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

Supplier: Merck


M-Clarity™ quality level = MQ200

1.00657.1000 1.00657.9010
1.00657.1000EA 178 GBP
1.00657.1000 1.00657.9010
Silicic acid hydrate, extra pure, precipitated light, Supelco®
Silicic acid hydrate
Formula: H₂O₃Si
MW: 60,09 g/mol (anhy)
Storage Temperature: Ambient
MDL Number: MFCD00054122
CAS Number: 10279-57-9
EINECS: 231-545-4

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Specification Test Results

Solubility Insoluble at 20 °C
Melting Point 1710 °C
Molar Mass 60.08 g/mol
Bulk Density 60 kg/m3
Density 2 g/cm3 (20 °C)
Synonyms DAB
Hill Formula O2Si *x H2O
Chemical Formula SiO2 * x H2O
Bulk density 60 kg/m3
Storage temperature +5...+30 °C
Identity Passes test
Assay 99,0 - 100,5%
Chloride (Cl) ≤0,05%
Heavy metals (as Pb) ≤0,0025%
Fe (Iron) ≤0,03%
Particle size 0,1 mm
Loss on ignition ≤8,5% at 900 °C
Sulphate (SO4) ≤0,5%
pH value 3,0 - 8,0

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