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| Catalog Number | CI-SC-0054 |
| Product Name | Kaolin |
| CAS | 1332-58-7 |
| Structure |  |
| Synonyms | Bolus, Aluminum silicate hydroxide, Hydrated aluminum silicate, Kaolin |
| Description | USP grade, pure natural mineral (anhydrous aluminum silicate) composed of kaolinite with low iron content (synonyms: china clay, nacrite, kaolinite, calcined kaolin, metakaolin). Consists of 44-46% silicon dioxide, 37-40% aluminum oxide, 0.2-0.4% magnesium oxide, 0.03-0.06% calcium oxide, 0.2-0.4% ferric oxide, and 1.5-2.0% titanium dioxide. Average particle size 1.0-1.4 micrometers. |
| Molecular Weight | 258.16 g/mol |
| Molecular Formula | ~Al2Si2O5(OH)4 |
| Purity | 99%, 99.9%, 99.99%, 99.999% |
| Density | 1.8-2.6 g/mL |
| Solubility | Water-insoluble |
| Appearance | Off-white fine powder, odorless |
| Application | Face powders, face masks, creams and lotions for oily skin, bath powders, foundation cake makeup, dry rouges, deodorants, soaps. |
| Storage | Store in a closed container at a dry place at room temperature |
| Composition | Kaolin |
| Features And Benefits | Great covering ability and anti-caking propertiesAble to absorb fats from the skinImproves the appearance of enlarged poresHelps clear up breakouts and blemished skinHas soothing properties (ideal for sensitive skin) |
| GMO | GMO-free (does not contain plant-derived components) |
| HS Code | 2507000000 |
| INCI | Kaolin |
| Manufacture | Kaolin is a hydrated aluminum silicate obtained by mining naturally occurring mineral deposits. Such deposits are purified by a dry process involving crushing, drying, pulverizing and classifying and a wet processes involving formation of a kaolin slurry followed by selective flocculation. |
| pH | 3.5-5.0 (20% in water) |
| Preservation | Preservative-free |
| Purity Grade | USP Grade |
| Raw Material Source | Kaolin-containing mineral deposits |
| Uses | Can be added to formulas as is, usual final concentration 4-20%. For external use only. |
What is the chemical formula for kaolin?
The chemical formula for kaolin is Al2O3.2SiO2.2H2O.
What is the density of kaolin?
The density of kaolin is 2.6 g/cm3.
In what form does kaolin exist?
Kaolin exists in the form of a powder.
What color is kaolin?
Kaolin has a brightness of 75-96 on the Hunter Brightness scale.
What are some of the applications of kaolin?
Kaolin is used in ceramic, paper coating, pigments, rubber, medicines, cosmetics, fertilizers, detergents, and more.
What affects the commercial price of kaolin?
The presence of iron oxides in kaolin affects its color, brightness, and refractoriness, ultimately affecting the commercial price.
How is kaolin formed?
Kaolin is formed through weathering or hydrothermal changes of feldspars and other aluminosilicates.
Where are some significant kaolin deposits found?
Significant kaolin deposits are found in the district of Karlovy Vary, Czech Republic.
What is the adsorbent capability of kaolin used for in farm animals?
Kaolin's adsorbent capability is used to prevent or ameliorate the effects of various toxic agents in the diet of farm animals.
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