Silicon wafer (single side polished), diam. ×… 7440-21-3

Name: Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 mm
Brand: Vaqora Chemicals
SKU: VQ-018109

About Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 mm

Vaqora Chemicals supplies Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 mm, an optical window registered under CAS number 7440-21-3. The compound has the formula Si, corresponding to a molecular weight of 28.09 g/mol. The IUPAC name is silicon. Alternative names: Silicon substrate and single crystal.

The product is provided as a solid. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Typical applications include 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.

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

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 mm
Catalogue No.	VQ-018109
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

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VQ-017375

Silicon Nanopowder, APS 50-70 nm, 98%

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Formula: Si
MW: 28.09 g/mol

VQ-017376

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

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Formula: Si
MW: 28.09 g/mol

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

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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

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Frequently asked questions

What is the CAS number of Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 mm?

The CAS Registry Number of Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 mm is 7440-21-3. It is also known as Silicon substrate, single crystal, diam. × thickness in. 50.8 mm × 0.3 mm.

What is the molecular formula and molecular weight of Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 mm?

Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 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 (single side polished), diam. × thickness 50.8 mm × 0.3 mm can I order?

We supply Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 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 (single side polished), diam. × thickness 50.8 mm × 0.3 mm?

Yes. Every lot of Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 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 (single side polished), diam. × thickness 50.8 mm × 0.3 mm be shipped internationally?

Yes. Silicon wafer (single side polished), diam. × thickness 50.8 mm × 0.3 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.