Silicon wafer (single side polished), N-type,… 7440-21-3

Name: Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 mm
Brand: Vaqora Chemicals
SKU: VQ-018114

About Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 mm

Vaqora Chemicals supplies Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 mm, an optical window registered under CAS number 7440-21-3. Formula Si, molecular weight 28.09 g/mol. Its systematic (IUPAC) name is silicon.

The product is provided as a solid. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for optical windows, IR and UV optics, coated substrates and electronics and thin films. It is used across academic and industrial research and electronics and semiconductors.

Vaqora Chemicals supplies Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 mm in 1 pc, 10 pc and 100 pc packs, each shipped with a Certificate of Analysis (COA), and exports 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), N-type, diam. x thickness 4 in x 0.525 mm
Catalogue No.	VQ-018114
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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CAS: 7440-21-3
Formula: Si
MW: 28.09 g/mol

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Formula: Si
MW: 28.09 g/mol

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

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Formula: Si
MW: 28.09 g/mol

VQ-017374

Silicon Nanopowder, APS 30-50 nm, 98%

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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 (single side polished), N-type, diam. x thickness 4 in x 0.525 mm?

The CAS Registry Number of Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 mm is 7440-21-3.

What is the molecular formula and molecular weight of Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 mm?

Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 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), N-type, diam. x thickness 4 in x 0.525 mm can I order?

We supply Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 mm, in 1 pc, 10 pc, 100 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), N-type, diam. x thickness 4 in x 0.525 mm?

Yes. Every lot of Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 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), N-type, diam. x thickness 4 in x 0.525 mm be shipped internationally?

Yes. Silicon wafer (single side polished), N-type, diam. x thickness 4 in x 0.525 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.