Merck, 1.00657, Silicic acid
Silicic acid, precipitated extra pure light
Catalog Number: 1.00657
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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 | 99-100.5% SiO2 basis (calculated on ignited substance, gravimetric) |
| form | solid |
| potency | >10000 mg/kg LD50, oral (Rat) |
| loss | ≤8.5% loss on ignition, 2 h, 900 °C |
| pH | 3.0-8.0 (3.3% in water) |
| 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. | no temp limit |
| Quality Level | 200 |
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