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Specification

Concerning Product:
Article number 14987043MPEU
Trade name / designation / denomination Magnesiumtrisilikat, EP, USP
CAS number 14987-04-3
Other names / synonyms•Magnesium Trisilicate; •dimagnesium dioxido-bis[[oxido(oxo)silyl]oxy]silane; •dimagnesium trisilicon octaoxide;
EC number239-076-7
Molecular weight [g / mol]260.8617
FormulaMg2O8Si3


Parameter Test Method Specification Unit

Organoleptic test
Appearance white to almost white powder

Physical parameter
Acidity/Alkalinity EP HCl 0.1 M ≥ 100 ml
Acidity/Alkalinity USP HCl 0.1 N 140  –  160 ml
Bulk density ~400 g/l
Solubility practically insolouble in water or ethanol (96%)

Identity
Assay USP MgO: ≥ 20 %
Assay EP MgO: ≥ 29 %
Assay SiO2 / MgO-Ratio: 2,10  –  2,37
Assay USP SiO2: ≥ 45 %
Assay EP SiO2: ≥ 65 %
Identification complies

Impurities
Free Alkali (Ca(OH)2) EP max. 1 ml HCl 0.1 M
Free Alkali (Ca(OH)2) USP max. 1 ml HCl 0.1 N
Residue on ignition USP 17  –  34 %
Residue on ignition EP 17  –  34 %
Heavy Metals (as Pb) EP ≤ 40 ppm
Heavy Metals (as Pb) USP ≤ 30 ppm
Soluble part salts ≤ 1,5 %
Sulphates (SO4) USP ≤ 0,5 %
Sulphates (SO4) EP ≤ 0,5 %

Elemental Impurities
Arsenic (As) USP ≤ 8 ppm
Arsenic (As) EP ≤ 4 ppm
Chlorides (Cl) USP ≤ 0,055 %
Chlorides (Cl) EP ≤ 0,05 %

Microbiological data
Escherichia Coli. neg. CFU/g
Pseudomonas aeruginosa neg. CFU/g
Staphylococcus Aureus neg. CFU/g
Total Plate Count ≤ 1000 CFU/g
Yeast and Mould ≤ 100 CFU/g


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 05. May. 2022
We only confirm that we took over the data from our supplier accordingly. Despite careful working, errors in the takeover are not totally excluded. Some or all parts off the document may be translated due to our best knowledge from the original to give a better understanding. If you have any questions about specific details, please call us directly. Unless otherwise marked, these data do not originate from us and have not been tested by us on the correctness. The above information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. We make no warranties, expressed or implied, as to the information's accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of our products for its particular application. The foregoing information does not absolve the buyer of its own tests. Observing existing laws and regulations, is the responsibility of the buyer of our product. Nothing included in this information waives any of our General Terms and Conditions of Sale, which control unless it agrees other in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing our products, are available upon request and are provided in compliance with applicable law. The user should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact us.


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