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LC5005 Silicic acid
precipitated extra pure heavy

 

Order number Packaging Quantity Price €
AC32005 Fibre carton 1 kg 121.5
AC32005 Fibre carton 20 kg Inquire

 

Product information
Hill Formula O2Si *x H2O
Chemical formula SiO2 * x H2O
HS Code 2811 22 00
EC number 231-545-4
Molar mass 60.08 g/mol
CAS number 10279-57-9

 

Chemical and physical data
Solubility (20 °C) insoluble
Melting point 1710 °C
Molar mass 60.08 g/mol
Density 2 g/cm3 (20 °C)
Bulk density 60 kg/m3

 

Safety information
Storage class 10 – 13 Other liquids and solids
WGK NWG not water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

 

Toxicological data
LD 50 oral LD50 rat > 10000 mg/kg
LD 50 oral LD50 rabbit > 5000 mg/kg

 

Specifications
Identity passes test
Assay (gravimetric, SiO2, calc. on ignited substance) ≥ 99 %
Chloride (Cl) ≤ 0.05 %
Heavy metals (as Pb) ≤ 0.005 %
Fe (Iron) ≤ 0.03 %
With hydrofluoric acid non volatile matter (as sulfate, ignited basis) ≤ 1 %
Loss on ignition (1000 °C) 10 – 20 %
Particle size (< 0.1 mm) about 99 %
Bulk density 20 – 60 g/100ml