Talc CAS#14807-96-6

Talc CAS#14807-96-6

Soapstone is composed primarily of talc, and has been used for most of recorded history as a carving medium; examples thousands of years old are still extant from Egyptian, Assyrian, and Chinese cultures. The term ‘talc’ was first used in AD 869 to describe minerals that were largely composed of what we now know as talc.Talc, a hydrated magnesium sulfate, is the primary component of most face powders (eye shadows and blushers). In some products, talc makes up to 70% of the formulation. Cosmetic talc should be white, free of asbestos, should have high spreadability or slip, with low coverage. Particle size is acceptable if the material passes through a 200 mesh sieve. Micronized talc is generally lighter and fluffier but less smooth on the skin than regular grades. Typically talc products are sterilized using gamma irradiation. Cosmetic talcs are mined in Italy, France, Norway, India, Spain, China, Egypt, Japan, and the United States. Talc is fairly hydrophobic, although treatments are used to enhance its texture.

Product Application of Talc CAS#14807-96-6

Talc was once widely used in oral solid dosage formulations as a lubricant and diluent, although today it is less commonly used. However, it is widely used as a dissolution retardant in the development of controlled-release products. Talc is also used as a lubricant in tablet formulations; in a novel powder coating for extended-release pellets; and as an adsorbant.
In topical preparations, talc is used as a dusting powder, although it should not be used to dust surgical gloves. Talc is a natural material; it may therefore frequently contain microorganisms and should be sterilized when used as a dusting powder.
Talc is additionally used to clarify liquids and is also used in cosmetics and food products, mainly for its lubricant properties.

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