Silicon Carbide (CAS 409-21-2) — formula CSi, molecular weight 40.096; category inorganic chemicals.
Silicon Carbide (CAS 409-21-2) is a chemical raw material in the inorganic chemicals category. Its molecular formula CSi comprises 1 C, 1 Si atoms. Its molecular weight is about 40.096. Reported physicochemical data: melting point around 2600 °C. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 409-21-2 |
|---|---|
| Molecular Formula | CSi |
| Molecular Weight | 40.096 |
| Melting Point | 2600 °C |
| Applications | abrasive and refractory material, Produced in furnaces containing petroleum coke and crystalline silica at a temperature of >2200 degrees C for 36 hours, Abrasive Blasting, Polishing glass, granite, smoothing bisque ware |
| Category | Inorganic Chemicals |
Documented applications: abrasive and refractory material, Produced in furnaces containing petroleum coke and crystalline silica at a temperature of >2200 degrees C for 36 hours, Abrasive Blasting, Polishing glass, granite, smoothing bisque ware.
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: abrasive and refractory material, Produced in furnaces containing petroleum coke and crystalline silica at a temperature of >2200 degrees C for 36 hours, Abrasive Blasting, Polishing glass, granite, smoothing bisque ware.
Category: Inorganic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
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