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Hectorit (Tonmineral)

HECTORITE Struktur
12173-47-6
CAS-Nr.
12173-47-6
Bezeichnung:
Hectorit (Tonmineral)
Englisch Name:
HECTORITE
Synonyma:
HECTORITE;HECTORITE POWDER;hectorite(claymineral);Hectorite, Synthetic, Lipophilic;Hectorite ((Mg2.67Li0.33)Si4Na0.33F0.5-1(OH)0-0.52O10)
CBNumber:
CB0704061
Summenformel:
H2LiMgNaO12Si4-2
Molgewicht:
360.58645
MOL-Datei:
12173-47-6.mol

Hectorit (Tonmineral) Eigenschaften

Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
TSCA  Yes
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P305+P351+P338,P337+P313P
Sicherheit
P264 Nach Gebrauch gründlich waschen.
P264 Nach Gebrauch gründlich waschen.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach M?glichkeit entfernen. Weiter spülen.

Hectorit (Tonmineral) Chemische Eigenschaften,Einsatz,Produktion Methoden

Chemische Eigenschaften

Hectorite is a naturally occurring 2 : 1 phyllosilicate clay of the smectite (montmorillonite) group and is a principal component of bentonite clay. Hectorite occurs as an odorless, white to creamcolored, waxy, dull powder composed of aggregates of colloidalsized lath-shaped crystals.

Verwenden

hectorite is one of the principal constituents of bentonite clay. used as a thickener and suspending agent in water-based systems in oil-in-water emulsions.

Vorbereitung Methode

Naturally occurring hectorite is mined from weathered bentonite deposits. It is further processed to remove grit and impurities so that it is suitable for pharmaceutical and cosmetic applications.

Pharmazeutische Anwendungen

Hectorite is used widely in pharmaceutical preparations as an absorbent, emulsifier, stabilizer, suspending agent, thickener, and viscosity-controlling agent.
Hectorite is a component of other naturally occurring clays and hence may be suitable for use in similar pharmaceutical formulation applications as an adsorbent, oil-in-water emulsifying agent, suspending agent, or viscosity-increasing agent. It is also available as a synthetic material. Hectorite is used to modify the thixotropic behavior of pharmaceutical dispersions and for stabilizing oil-inwater emulsion bases. When combined with an appropriate cation, hectorite exhibits properties suitable for use as a contrast agent.

Sicherheit(Safety)

Hectorite is a natural clay mineral that is not considered acutely toxic; therefore no toxicity values have been established. However, hectorite may contain small amounts of crystalline silica in the form of quartz.
Dust can be irritating to the respiratory tract and eyes, and contact with this material may cause drying of the skin. Chronic exposure to crystalline silica may have adverse effects on the respiratory system. EU labeling states that the material is not classified as dangerous.

Lager

Hectorite is a stable material and should be stored in a cool, dry place.

Inkompatibilit?ten

Contact between hectorite and hydrofluoric acid may generate heat.

Regulatory Status

Reported in the EPA TSCA Inventory.

Hectorit (Tonmineral) Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Hectorit (Tonmineral) Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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