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molybdenum silicide

Also known as: EINECS 235-231-8, MFCD00151535, MOLYBDENUM DISILICIDE, POWDER, <2 MICRON , 99+%, MOLYBDENUM SILICIDE: 99.5%, -325 MESH, MOSI2 A MOLYBDENUM SILICIDE GRADE A - A PRODUCT OF H.C. STARCK, MOSI2 B MOLYBDENUM SILICIDE GRADE B - A PRODUCT OF H.C. STARCK, MOSI2 C MOLYBDENUM SILICIDE GRADE C - A PRODUCT OF H.C. STARCK, Mo61%min,typically99.5%(metalsbasis), Molybdenum disiticide, Molybdenum silicide, Molybdenum silicide (99+% Mo), bis(λ<sup>2</sup>-silanylidene)molybdenum

molybdenum silicide (CAS 12136-78-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula MoSi2 and a molecular weight of 152.13100 g/mol. Key properties include a melting point of 1930ºC and a density of 6.31. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
12136-78-6
Jingsj CID
J-48647-9
Molecular Formula
MoSi2
Molecular Weight
152.13100 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point1930ºC
Density6.31
Exact Mass153.85900
Additional PropertyInsoluble in acids and aqua regia, however, it is soluble in HF and HNO{3}Soluble in nitric acid and hydrofluoric acid. Insoluble in water most acids.

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

Frequently Asked Questions

What is the CAS number of molybdenum silicide?

The CAS number of molybdenum silicide is 12136-78-6.

What are the molecular formula and molecular weight of molybdenum silicide?

molybdenum silicide has molecular formula MoSi2 and molecular weight 152.13100 g/mol.

Is molybdenum silicide hazardous?

molybdenum silicide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "molybdenum silicide (CAS 12136-78-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48647-9 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.