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CAS No.:1302-78-9

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Basic Information
CAS No.:1302-78-9
ProductName:Bentonite pharma grade
Synonyms:Bentonite
Usage:pharma
Other Information
Product name: Bentonite pharma grade
Synonyms: Bentonite clay;Purified bentonite;Montmorillonite;Bentonit(German); bentonita(Spanish);
CAS Number: 1302-78-9

Product description:
We are offering high quality pharmaceutical grade bentonite and purified bentonite.Bentonite is a natural absorbent aluminium phyllosilicate clay consisting mostly of montmorillonite.
Bentonites exhibit propertiessuch as the ability to swell, a capacity for ion exchange, and thixotropy. It is used in medicine as excipient.
Grade: USP/EP
HS Code(Tariff code):25081000
Trade terms: FOB,CFR,CIF,FCA,CPT
Supply ability: 50MT/month

Typical Properties of Physical and Chemical:
@USP32
Identification:Meets the requirement
Colour:Off white
pH, 5% Dispersion:9.0-10.0
Moisture Content, %:≤ 8.0
Arsenic, ppm:≤ 3
Lead Content, ppm:≤ 15
Al/Mg Ratio:3.5-5.5
Acid Demand:≤ 4.0
Viscosity, 5% Dispersion, cps:40-200
Microbiology:
No more than 100 cfu/g bacteria
No more than 100 cfu/g fungi & yeast
Absence of Escherichia coli

@EP7.0
Appearance: Grayish-White powder
Solubility: Meets the requirement
Identification:Meets the requirement
Alkalinity:Meets the requirement
Loss on drying,%:≤15.0
Heavy metals,ppm:≤50
Coarse particles,%:≤0.5
Swelling powder,ml/2g: ≥22.0
Sedimentation volume,ml: ≤2.0
Total aerobic microbial,cfu/g: ≤1000

Packaging and Storage:
25kg/drum or custom made packaging.
Store in a dry, cool and well ventilated area. Keep container closed. Store away from incompatibles. Follow safe warehousing practices regarding packaging,palletizing, banding, shrink wrapping and stacking.
 CAS:  1302-78-9
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Zhejiang Ouhua Chemical Imp.& Exp. Co., Ltd.
1302-78-9 China (Mainland)
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