Zhejiang Ouhua Chemical Imp. & Exp. Co., Ltd.

China Manufacturer with main products: Barite, Montmorillonite, Dimethyl Disulfide, Dioctahedral Smectite, Bentonite, Carboxymethyl Cellulose, Polyacrylamide, Xanthan Gum

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Bentonite (Pharmaceutical Grade)

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Quick Details

  • CAS No.: 1302-78-9


Product name: Bentonite (Pharmaceutical Grade)

Appearance: off white with slight yellow/pink powder.The particle size is small and uniform.

Specification: USP/BP/EP

Introduction: Bentonite is a native,colloidal,hydrated aluminum silicate.It has high content of montmorillonite and conform to the monograph of Bentonite of US pharmacopeia and European pharmacopeia

Test itmes:

Color: off-white

Water: 5.0-8.0%


Odor: None

pH: water suspension

Coarse particles: ≤0.5%

As,ppm: ≤5

Pb,ppm: ≤40

Microorganism limit: total bacteria<1000/g,mold and yeast<100/g,E.coli not detected.

Gel formation,ml: ≤2

Swelling power,ml:≥22

Solubility: Not soluble in water and can disperse in water


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