Silicon Carbide (Black) (CAS 409-21-2) — formula CSi, molecular weight 40.096; category organic 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 (Black) is a carbon-based organic compound with CAS registry number 409-21-2 and molecular formula CSi (molecular weight 40.096), belonging to the organic 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 (Black) · Silicon Carbide
Category: organic chemicals
The CAS registry number of Silicon Carbide (Black) is 409-21-2.
Molecular formula CSi, molecular weight 40.096.
It is also registered under: Silicon Carbide (Black), Silicon Carbide.
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: Organic Chemicals.
Public-database records for Silicon Carbide (Black) (CAS 409-21-2), reproduced here for independent cross-checking.
| 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)
| GHS notification summary | 70.3% (740 / 1053) |
|---|
| 熔点 | 2600 °C |
|---|---|
| 熔点 | 2830 °C |
| 密度 | 3.23 |
| 密度 | 3.2 g/cm³ |
| 密度 | 3.16 @25 °C |
| 蒸气压 | 0 mmHg (approx) (NIOSH, 2024) |
| 蒸气压 | 0 mmHg (approx) |
| Ionization Potential | 9.30 eV |
| CAS Registry Number | 409-21-2 |
|---|---|
| PubChem CID | 9863 |
| 分子式 | CSi |
| IUPAC 名称 | methanidylidynesilanylium |
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
| 分子量 | 40.096 |
|---|---|
| 氢键供体数 | 0 |
| 氢键受体数 | 1 |
| 可旋转键数 | 0 |
| 精确质量 | 39.976926534 |
| 单同位素质量 | 39.976926534 |
| 拓扑极性表面积 | 0 |
| 重原子数 | 2 |
| 形式电荷 | 0 |
| 复杂度 | 10 |
Silicon Carbide (Black) · CAS 409-21-2 · CSi. 熔点: 2600 °C; 熔点: 2830 °C; 密度: 3.23.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd. · Reply within one business day.