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Silicon_carbide
is

Silicon_carbide

As of April 17, 2026

133 years old
approximately!

Date of Birth

(1893 ) is

Snake
Year

* Calculated from Wikipedia data.
Accuracy is not guaranteed.

approx.Cosmic Age Calculator

Moon

approx. 1783.1 years old

Mercury

approx. 553.8 years old

Venus

approx. 216.8 years old

Mars

approx. 70.9 years old

Jupiter

approx. 11.2 years old

Saturn

approx. 4.5 years old

* Calculated based on each planet's orbital period.

Silicon carbide
Sample of silicon carbide as a boule
Sample of silicon carbide as a boule
A laboratory-grown synthetic SiC monocrystal
Names
IUPAC name
Methanidylidynesilanylium
Preferred IUPAC name
Silicon carbide
Other names
Carborundum
Moissanite
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.006.357 Edit this at Wikidata
EC Number
  • 206-991-8
13642
MeSH Silicon+carbide
RTECS number
  • VW0450000
UNII
  • InChI=1S/CSi/c1-2
    Key: HBMJWWWQQXIZIP-UHFFFAOYSA-N
  • Key: HBMJWWWQQXIZIP-UHFFFAOYAF
  • InChI=1/CSi/c1-2
  • [C-]#[Si+]
Properties
SiC
Molar mass 40.096 g/mol
Appearance Yellow to green to bluish-black, iridescent crystals
Density 3.16 g⋅cm (hex.)
Melting point 2,830 °C (5,130 °F; 3,100 K) (decomposes)
Solubility Insoluble in water, soluble in molten alkalis and molten iron
Electron mobility ~900 cm/(V⋅s) (all polytypes)
−12.8 × 10 cm/mol
2.55 (infrared; all polytypes)
Hazards
GHS labelling:fibres
GHS08: Health hazard
Danger
H350i
P201, P202, P260, P264, P270, P271, P280, P281, P302+P352, P304+P340, P305+P351+P338, P308+P313, P312, P314, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
0
0
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 15 mg/m (total) TWA 5 mg/m (resp)
REL (Recommended)
 TWA 10 mg/m (total) TWA 5 mg/m (resp)
IDLH (Immediate danger)
 N.D.
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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