Molybdenum(III) chloride
Molybdenum(III) chloride (CAS: 13478-18-7), with the linear formula MoCl3, is a chemical compound featuring molybdenum in the +3 oxidation state. This solid, typically supplied as a powder, is of significant interest in catalysis and inorganic chemistry. Its applications span various chemical syntheses, particularly in polymer science and materials development, serving as a key reagent in specialized research.

Catalysis and Inorganic Chemistry
Molybdenum(III) chloride is employed as a precursor or catalyst in various inorganic reactions. Its ability to participate in redox processes makes it valuable for developing novel catalytic systems.
Polymer Science
This compound is utilized in controlled radical polymerization techniques, such as Atom Transfer Radical Polymerization (ATRP). It acts as a metal salt catalyst, enabling precise control over polymer chain growth and architecture.
Chemical Synthesis
As a reagent in organic and inorganic synthesis, MoCl3 facilitates the formation of specific molybdenum-containing compounds. It is a building block for materials with unique electronic or structural properties.
Materials Science
Research in materials science utilizes Molybdenum(III) chloride for the development of advanced materials. Its incorporation can impart specific characteristics to novel compounds and composites.
| Molecular weight | 202.30 |
|---|---|
| Linear formula | MoCl3 |
| Assay | 99.95% trace metals basis |
| Form | powder |
| Density | 3.58 g/mL at 25 °C(lit.) |
| Solubility | H2O: insoluble(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Molybdenum(III) chloride used for?
+
Molybdenum(III) chloride is used in catalysis, inorganic chemistry, chemical synthesis, polymer science (especially in ATRP), and materials science.
What is the CAS number and formula for Molybdenum(III) chloride?
+
The CAS number is 13478-18-7 and the linear formula is MoCl3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Molybdenum(III) chloride with an assay of 99.95% (trace metals basis). We do not represent this product as USP, BP, EP, or other pharmacopoeial grades.
What are the safety and handling considerations for Molybdenum(III) chloride?
+
Molybdenum(III) chloride is a warning- GHS07 chemical, classified with H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Use with a dust mask (N95 type), eyeshields, and gloves in a well-ventilated area. Refer to the SDS for full details.
How is Molybdenum(III) chloride packed, shipped, and exported?
+
Molybdenum(III) chloride is carefully packed according to international shipping regulations and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for Molybdenum(III) chloride?
+
To request a quote or sample, please contact our sales department through the website or by phone, providing your specific requirements and shipping details.
▶ Related products

Benzeneruthenium(II) chloride dimer
Ru2(C6H6)2Cl4
Catalysis & Inorganic
Benzoylferrocene
C17H14FeO
Catalysis & Inorganic
Benzyldiphenylphosphine
C6H5CH2P(C6H5)2
Catalysis & Inorganic
Beryllium
Be
Catalysis & Inorganic
Beryllium oxide
BeO
Catalysis & Inorganic![Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer — chemical structure, CAS 12257-42-0; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F12257-42-0.png&w=3840&q=75)
Bicyclo[2.2.1]hepta-2,5-diene-rhodium(I) chloride dimer
Catalysis & Inorganic
![Bis[(10,11-η)-5-[(11bS)-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl- κP4]-5H-dibenz[b,f]azepine]rhodium(I) tetrafluorobo — chemical structure, CAS 1228149-03-8; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1228149-03-8.png&w=3840&q=75)
Bis[(10,11-η)-5-[(11bS)-dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl- κP4]-5H-dibenz[b,f]azepine]rhodium(I) tetrafluorobo
1-d:1′
Catalysis & Inorganic![Bis[(2-dimethylamino)phenyl]amine nickel(II) chloride (C16H20ClN3Ni) — chemical structure, CAS 1033772-47-2; Catalysis & Inorganic, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1033772-47-2.png&w=3840&q=75)
Bis[(2-dimethylamino)phenyl]amine nickel(II) chloride
C16H20ClN3Ni
Catalysis & Inorganic▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis