Silicon window, (190mm x 70 mm) 25 mm Thickne… 7440-21-3

Name: Silicon window, (190mm x 70 mm) 25 mm Thickness
Brand: Vaqora Chemicals
SKU: VQ-018132

About Silicon window, (190mm x 70 mm) 25 mm Thickness

Silicon window, (190mm x 70 mm) 25 mm Thickness is an optical window carrying the CAS registry number 7440-21-3. The compound has the formula Si, corresponding to a molecular weight of 28.09 g/mol. Systematically, it is named silicon. Alternative names: Silicon Substrate and Silicon Wafer.

It is supplied as a solid. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span 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.

We offer Silicon window, (190mm x 70 mm) 25 mm Thickness in 25 g, 100 g and 500 g 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 window, (190mm x 70 mm) 25 mm Thickness
Catalogue No.	VQ-018132
CAS Number	7440-21-3
IUPAC name	silicon
Molecular formula	Si
Molecular weight	28.09 g/mol
Exact mass	27.9769
HSN code	28046900
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

VQ-016875

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 window, (190mm x 70 mm) 25 mm Thickness?

The CAS Registry Number of Silicon window, (190mm x 70 mm) 25 mm Thickness is 7440-21-3. It is also known as Silicon Substrate, Silicon Wafer.

What is the molecular formula and molecular weight of Silicon window, (190mm x 70 mm) 25 mm Thickness?

Silicon window, (190mm x 70 mm) 25 mm Thickness 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 window, (190mm x 70 mm) 25 mm Thickness can I order?

We supply Silicon window, (190mm x 70 mm) 25 mm Thickness, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Silicon window, (190mm x 70 mm) 25 mm Thickness?

Yes. Every lot of Silicon window, (190mm x 70 mm) 25 mm Thickness 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 window, (190mm x 70 mm) 25 mm Thickness be shipped internationally?

Yes. Silicon window, (190mm x 70 mm) 25 mm Thickness 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.