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

Name: Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm
Brand: Vaqora Chemicals
SKU: VQ-018128

About Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm

Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm (CAS 7440-21-3) is an optical window offered by Vaqora Chemicals. With the molecular formula Si, it has a molar mass of 28.09 g/mol. The IUPAC name is silicon. Alternative names: Silicon wafer (single side polished) and P-type.

The product is provided as a solid. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span optical windows, IR and UV optics, coated substrates and electronics and thin films. Our customers for this product work in academic and industrial research and electronics and semiconductors.

Vaqora Chemicals supplies Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm in 1 pc and 10 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 1 in. x 300-400 μm
Catalogue No.	VQ-018128
CAS Number	7440-21-3
IUPAC name	silicon
Molecular formula	Si
Molecular weight	28.09 g/mol
Exact mass	27.9769
HSN code	38180010
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
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MW: 28.09 g/mol

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MW: 28.09 g/mol

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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%

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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%

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%

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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, N-type, diam. x thickness 1 in. x 300-400 μm?

The CAS Registry Number of Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm is 7440-21-3. It is also known as Silicon wafer (single side polished), P-type, diam. x thickness 1 in. x 300-400 μm.

What is the molecular formula and molecular weight of Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm?

Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm 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 1 in. x 300-400 μm can I order?

We supply Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm, 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, N-type, diam. x thickness 1 in. x 300-400 μm?

Yes. Every lot of Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm 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 1 in. x 300-400 μm be shipped internationally?

Yes. Silicon wafer, single side polished, N-type, diam. x thickness 1 in. x 300-400 μm 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.