| Melting point | 1400~1650℃ |
| Boiling point | 2200 °C |
| density | 0.47 g/cm3 (loose weight)(lit.) |
| storage temp. | no restrictions. |
| form | rod (1/8") |
| color | 965 |
| PH | ~7 (25℃, 10% in aq. suspension) |
| Water Solubility | insoluble |
| Merck | 14,4973 |
| Stability: | Stable. Incompatible with strong acids |
| EPA Substance Registry System | Kieselguhr (61790-53-2) |
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