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CAS 14807-96-6

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Talc, (Mg3H2(SiO3)4)

Description:
Talc, chemically represented as Mg3H2(SiO3)4, is a naturally occurring mineral primarily composed of magnesium, silicon, and oxygen. It is characterized by its soft texture, which makes it the softest mineral on the Mohs scale, with a rating of one. Talc typically appears as a white, gray, or greenish powder and has a greasy or soapy feel. It is insoluble in water and most organic solvents, making it stable under various conditions. Talc is widely used in various industries, including cosmetics, pharmaceuticals, and food, primarily as a lubricant, anti-caking agent, and filler. Its layered structure allows for excellent slip and softness, which is beneficial in applications such as talcum powder and as a filler in paper and plastics. Additionally, talc has a low thermal conductivity and is chemically inert, which contributes to its versatility. However, concerns regarding the presence of asbestos in some talc deposits have raised health and safety issues, leading to stringent regulations in its use, particularly in consumer products.
Formula:H2O3SiMg
InChI:InChI=1S/Mg.H2O3Si/c;1-4(2)3/h;1-2H
InChI key:InChIKey=YOSWCTAKRWUBQU-UHFFFAOYSA-N
SMILES:[Si](O)(O)=O.[Mg]
Synonyms:
  • 10Mo-Os
  • 1250A
  • 1250H
  • 15Moo
  • 1886L
  • 20Moos
  • 3000H
  • 3000N1
  • 5000A
  • 5000Pj
  • See more synonyms
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