Description

Beidellite is a naturally occurring dioctahedral smectite clay mineral belonging to the montmorillonite group, recognized by the CAS registry number 12172-85-9. Its unique layered aluminosilicate structure, characterized by a high cation exchange capacity and significant surface area, makes it a versatile and valuable industrial material. This product is essential for industries requiring high-performance adsorbents, rheological modifiers, and catalyst supports, offering solutions for purification, stabilization, and chemical processing.

Application

• Catalyst & Catalyst Support: Used as a solid acid catalyst or as a support material in petroleum refining and organic synthesis due to its active surface sites.
• Adsorbent & Purification Agent: Effective for the removal of heavy metals, organic contaminants, and dyes from wastewater and industrial effluents.
• Rheology Modifier: Acts as a thickening, suspending, and gelling agent in paints, coatings, drilling muds, and personal care products.
• Nanocomposite Filler: Incorporated into polymer matrices to enhance mechanical strength, thermal stability, and barrier properties.
• Ceramics & Refractories: Serves as a plasticizer and binder in the formulation of ceramic bodies and high-temperature materials.
• Pharmaceutical & Cosmetic Excipient: Utilized as an inert carrier, disintegrant, or viscosity-increasing agent in formulations.
• Soil Amendment: Improves water retention, nutrient holding capacity, and structure in agricultural and horticultural applications.
• Foundry & Binding Agent: Used in sand binders for metal casting to provide green strength and thermal stability.

Basic Information

Product Name	Beidellite
CAS No.	12172-85-9
Molecular Formula	Typically represented as (Na,Ca0.5)0.3Al2(Si,Al)4O10(OH)2·nH2O
Molecular Weight	Variable (Complex mineral structure)
Synonyms	Beidellite Clay; Aluminium Silicate Hydroxide (Beidellite); Smectite (Beidellite); Dioctahedral Smectite; Aluminosilicate Clay; 1:1 Al-Si Layered Clay; TOT Clay Mineral; Sodium Beidellite; Calcium Beidellite
EINECS	Contact for details

Quality Control

Our Beidellite is sourced and processed under strict quality protocols to ensure batch-to-batch consistency and performance. Quality is verified through a series of tests including mineralogical identification, cation exchange capacity (CEC), surface area analysis, and impurity profiling. A Certificate of Analysis (COA) detailing specific lot parameters is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry place at room temperature (15-25°C/59-77°F) with low humidity. Keep the container sealed when not in use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Fine, off-white to pale cream powder
Identification (XRD)	Complies with Beidellite pattern
Loss on Drying	< 10.0 %
Cation Exchange Capacity (CEC)	70 - 100 meq/100g
pH (in water suspension)	6.0 - 9.0
Particle Size (< 75 µm)	> 90 %
Heavy Metals (as Pb)	< 20 ppm
Microbial Count	< 1000 CFU/g

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.