces | Fe: ≤0.03% |
| application(s) | sample preparation |
| storage temp. | 2-30°C |
| Quality Level | 200 |
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