Silicon wafer, single crystal, dia x thicknes… 7440-21-3

Name: Silicon wafer, single crystal, dia x thickness 3 in x 0.25 mm
Brand: Vaqora Chemicals
SKU: VQ-018126

About Silicon wafer, single crystal, dia x thickness 3 in x 0.25 mm

Listed under CAS 7440-21-3, Silicon wafer, single crystal, dia x thickness 3 in x 0.25 mm is an optical window available from Vaqora Chemicals. Formula Si, molecular weight 28.09 g/mol. Its systematic (IUPAC) name is silicon. Alternative names: Silicon substrate and single crystal.

It is supplied as a crystalline 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.

Typical applications include 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.

We offer Silicon wafer, single crystal, dia x thickness 3 in x 0.25 mm in 1 pc and 10 pc packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Silicon wafer, single crystal, dia x thickness 3 in x 0.25 mm
Catalogue No.	VQ-018126
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	Crystalline
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
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MW: 28.09 g/mol

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MW: 28.09 g/mol

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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 crystal, dia x thickness 3 in x 0.25 mm?

The CAS Registry Number of Silicon wafer, single crystal, dia x thickness 3 in x 0.25 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, single crystal, dia x thickness 3 in x 0.25 mm?

Silicon wafer, single crystal, dia x thickness 3 in x 0.25 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 crystal, dia x thickness 3 in x 0.25 mm can I order?

We supply Silicon wafer, single crystal, dia x thickness 3 in x 0.25 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 crystal, dia x thickness 3 in x 0.25 mm?

Yes. Every lot of Silicon wafer, single crystal, dia x thickness 3 in x 0.25 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 crystal, dia x thickness 3 in x 0.25 mm be shipped internationally?

Yes. Silicon wafer, single crystal, dia x thickness 3 in x 0.25 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.