Silicic acid hydrate, extra pure, precipitated heavy, Supelco®

: Merck

Silicic acid hydrate, extra pure, precipitated heavy, Supelco®

: Merck

:10279-57-9

:63231-67-4

:SiO₂·xH₂O

:MFCD00054122

:60.09 g/mol (anhy)

:M-Clarity™ quality level = MQ200

:Ambient

:231-545-4

Solubility:
(20 °C) insoluble
Melting Point:
1710 °C
Molar Mass:
60.08 g/mol
Bulk Density:
60 kg/m3
Density:
2 g/cm3 (20 °C)
Hill Formula:
O2Si *x H2O
Chemical Formula:
SiO2 * x H2O
Storage temperature:
+5...+30 °C
Identity:
Passes test
Assay:
≥99%
Chloride (Cl):
≤0,05%
Heavy metals (as Pb):
≤0,005%
Fe (Iron):
≤0,03%
With hydrofluoric acid non volatile matter:
≤1%
Loss on ignition:
10 - 20% at 1000 °C
Particle size:
0,1 mm

msds_100656

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