Catalog Number
ACMA00014376
Product Name
Silicon carbide
Description
Silicon carbide appears as yellow to green to bluish-black, iridescent crystals. Sublimes with decomposition at 2700°C. Density 3.21 g cm-3. Insoluble in water. Soluble in molten alkalis (NaOH, KOH) and molten iron.;DryPowder; DryPowder, PelletsLargeCrystals; DryPowder, WetSolid; OtherSolid; PelletsLargeCrystals;YELLOW-TO-GREEN-TO-BLUE-TO-BLACK CRYSTALS, DEPENDING ON PURITY.;Yellow to green to bluish-black, iridescent crystals.;Yellow to green to bluish-black, iridescent crystals.
IUPAC Name
methanidylidynesilanylium
Molecular Weight
40.096g/mol
Canonical SMILES
[C-]#[Si+]
InChI Key
HBMJWWWQQXIZIP-UHFFFAOYSA-N
Boiling Point
Sublimes (NIOSH, 2016);Sublimes;Sublimes
Melting Point
4892 °F (Sublimes) (NIOSH, 2016);2600 °C;4892°F (sublimes);4892°F (Sublimes)
Density
3.23 (NIOSH, 2016);3.23;3.2 g/cm³;3.23;3.23
Solubility
Insoluble (NIOSH, 2016);INSOL IN COLD WATER, HOT WATER, & ACID; SOL IN FUSED POTASSIUM HYDROXIDE;INSOL IN ALCOHOL; SOL IN MOLTEN IRON;Solubility in water: none;Insoluble
Color/Form
EXCEEDINGLY HARD, GREEN TO BLUISH-BLACK, IRIDESCENT, SHARP CRYSTALS;HEXAGONAL OR CUBIC;Yellow to green to bluish black, iridescent crystals.
Compound Is Canonicalized
Yes
Covalently-Bonded Unit Count
1
Defined Atom Stereocenter Count
0
Defined Bond Stereocenter Count
0
Deprecated CAS
12504-67-5, 145583-77-3, 146915-55-1, 148031-02-1, 152024-73-2, 154643-50-2, 156131-38-3, 160073-05-2, 167972-08-9, 215780-01-1, 37231-85-9, 54500-13-9, 63686-94-2, 66039-27-8, 76647-55-7, 78544-49-7, 84149-55-3, 86755-24-0, 92843-12-4, 259092-53-0, 288149-69-9, 95918-00-6, 1192824-22-8, 1356922-63-8, 1402835-26-0, 1454308-15-6, 1894216-33-1, 1962125-53-6, 577973-56-9, 2242727-07-5, 2245272-65-3
Exact Mass
39.976926534g/mol
Hydrogen Bond Acceptor Count
1
Hydrogen Bond Donor Count
0
Ionization Potential
9.30 eV;9.30 eV
MeSH Entry Terms
Crystar;silicon carbide
Monoisotopic Mass
39.976926534g/mol
Other Experimental
DIELECTRIC CONSTANT: 7.0; HARDNESS: 9.5; ELECTRON MOBILITY: GREATER THAN 100 SQ CM/VOLT-SEC; HOLE MOBILITY: GREATER THAN 20 SQ CM/VOLT-SEC; BAND GAP ENERGY: 2.8 ELECTRON-VOLTS;SUBLIMES WITH DECOMPOSITION AT 2700 °C;EXCELLENT THERMAL CONDUCTIVITY; ELECTRICALLY CONDUCTIVE; RESISTS OXIDATION AT HIGHER TEMPERATURES
Refractive Index
INDEX OF REFRACTION: 2.654; 2.697
Topological Polar Surface Area
0Ų
Undefined Atom Stereocenter Count
0
Undefined Bond Stereocenter Count
0
Vapor Pressure
0 mm Hg (approx) (NIOSH, 2016);0 mmHg (approx);0 mmHg (approx)
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