Silicon Carbide (CAS 409-21-2) — formula CSi, molecular weight 40.096; category inorganic chemicals.
| CAS Number | 409-21-2 |
|---|---|
| Molecular Formula | CSi |
| Molecular Weight | 40.096 |
| Melting Point | 2600 °C |
| Applications | Uses: Used as an abrasive and refractory material, Produced in furnaces containing petroleum coke and crystalline silica at a temperature of >2200 degrees C for 36 hours, [ACGIH], Abrasive Blasting [Category: Clean], Polishing glass, granite, smoothing bisque ware, in sharpening stones, abrasive, manufacture, of, porcelain, "emery" paper and wheels, shoe soles, refractory brick, furnace linings, antiskid pavements, in semiconductor technology., COMPONENT OF TREADS & BRAKE LININGS, COMPONENT OF HEATING ELEMENTS FOR ELECTRICAL FURNACES, FIBERS IN MATERIALS TO RESIST HIGH RE-ENTRY TEMPS & ROCKET NOZZLE COMPOSITES, COMPONENT OF THERMISTORS & VARISTORS, STRUCTURAL COMPONENTS IN NUCLEAR REACTORS, DEOXIDANT IN FERROUS METALLURGY., Abrasive for cutting and grinding metals, grinding wheels, refractory in non-ferrous metallurgy, ceramic industry and boiler furnaces, composite tubes for steam reforming operations. Fibrous form used in filament-wound structures and heat-resistant, high-strength composites., Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives, Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern, Industry Uses: Alloys, Other, Abrasives, Stabilizing agent, Hardener, Consumer Uses: Other, Semiconductor and photovoltaic agent, Not Known or Reasonably Ascertainable, Methods of Manufacturing: REACTION OF SILICA SAND AND COKE OR ANTHRACITE COAL AT HIGH TEMPERATURES., MADE BY HEATING COKE & SAND (& SALT AS FLUX) IN ELECTRIC FURNACE., U.S. Production: 2023: 5, 000, 000 - <10, 000 lb, 2022: 5, 2021: 5, 2020: 5, (1972) 1.49X10+11 GRAMS (CRUDE), (1975) 1.22X10+11 GRAMS (CRUDE), U.S. Imports: (1972) 9.7X10+10 GRAMS (CRUDE & REFINED), (1975) 7.73X10+10 GRAMS (CRUDE), U.S. Exports: (1972) 4.5X10+9 GRAMS, (1975) 5.79X10+8 GRAMS, General Manufacturing Information: Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing), Fabricated Metal Product Manufacturing, Construction, Miscellaneous Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Transportation Equipment Manufacturing, Primary Metal Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, Computer and Electronic Product Manufacturing, Silicon carbide (SiC): ACTIVE, AVAILABLE FORMS: POWDER, FILAMENT, WHISKERS (3 MILLION PSI), SINGLE CRYSTALS., LIQ WASTE OF NUCLEAR FUEL REPROCESSING CALCINED, PARTICLES OVERCOATED BY ALPHA-SILICON CARBIDE, GRAPHITE & FORMALDEHYDE-PHENOL RESIN, PRESSED, CARBONIZED & SINTERED FORMING BETA-SILICON CARBIDE MATRIX ENCLOSING WASTE. |
| Category | Inorganic Chemicals |
Documented applications: Uses: Used as an abrasive and refractory material, Produced in furnaces containing petroleum coke and crystalline silica at a temperature of >2200 degrees C for 36 hours, [ACGIH], Abrasive Blasting [Category: Clean], Polishing glass, granite, smoothing bisque ware, in sharpening stones, abrasive, manufacture, of, porcelain, "emery" paper and wheels, shoe soles, refractory brick, furnace linings, antiskid pavements, in semiconductor technology., COMPONENT OF TREADS & BRAKE LININGS, COMPONENT OF HEATING ELEMENTS FOR ELECTRICAL FURNACES, FIBERS IN MATERIALS TO RESIST HIGH RE-ENTRY TEMPS & ROCKET NOZZLE COMPOSITES, COMPONENT OF THERMISTORS & VARISTORS, STRUCTURAL COMPONENTS IN NUCLEAR REACTORS, DEOXIDANT IN FERROUS METALLURGY., Abrasive for cutting and grinding metals, grinding wheels, refractory in non-ferrous metallurgy, ceramic industry and boiler furnaces, composite tubes for steam reforming operations. Fibrous form used in filament-wound structures and heat-resistant, high-strength composites., Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives, Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern, Industry Uses: Alloys, Other, Abrasives, Stabilizing agent, Hardener, Consumer Uses: Other, Semiconductor and photovoltaic agent, Not Known or Reasonably Ascertainable, Methods of Manufacturing: REACTION OF SILICA SAND AND COKE OR ANTHRACITE COAL AT HIGH TEMPERATURES., MADE BY HEATING COKE & SAND (& SALT AS FLUX) IN ELECTRIC FURNACE., U.S. Production: 2023: 5, 000, 000 - <10, 000 lb, 2022: 5, 2021: 5, 2020: 5, (1972) 1.49X10+11 GRAMS (CRUDE), (1975) 1.22X10+11 GRAMS (CRUDE), U.S. Imports: (1972) 9.7X10+10 GRAMS (CRUDE & REFINED), (1975) 7.73X10+10 GRAMS (CRUDE), U.S. Exports: (1972) 4.5X10+9 GRAMS, (1975) 5.79X10+8 GRAMS, General Manufacturing Information: Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing), Fabricated Metal Product Manufacturing, Construction, Miscellaneous Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Transportation Equipment Manufacturing, Primary Metal Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, Computer and Electronic Product Manufacturing, Silicon carbide (SiC): ACTIVE, AVAILABLE FORMS: POWDER, FILAMENT, WHISKERS (3 MILLION PSI), SINGLE CRYSTALS., LIQ WASTE OF NUCLEAR FUEL REPROCESSING CALCINED, PARTICLES OVERCOATED BY ALPHA-SILICON CARBIDE, GRAPHITE & FORMALDEHYDE-PHENOL RESIN, PRESSED, CARBONIZED & SINTERED FORMING BETA-SILICON CARBIDE MATRIX ENCLOSING WASTE..
Silicon Carbide is an inorganic compound with CAS registry number 409-21-2 and molecular formula CSi (molecular weight 40.096), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 409-21-2
Its molecular formula CSi comprises 1 C, 1 Si atoms.
Also known as: Silicon Carbide · 碳化硅 · Silicon Carbide (Black)
Category: inorganic chemicals
The CAS registry number of Silicon Carbide is 409-21-2.
Molecular formula CSi, molecular weight 40.096.
It is also registered under: Silicon Carbide, 碳化硅, Silicon Carbide (Black).
Recorded applications: Uses: Used as an abrasive and refractory material, Produced in furnaces containing petroleum coke and crystalline silica at a temperature of >2200 degrees C for 36 hours, [ACGIH], Abrasive Blasting [Category: Clean], Polishing glass, granite, smoothing bisque ware, in sharpening stones, abrasive, manufacture, of, porcelain, "emery" paper and wheels, shoe soles, refractory brick, furnace linings, antiskid pavements, in semiconductor technology., COMPONENT OF TREADS & BRAKE LININGS, COMPONENT OF HEATING ELEMENTS FOR ELECTRICAL FURNACES, FIBERS IN MATERIALS TO RESIST HIGH RE-ENTRY TEMPS & ROCKET NOZZLE COMPOSITES, COMPONENT OF THERMISTORS & VARISTORS, STRUCTURAL COMPONENTS IN NUCLEAR REACTORS, DEOXIDANT IN FERROUS METALLURGY., Abrasive for cutting and grinding metals, grinding wheels, refractory in non-ferrous metallurgy, ceramic industry and boiler furnaces, composite tubes for steam reforming operations. Fibrous form used in filament-wound structures and heat-resistant, high-strength composites., Use Classification: EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives, Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern, Industry Uses: Alloys, Other, Abrasives, Stabilizing agent, Hardener, Consumer Uses: Other, Semiconductor and photovoltaic agent, Not Known or Reasonably Ascertainable, Methods of Manufacturing: REACTION OF SILICA SAND AND COKE OR ANTHRACITE COAL AT HIGH TEMPERATURES., MADE BY HEATING COKE & SAND (& SALT AS FLUX) IN ELECTRIC FURNACE., U.S. Production: 2023: 5, 000, 000 - <10, 000 lb, 2022: 5, 2021: 5, 2020: 5, (1972) 1.49X10+11 GRAMS (CRUDE), (1975) 1.22X10+11 GRAMS (CRUDE), U.S. Imports: (1972) 9.7X10+10 GRAMS (CRUDE & REFINED), (1975) 7.73X10+10 GRAMS (CRUDE), U.S. Exports: (1972) 4.5X10+9 GRAMS, (1975) 5.79X10+8 GRAMS, General Manufacturing Information: Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing), Fabricated Metal Product Manufacturing, Construction, Miscellaneous Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Transportation Equipment Manufacturing, Primary Metal Manufacturing, Electrical Equipment, Appliance, and Component Manufacturing, Computer and Electronic Product Manufacturing, Silicon carbide (SiC): ACTIVE, AVAILABLE FORMS: POWDER, FILAMENT, WHISKERS (3 MILLION PSI), SINGLE CRYSTALS., LIQ WASTE OF NUCLEAR FUEL REPROCESSING CALCINED, PARTICLES OVERCOATED BY ALPHA-SILICON CARBIDE, GRAPHITE & FORMALDEHYDE-PHENOL RESIN, PRESSED, CARBONIZED & SINTERED FORMING BETA-SILICON CARBIDE MATRIX ENCLOSING WASTE..
Category: Inorganic Chemicals.
Independent reference data for Silicon Carbide (CAS 409-21-2), compiled from public chemistry databases.
| CAS Registry Number | 409-21-2 |
|---|---|
| PubChem CID | 9863 |
| Molecular formula | CSi |
| IUPAC name | methanidylidynesilanylium |
| Molecular Weight | 40.096 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 39.976926534 |
| Monoisotopic Mass | 39.976926534 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 2 |
| Melting Point | 2600 °C |
|---|---|
| Melting Point | 2830 °C |
| Density | 3.23 |
| Density | 3.2 g/cm³ |
| Density | 3.16 @25 °C |
| Vapor Pressure | 0 mmHg (approx) (NIOSH, 2024) |
| Vapor Pressure | 0 mmHg (approx) |
| Ionization Potential | 9.30 eV |
SILICON CARBIDE; 409-21-2; Carborundum; Silicon monocarbide; Crystar; Betarundum; Carborundeum; Tokawhisker; Carbolon; Nicalon; Silundum; Silicon carbide (SiC); Carbon silicide; Green densic; Carbofrax M; Betarundum UF
| GHS notification summary | 70.3% (740 / 1053) |
|---|
| GHS notification summary | 70.3% (740 / 1053) |
|---|---|
| Reported hazard statements | H372 (16.1%), H225 (100%), H315 (100%), H319 (100%), H335 (100%), H336 (100%), H350, H351 |
H350i: May cause cancer by inhalation [Danger Carcinogenicity]
P203, P280, P318, P405, and P501 (click each P-code to see the statement)
Silicon Carbide (Black) · CAS 409-21-2 · CSi. Melting Point: 2600 °C; Melting Point: 2830 °C; Density: 3.23.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 碳化硅