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Silicon carbide

Catalog Number
ACM409212
Product Name
Silicon carbide
Structure
CAS
409-21-2
Description
Silicon carbide appears as yellow to green to bluish-black, iridescent crystals. Sublimes with decomposition at 2700℃. 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 Formula
SiC;SiC;CSi
Molecular Weight
40.096g/mol
Boiling Point
Sublimes (NIOSH, 2016);Sublimes;Sublimes
Melting Point
4892 °F (Sublimes) (NIOSH, 2016);2600 ℃;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
SMILES
[C-]#[Si+]
InChI
InChI=1S/CSi/c1-2
InChIKey
HBMJWWWQQXIZIP-UHFFFAOYSA-N
EC Number
206-991-8
ICSC Number
1061
RTECS Number
VW0450000
Rotatable Bond Count
0
Exact Mass
39.976927g/mol
Monoisotopic Mass
39.976927g/mol
Heavy Atom Count
2
Formal Charge
0
Complexity
10
Covalently-Bonded Unit
1
Color/Form
EXCEEDINGLY HARD, GREEN TO BLUISH-BLACK, IRIDESCENT, SHARP CRYSTALS;HEXAGONAL OR CUBIC;Yellow to green to bluish black, iridescent crystals.
H-Bond Donor
0
H-Bond Acceptor
1
Refractive Index
INDEX OF REFRACTION: 2.654; 2.697
Other Experimental Properties
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 ℃;EXCELLENT THERMAL CONDUCTIVITY; ELECTRICALLY CONDUCTIVE; RESISTS OXIDATION AT HIGHER TEMPERATURES
Vapor Pressure
0 mm Hg (approx) (NIOSH, 2016);0 mmHg (approx);0 mmHg (approx)
MeSH Entry Terms
Crystar;silicon carbide
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※ Please kindly noted that this product is for research use only.

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