| Formula / Notation | CSi |
|---|---|
| CAS Number | 409-21-2 |
| Molecular Weight | 40.096 |
| Melting Point | 4892 °F (Sublimes) (NIOSH, 2024) |
| Boiling Point | Sublimes (NIOSH, 2024) |
| Density | 3.23 (NIOSH, 2024) - Denser than water; will sink |
| Solubility | Insoluble (NIOSH, 2024) |
| Appearance | 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, K... |
| Also Known As | methanidylidynesilanylium; 409-21-2; Carborundum; Silicon monocarbide; Crystar; Carborundeum; Betarundum; Carbolon; Silundum; Tokawhisker |
| Category | Inorganic Compounds |
What is Silicon carbide?
Silicon carbide (CSi) is an inorganic compound that appears as 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, K.... It has a molecular weight of 40.096 g/mol. Its IUPAC name is methanidylidynesilanylium. Boiling point: Sublimes (NIOSH, 2024). Melting point: 4892 °F (Sublimes) (NIOSH, 2024).
Formula & Notation
IUPAC Name: methanidylidynesilanylium
Other Names / Synonyms: methanidylidynesilanylium; 409-21-2; Carborundum; Silicon monocarbide; Crystar; Carborundeum; Betarundum; Carbolon; Silundum; Tokawhisker
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 4892 °F (Sublimes) (NIOSH, 2024) |
| Boiling Point | Sublimes (NIOSH, 2024) |
| Density | 3.23 (NIOSH, 2024) - Denser than water; will sink |
| Molecular Weight | 40.096 |
| Solubility | Insoluble (NIOSH, 2024) |
| Appearance | 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, K... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Silicon carbide (CSi) is an inorganic compound that appears as 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, K.... It has a molecular weight of 40.096 g/mol. Its IUPAC name is methanidylidynesilanylium. Boiling point: Sublimes (NIOSH, 2024). Melting point: 4892 °F (Sublimes) (NIOSH, 2024).
Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.
May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.
The formula or notation for Silicon carbide is: CSi