Kieselguhr USP, NF, pharma grade, purified and calcined

Supplier: PanReac AppliChem
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Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Synonyms: Siliceous earthDiatomiteInfusorial earthDiatomaceous silicaCeliteDiatomaceous earth

APPC142475.1211EA 108 GBP
APPC142475.1211
Kieselguhr USP, NF, pharma grade, purified and calcined
Kieselguhr

Siliceous Earth purified and calcined (USP-NF) pure, pharma grade. This product consists mainly of more than 85% of silica. It has been calcined and activated at high temperatures to be chemically inactive .

Formula: O₂Si
MW: 60.08 g/mol
Boiling Pt: 2230 °C
Melting Pt: 1713 °C
Storage Temperature: Ambient
CAS Number: 91053-39-3
EINECS: 293-303-4

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Specification Test Results

pH of 10% 5 - 10
Soluble Matter in H₂O Max. 0.2%
Soluble Matter in HCl Max. 2.0%
Loss on Ignition 980 °C Max. 2.0%
Loss on Drying at 105 °C Max. 0.5%
Chloride (Cl) Max. 0.01%
Non Siliceous Substances Max. 25%
Residual Solvents (Ph. Eur./USP) Passes Test
Leachable As Max. 0.001%
Leachable Pb Max. 0.001%
Leachable Fe Max. 0.04%
Heavy Metals (as Pb) Max. 0.005%
Residual Metals (according to EMEA/CHMP/SWP/4446/2000) No Metal Catalysts used

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