Kaolin

Kaolin

Synonyms China Clay; Aluminum silicate hydroxide; Bolus; Hydrated aluminum silicate

CAS Number: 1332-58-7 Molecular Formula: H2Al2Si2O8·H2O Molecular Weight: 258.156 g/mol

EC Number: 310-194-1

SKU 02155144-CF
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Description

Product Description

Kaolin

Application Notes

Kaolins are used in a multiplicity of industries because of unique physical and chemical properties. Shape, particle size, color, softness, and non-abrasiveness are physical properties that are especially important. Chemical properties, such as comparatively low base exchange capacity, as well as ether chemical properties of the kaolin surface, and relative insolubility, are governing in many uses.

Usage Statement

Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.

Specifications
SKU 02155144-CF
Alternate Names China Clay; Aluminum silicate hydroxide; Bolus; Hydrated aluminum silicate
Application Notes Kaolins are used in a multiplicity of industries because of unique physical and chemical properties. Shape, particle size, color, softness, and non-abrasiveness are physical properties that are especially important. Chemical properties, such as comparatively low base exchange capacity, as well as ether chemical properties of the kaolin surface, and relative insolubility, are governing in many uses.
Base Catalog Number 155144
CAS # 1332-58-7
Density 1.8 to 2.6 (NIOSH, 2016)
EC Number 310-194-1
Format Powder
Hazard Statements H317
Insoluble Matter ≤0.01%
Molecular Formula H2Al2Si2O8·H2O
Molecular Weight 258.156 g/mol
pH The pH of untreated kaolin slurries normally ranges from 4.5 to 6.5
pKa 3.5 - 5.0 (20% in water)(Lit.)
RTECS Number GF1670500
Solubility Insoluble (NIOSH, 2016)
Usage Statement Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.
Vapor Pressure 0 mm Hg (approx) (NIOSH, 2016)