Silicone carbide, 99.9999%

Name: Silicone carbide, 99.9999%
Brand: Vaqora Chemicals
SKU: VQ-018412

About Silicone carbide, 99.9999%

Vaqora Chemicals supplies Silicone carbide, an electronic material registered under CAS number 409-21-2, specified at 99.9999% purity. Formula CSi, molecular weight 40.1 g/mol. Its systematic (IUPAC) name is methanidylidynesilanylium. Common synonyms include Silicon monocarbide and Silicone carbide high purity powder.

It is supplied as green to very dark green to grey powder to solid to chunks. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include semiconductor research, electronic devices and thin films. It is used across academic and industrial research and electronics and semiconductors.

Standard pack sizes are 10 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Semiconductor research
Electronic devices
Thin films

Industries

Specifications & identifiers

Chemical identifiers
Product name	Silicone carbide, 99.9999%
Catalogue No.	VQ-018412
CAS Number	409-21-2
IUPAC name	methanidylidynesilanylium
Molecular formula	CSi
Molecular weight	40.1 g/mol
Exact mass	39.9769
Purity / assay	99.9999%
HSN code	28500020
InChIKey	HBMJWWWQQXIZIP-UHFFFAOYSA-N
SMILES	[C-]#[Si+]
PubChem CID	9863

Physical properties
Physical form	Powder
Appearance	Green to very dark green to grey powder to solid to chunks
H-bond donors / acceptors	0 / 1
TPSA	0 Å²
Synonyms	Silicon monocarbide, Silicone carbide high purity powder, Silicon carbide (SiC), Carbon silicide, Green densic, Carbofrax M, Betarundum UF, Annanox CK, Betarundum ST-S, Crystolon 37, Crystolon 39, Betarundum ultrafine

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 409-21-2

Carborandum powder 16/240 Grit

CAS: 409-21-2
Formula: CSi
MW: 40.1 g/mol

VQ-018488

Carborandum powder 240/1200 Grit

CAS: 409-21-2
Formula: CSi
MW: 40.1 g/mol

VQ-018489

Silicon carbide (4H-SiC Epitaxial Wafer) wafers, dia 101 mm, thick 0.35 mm

CAS: 409-21-2
Formula: CSi
MW: 40.1 g/mol

VQ-018294

Silicon carbide (4H-SiC) wafers, dia 100 mm, thick 1.0 mm

CAS: 409-21-2
Formula: CSi
MW: 40.1 g/mol

VQ-018295

Silicon carbide (4H-SiC) wafers, dia 100 mm, thick 1.5 mm

CAS: 409-21-2
Formula: CSi
MW: 40.1 g/mol

VQ-018296

Silicon carbide (4H-SiC) wafers, dia 76.2 mm, thick 0.35 mm

CAS: 409-21-2
Formula: CSi
MW: 40.1 g/mol

VQ-018297

Silicon carbide (amorphous) nanopowder, APS 15 nm, 99%+

CAS: 409-21-2
Formula: CSi
MW: 40.1 g/mol

VQ-017622

Silicon carbide nanopowder (β), APS 10 nm, 97%+

CAS: 409-21-2
Formula: CSi
MW: 40.1 g/mol

VQ-017623

All 21 products with CAS 409-21-2 →

Frequently asked questions

What is the CAS number of Silicone carbide, 99.9999%?

The CAS Registry Number of Silicone carbide, 99.9999% is 409-21-2. It is also known as Silicon monocarbide, Silicone carbide high purity powder, Silicon carbide (SiC).

What is the molecular formula and molecular weight of Silicone carbide, 99.9999%?

Silicone carbide, 99.9999% has the molecular formula CSi and a molecular weight of 40.1 g/mol. Its IUPAC name is methanidylidynesilanylium.

Which grade and pack sizes of Silicone carbide, 99.9999% can I order?

We supply Silicone carbide, 99.9999% in (99.9999%) grade, in 10 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Silicone carbide, 99.9999%?

Yes. Every lot of Silicone carbide, 99.9999% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Silicone carbide, 99.9999% be shipped internationally?

Yes. Silicone carbide, 99.9999% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.