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CAS 12269-78-2

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Pyrophyllite, (AlH(SiO3)2)

Description:
Pyrophyllite, with the chemical formula AlH(SiO3)2 and CAS number 12269-78-2, is a phyllosilicate mineral primarily composed of aluminum silicate. It is characterized by its layered structure, which allows for excellent cleavage and a soft texture, making it easily workable. Pyrophyllite typically appears in shades of white, gray, or green and has a waxy to pearly luster. It is non-toxic and has a low hardness on the Mohs scale, usually around 1 to 2, which contributes to its use in various applications, including ceramics, cosmetics, and as a filler in plastics and paints. The mineral exhibits good thermal stability and is resistant to high temperatures, making it suitable for refractory materials. Additionally, pyrophyllite has a relatively low thermal conductivity and can absorb moisture, which can influence its performance in certain applications. Its unique properties make it valuable in industrial processes, particularly in the production of high-quality ceramics and as a substitute for talc in various formulations.
Formula:AlH5O3Si
InChI:InChI=1S/Al.H2O3Si/c;1-4(2)3/h;1-2H
InChI key:InChIKey=QFCPYWXJXTYSIK-UHFFFAOYSA-N
SMILES:[Si](O)(O)=O.[Al]
Synonyms:
  • 5M
  • 5M (mineral)
  • ProFylite
  • Pyran RG 140
  • Pyrophyllite
  • Pyrophyllite (AlH(SiO<sub>3</sub>)<sub>2</sub>)
  • Shokozan clay S
  • Pyrophyllite (AlH(SiO3)2) (9CI)
  • PYRAX(R) A
  • PYRAX RG 200
  • See more synonyms
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