Silicon rod, dia 2.5 cm, 99.9%

Name: Silicon rod, dia 2.5 cm, 99.9%
Brand: Vaqora Chemicals
SKU: VQ-016594

About Silicon rod, dia 2.5 cm, 99.9%

Vaqora Chemicals supplies Silicon rod, dia 2.5 cm, a metal wire / rod registered under CAS number 7440-21-3, specified at 99.9% purity. With the molecular formula Si, it has a molar mass of 28.09 g/mol. The IUPAC name is silicon.

The product is provided as a rod. Key physical data: a melting point of 1410 °C and a boiling point of 2355 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for electrodes and filaments, thermocouples and heating, materials research and organic synthesis. Our customers for this product work in academic and industrial research, metallurgy and mining and electronics and semiconductors.

Vaqora Chemicals supplies Silicon rod, dia 2.5 cm in 100 mm packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Electrodes & filaments
Thermocouples & heating
Materials research
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Silicon rod, dia 2.5 cm, 99.9%
Catalogue No.	VQ-016594
CAS Number	7440-21-3
IUPAC name	silicon
Molecular formula	Si
Molecular weight	28.09 g/mol
Exact mass	27.9769
Purity / assay	99.9%
HSN code	28046900
InChIKey	XUIMIQQOPSSXEZ-UHFFFAOYSA-N
SMILES	[Si]
PubChem CID	5461123

Physical properties
Physical form	Solid
Appearance	Rod
Melting point	1410 °C
Boiling point	2355 °C
Density	2.33 g/mL at 25 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²

Safety & hazard information (GHS)

Flammable

Signal word: Danger

Hazard statements

H228Flammable solid
H320Causes eye irritation

Precautionary statements: P210, P240, P241, P264 + P265, P280, P305 + P351 + P338, P337 + P317, P370 + P378

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 7440-21-3

Silicon granules 3-6 mm 99.99%

CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

VQ-016875

Silicon nanopowder, APS 130 nm, 99.5%

CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

VQ-017373

Silicon Nanopowder, APS 20-30 nm, 98%+

CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

VQ-017374

Silicon Nanopowder, APS 30-50 nm, 98%

CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

VQ-017375

Silicon Nanopowder, APS 50-70 nm, 98%

CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

VQ-017376

Silicon optical (mono crystalline) windows, 170 mm dia, 25 mm thick, 99.999%

CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

VQ-018093

Silicon optical (mono crystalline) windows, 25 mm dia, 3 mm thick, 99.999%

CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

VQ-018094

Silicon optical (mono crystalline) windows, 30 mm dia, 10 mm thick, 99.999%

CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

VQ-018095

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Frequently asked questions

What is the CAS number of Silicon rod, dia 2.5 cm, 99.9%?

The CAS Registry Number of Silicon rod, dia 2.5 cm, 99.9% is 7440-21-3.

What is the molecular formula and molecular weight of Silicon rod, dia 2.5 cm, 99.9%?

Silicon rod, dia 2.5 cm, 99.9% has the molecular formula Si and a molecular weight of 28.09 g/mol. Its IUPAC name is silicon.

Which grade and pack sizes of Silicon rod, dia 2.5 cm, 99.9% can I order?

We supply Silicon rod, dia 2.5 cm, 99.9% in (99.9%) grade, in 100 mm packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Silicon rod, dia 2.5 cm, 99.9%?

Yes. Every lot of Silicon rod, dia 2.5 cm, 99.9% 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 Silicon rod, dia 2.5 cm, 99.9% be shipped internationally?

Yes. Silicon rod, dia 2.5 cm, 99.9% 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.