Molybdenum disilicide

CAS 12136-78-6MoSi2Metal & Ceramic Science

Molybdenum disilicide (CAS: 12136-78-6), with the linear formula MoSi <sub>2</sub> and a molecular weight of 152.11 g/mol, is a high-performance ceramic material. It is known for its excellent high-temperature strength, oxidation resistance, and electrical conductivity. This compound is primarily utilised in demanding applications requiring robust performance under extreme thermal conditions, such as high-temperature heating elements and structural components in furnaces.

IUPAC: Molybdenum silicide

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Molybdenum disilicide (MoSi2) — chemical structure, CAS 12136-78-6; Materials Science, fine chemical supplied by Tech Serve Solutions

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01 /Applications

High-Temperature Heating Elements

Molybdenum disilicide's exceptional resistance to oxidation at elevated temperatures makes it an ideal material for heating elements in electric furnaces used in metallurgy, glass manufacturing, and advanced materials processing.

Structural Components

Its high strength and stability at extreme temperatures allow for its use in structural components subjected to severe thermal shock and corrosive environments, such as turbine blades and furnace linings.

Oxidation-Resistant Coatings

Molybdenum disilicide can be applied as a protective coating to other materials to enhance their resistance to oxidation and high-temperature degradation, extending the service life of critical components.

02 /Properties

Molecular weight	152.11
Linear formula	MoSi2
Assay	≥99% trace metals basis
Form	powder
Density	6.31 g/mL at 25 °C(lit.)
Melting point	1870-2030 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	20/21/22
Safety statements (S)	36

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

04 /Identifiers & registry

CAS number

12136-78-6

MDL number

MFCD00151535

05 /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.

06 /Frequently asked questions

What is Molybdenum disilicide used for?

Molybdenum disilicide is primarily used for high-temperature heating elements in electric furnaces, structural components requiring high-temperature strength and oxidation resistance, and as an oxidation-resistant coating.

What is the CAS number and formula for Molybdenum disilicide?

The CAS number for Molybdenum disilicide is 12136-78-6 and its linear formula is MoSi <sub>2</sub>.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Molybdenum disilicide with an assay of ≥99% trace metals basis. This product is not represented as USP, BP, or EP grade.

How should Molybdenum disilicide be handled safely?

Molybdenum disilicide is harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation.

How is Molybdenum disilicide packed, shipped, and exported?

Molybdenum disilicide is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions, adhering to all necessary shipping regulations for chemical compounds.