Saponite

Product Name

Saponite

Cat.No.

PE0381

Particle Size

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Price

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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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