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Saponite
Product Details
cid3
142
Category
Adsorbents; Emulsifiers
Molecular Formula
(Ca0.5Na)0.3(Mg,Fe2+)3(Si,Al)4O10(OH)2·4H2O
Molecular Weight
≈480
Grade
Pharmceutical Excipients
Description
Saponite is a naturally occurring 2:1 phyllosilicate clay of the smectite (montmorillonite) group. It is a magnesium-rich hydrated aluminum silicate and is present as a component of some commercial magnesium aluminum silicate clays. It occurs in soft, amorphous masses in the cavities of certain rocks. Saponite occurs as a white to off-white, dull powder composed of fine-grained crystals of colloidal size. The material is greasy or soapy to the touch and swells on the addition of water.
Chemical Name
Saponite
CAS Number
1319-41-1
Synonyms
Afrodit; aluminum-saponite; auxite; cathkinite; ferroan saponite; griffithite; licianite; lucianite; piotine; zebedassite.
Stability and Storage Conditions
Saponite is a stable material and should be stored in a cool, dry place.
Applications
Saponite is a colloidal material present in various naturally occurring clays such as magnesium aluminum silicates and is therefore suitable for use in pharmaceutical formulation applications as an adsorbent, viscosity-increasing agent, suspending agent,or as an oil-in-water emulsifying agent. Saponite, as a component of magnesium aluminium silicates, is useful as a formulation component in semisolid cosmetic and health care products.
Safety
Saponite is a natural clay mineral that is not acutely toxic; therefore, no toxicity values have been established. However, it may contain small amounts of crystalline silica in the form of quartz. Chronic exposure to crystalline silica can have adverse effects on the respiratory system.
Incompatibilities
May generate heat in contact with hydrofluoric acid.
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Please note: Our products and services are not intended to be used directly in diagnostic or therapeutic procedures.
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