Silicon monoxide

CAS 10097-28-6SiOMetal & Ceramic Science

Silicon monoxide (SiO), CAS 10097-28-6, is a versatile inorganic compound with a molecular weight of 44.08 g/mol. Supplied by Tech Serve Solutions as granular coating quality material with an assay of 99.8%, SiO is primarily utilised in materials science and metal/ceramic applications. Its unique properties make it valuable for specialized surface coatings and advanced material formulations.

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Silicon monoxide (SiO) — chemical structure, CAS 10097-28-6; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceMetal and Ceramic ScienceOxidesSilicon

01 /Applications

Optical Coatings

Silicon monoxide is extensively used in the deposition of optical coatings due to its high refractive index and good transparency in the visible and near-infrared spectrum. It contributes to durable and efficient anti-reflective and reflective layers on lenses, filters, and other optical components.

Protective and Decorative Films

The compound serves as a key material for creating thin films with excellent barrier properties. These films can protect underlying substrates from corrosion, oxidation, and wear, while also providing aesthetic finishes for various products.

Semiconductor Manufacturing

In microelectronics, silicon monoxide can be employed as a dielectric layer or passivation film. Its controlled deposition and electrical properties are beneficial for insulating components and protecting sensitive semiconductor devices.

Advanced Materials Research

Researchers utilise silicon monoxide in the development of novel composite materials and advanced ceramics. Its incorporation can enhance thermal stability, mechanical strength, and other functional characteristics of new material systems.

02 /Properties

Molecular weight	44.08
Linear formula	SiO
Assay	99.8%
Grade	coating quality
Form	granular
Density	2.13 g/mL at 25 °C(lit.)
Particle size	3.5-5 mm

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

10097-28-6

05 /Additional specifications

Mfr No	Umicore Materials AG

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Silicon Monoxide used for?

Silicon monoxide (SiO) is primarily used in optical coatings, protective and decorative films, semiconductor manufacturing, and advanced materials research.

What is the CAS number and chemical formula for Silicon Monoxide?

The CAS number for Silicon Monoxide is 10097-28-6 and its chemical formula is SiO.

What grade and purity does Tech Serve Solutions supply for Silicon Monoxide?

Tech Serve Solutions supplies Silicon Monoxide in coating quality, with an assay of 99.8%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.

What are the safety and handling recommendations for Silicon Monoxide?

When handling Silicon Monoxide, it is recommended to use eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if dust is generated. The WGK is 3, indicating it is hazardous to water.