Silicon wafer, dia x thickness 25.4 mm x 0.5… 7440-21-3

Name: Silicon wafer, dia x thickness 25.4 mm x 0.5 mm
Brand: Vaqora Chemicals
SKU: VQ-018119

About Silicon wafer, dia x thickness 25.4 mm x 0.5 mm

Silicon wafer, dia x thickness 25.4 mm x 0.5 mm (CAS 7440-21-3) is an optical window offered by Vaqora Chemicals. Its molecular formula is Si and its molecular weight is 28.09 g/mol. Its systematic (IUPAC) name is silicon. Alternative names: Silicon substrate and single crystal.

It is supplied as a solid. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for optical windows, IR and UV optics, coated substrates and electronics and thin films. Typical end-use sectors are academic and industrial research and electronics and semiconductors.

Available in 1 pc and 10 pc packs, Silicon wafer, dia x thickness 25.4 mm x 0.5 mm is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Optical windows
IR & UV optics
Coated substrates
Electronics & thin films

Industries

Specifications & identifiers

Chemical identifiers
Product name	Silicon wafer, dia x thickness 25.4 mm x 0.5 mm
Catalogue No.	VQ-018119
CAS Number	7440-21-3
IUPAC name	silicon
Molecular formula	Si
Molecular weight	28.09 g/mol
Exact mass	27.9769
HSN code	9002
InChIKey	XUIMIQQOPSSXEZ-UHFFFAOYSA-N
SMILES	[Si]
PubChem CID	5461123

Physical properties
Physical form	Solid
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

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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

All 21 products with CAS 7440-21-3 →

Frequently asked questions

What is the CAS number of Silicon wafer, dia x thickness 25.4 mm x 0.5 mm?

The CAS Registry Number of Silicon wafer, dia x thickness 25.4 mm x 0.5 mm is 7440-21-3. It is also known as Silicon substrate, single crystal, dia 3 in.

What is the molecular formula and molecular weight of Silicon wafer, dia x thickness 25.4 mm x 0.5 mm?

Silicon wafer, dia x thickness 25.4 mm x 0.5 mm 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 wafer, dia x thickness 25.4 mm x 0.5 mm can I order?

We supply Silicon wafer, dia x thickness 25.4 mm x 0.5 mm, in 1 pc, 10 pc packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Silicon wafer, dia x thickness 25.4 mm x 0.5 mm?

Yes. Every lot of Silicon wafer, dia x thickness 25.4 mm x 0.5 mm 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 wafer, dia x thickness 25.4 mm x 0.5 mm be shipped internationally?

Yes. Silicon wafer, dia x thickness 25.4 mm x 0.5 mm 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.