Tris(acetonitrile)tricarbonyltungsten(0)

CAS 16800-47-8W(NCCH3)3(CO)3Catalysis & Inorganic

Tris(acetonitrile)tricarbonyltungsten(0) (CAS: 16800-47-8) is an organometallic compound with the linear formula W(NCCH3)3(CO)3 and a molecular weight of 391.03 g/mol. This tungsten carbonyl complex serves as a valuable catalyst in organic synthesis, particularly for allylic substitutions. It is also employed as a reactant in the preparation of various complex inorganic and organometallic structures, contributing to advancements in catalysis and material science.

IUPAC: Tris(acetonitrile)tungsten(0)
Synonyms: Tris(acetonitrile)tungsten(0)

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Tris(acetonitrile)tricarbonyltungsten(0) (W(NCCH3)3(CO)3) — chemical structure, CAS 16800-47-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisTungsten

01 /Applications

Catalysis of Allylic Substitutions

This tungsten complex acts as an effective catalyst for promoting allylic substitution reactions. Its unique electronic and steric properties facilitate the transformation of allylic substrates, finding use in the synthesis of complex organic molecules.

Synthesis of Disilyl-substituted Cyclopentadienes

Tris(acetonitrile)tricarbonyltungsten(0) is utilised as a reactant in the preparation of mixed disilyl-substituted cyclopentadiene derivatives. These compounds can serve as ligands in organometallic chemistry and catalysis.

Preparation of Ansa Compounds

The compound is involved in the synthesis of catalytically active ansa compounds that feature cycloalkyl moieties. These specialised complexes are important in homogeneous catalysis due to their defined structures.

Assembly of Mixed Metal Dinuclear Carbonyl Complexes

It serves as a precursor for the stepwise assembly of mixed metal dinuclear carbonyl complexes. This allows for the construction of intricate multi-metallic frameworks with potential catalytic or material applications.

Cycloaddition Reactions

This tungsten complex participates in the cycloaddition of M(CO)3-coordinated-cyanoazepine with alkynes, leading to the formation of novel heterocyclic ring systems.

02 /Properties

Molecular weight	391.03
Linear formula	W(NCCH3)3(CO)3
Application	Catalyst for allylic substitutions1Reactant for: • Mixed disilyl-substituted cyclopentadiene derivatives2• Synthesis of catalytically active ansa compounds with cycloalkyl moieties3• Stepwise assembly of mixed metal dinuclear carbonyl complexes4• Cycloaddition of M(CO)3-coordinated-cyanoazepine with alkynes5
Melting point	>300 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Toxic (GHS06) — Toxic

Danger

Hazard statements

H300Fatal if swallowed
H310Fatal in contact with skin
H330Fatal if inhaled

Precautionary statements

P260Do not breathe dust, fume, gas, mist, vapours or spray
P264Wash thoroughly after handling
P280Wear protective gloves, clothing and eye/face protection
P284Wear respiratory protection
P302IF ON SKIN
P310Immediately call a POISON CENTER or doctor

Protective equipment	Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)	UN 3466 6.1 / PGI
Water hazard class (WGK, DE)	3
Hazard codes (EU)	T+
Risk statements (R)	26/27/28
Safety statements (S)	7/9-28-36/37-45

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

04 /Identifiers & registry

CAS number

16800-47-8

MDL number

MFCD00054393

PubChem substance

24878491

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 Tris(acetonitrile)tricarbonyltungsten(0) used for?

Tris(acetonitrile)tricarbonyltungsten(0) is primarily used as a catalyst for allylic substitutions and as a reactant in the synthesis of various organometallic compounds, including mixed disilyl-substituted cyclopentadiene derivatives and ansa compounds.

What is the CAS number and formula for Tris(acetonitrile)tricarbonyltungsten(0)?

The CAS number is 16800-47-8 and its linear formula is W(NCCH3)3(CO)3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Tris(acetonitrile)tricarbonyltungsten(0) as a research-grade chemical. We do not represent this product as USP, BP, EP, or any other pharmacopoeia standard.

How should Tris(acetonitrile)tricarbonyltungsten(0) be handled?

Tris(acetonitrile)tricarbonyltungsten(0) is classified as acutely toxic if swallowed, in contact with skin, or if inhaled (H300, H310, H330). Strict adherence to safety protocols is essential, including the use of appropriate personal protective equipment such as eyeshields, face shields, gloves, and a full-face particle respirator (e.g., type N100 US, or P3 EN143).

How is Tris(acetonitrile)tricarbonyltungsten(0) packed and shipped?

This compound is shipped as a UN 3466 substance, Hazard Class 6.1, Packing Group I. TSS ensures compliant packaging and export documentation for international shipments.

How can I request a sample or quote for Tris(acetonitrile)tricarbonyltungsten(0)?

To request a sample or a formal quotation, please contact our sales department via the website or direct email, providing your specific requirements and shipping details.