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CAS No 409-21-2 , methanidylidynesilanylium

  • Name: methanidylidynesilanylium
  • Synonyms: Carborundeum;Carborundum; Carbon silicide; Betarundum;methanidylidynesilanylium; Silundum; Carbolon; Tokawhisker; Nicalon; Silicon monocarbide;
  • CAS Registry Number:
  • Melting Point: 2700 ºC
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 3.22
  • Refractive index: 2.6500
  • Water Solubility: insoluble
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • Flash Point: °C
  • EINECS: 206-991-8
  • Molecular Weight: 40.0962
  • InchiKey: HBMJWWWQQXIZIP-UHFFFAOYSA-N
  • InChI: InChI=1S/CSi/c1-2
  • Risk Statements: S26;S36
  • Molecular Formula: CSi
  • Molecular Structure:CAS No:409-21-2 methanidylidynesilanylium

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References of methanidylidynesilanylium
Title: Silicon Carbide
CAS Registry Number: 409-21-2
Molecular Formula: CSi
Molecular Weight: 40.10
Percent Composition: C 29.95%, Si 70.04%
Line Formula: SiC
Literature References: Made by heating coke and sand (and salt as flux) in electric furnace.
Properties: Exceedingly hard, green to bluish-black, iridescent, sharp crystals; hardness = 9.5. d 3.23. Dielectric constant: 7.0. Electron mobility: >100 cm2/volt-sec. Hole mobility: >20 cm2/volt-sec. Band gap energy: 2.8 ev.
Density: d 3.23
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin, upper respiratory system; cough. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 278.
Use: Polishing glass, granite; smoothing bisque ware; in sharpening-stones; abrasive; manuf porcelain, "emery" paper and wheels, shoe soles, refractory brick, furnace linings; antiskid pavements; in semiconductor technology.