Heavy Kaolin Ep

Chemical Name: Kaolinite (Hydrated Aluminum Silicate)
CAS Number: 1332-58-7
Molecular Formula: AlSiO(OH)
Appearance: White to off-white powder, free from visible foreign matter.
Odor: Odorless.
Solubility: Insoluble in water and alcohol.
pH: Typically between 5.0 - 7.0 in a 5% aqueous suspension.
Loss on Drying: Typically around 10% - 14% (depending on the specific grade and processing).
Ash Content: Typically less than 10%.
Identification: Confirmed through infrared spectroscopy or X-ray diffraction showing the presence of kaolinite.
Key Characteristics:
Purity: Must be at least 90% Kaolinite.
Microbial Limits: Free from harmful levels of microbial contamination, including Salmonella and E. coli.
Heavy Metals: Must meet limits specified by the European Pharmacopoeia (typically less than 10 ppm for lead (Pb) and 2 ppm for arsenic (As)).
Applications:
Pharmaceutical Uses: As an antidiarrheal agent, suspending agent, and in topical treatments.
Industrial Uses: In ceramics, paint, and paper manufacturing for its thickening and filler properties.
Storage:
Store in a clean, dry container to prevent contamination from moisture or foreign substances.
This specification ensures that the Heavy Kaolin EP meets the standards required for pharmaceutical and industrial applications, ensuring safety and quality.