Talc
Talc
Talc (/tælk/; from Medieval Latin: talcum) is a clay mineral, composed of hydrated magnesium silicate with the chemical formula Mg3Si4O10(OH)2. Talc in powdered form, often combined with corn starch, is widely used as baby powder.
Etymology
The word "talc" is derived from Medieval Latin talcum, which in turn originates from Arabic: طلق (ṭalq) which means "pure". It was used in ancient times as a cosmetic and has been known to humans for thousands of years.
Uses
Talc is used in many industries, including paper making, plastic, paint and coatings, rubber, food, electric cable, pharmaceuticals, cosmetics, and ceramics. In the pharmaceutical industry, it is used as a filler in tablets and a coating for tablets. In cosmetics, it is used as a filler, to absorb moisture and as an astringent.
Related Terms
- Magnesium Silicate: A type of silicate compound containing magnesium. It is the main component of talc.
- Baby Powder: A product commonly made from talc and used to prevent diaper rash.
- Pharmaceuticals: The branch of medicine and biology concerned with the study of drug action.
- Cosmetics: Substances used to enhance the appearance or odor of the human body.
Health Concerns
There have been concerns about a possible link between talc and cancer, but many studies have found no such link. However, the International Agency for Research on Cancer classifies talc that contains asbestos as "carcinogenic to humans."
External links
- Medical encyclopedia article on Talc
- Wikipedia's article - Talc
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