Tris(cyclopentadienyl)lanthanum(III)

CAS 1272-23-7La(C5H5)3Catalysis & Inorganic

Tris(cyclopentadienyl)lanthanum(III), CAS 1272-23-7, is an organometallic compound with the formula La(C5H5)3 and a molecular weight of 334.19 g/mol. This solid compound, assaying 99.9% trace metals basis, is a valuable precursor in materials science and chemical synthesis. Its applications span advanced thin-film deposition techniques, particularly for creating lanthanum-containing layers in microelectronics and catalysis.

IUPAC: LaCp3

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Tris(cyclopentadienyl)lanthanum(III) (La(C5H5)3) — chemical structure, CAS 1272-23-7; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisLanthanumMaterials ScienceMicro/NanoElectronics

01 /Applications

Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD)

As a volatile organometallic precursor, Tris(cyclopentadienyl)lanthanum(III) is employed in CVD and ALD processes to deposit thin films of lanthanum oxides or lanthanum-containing materials. These films are crucial for applications in high-k dielectrics for advanced semiconductor devices and as protective or catalytic coatings.

Materials Science Research

This compound serves as a building block for novel lanthanum-based materials. Researchers utilise it to explore new catalysts, phosphors, and advanced ceramics due to the unique properties imparted by the lanthanum element.

Catalysis

Lanthanum compounds are known to exhibit catalytic activity in various organic transformations. Tris(cyclopentadienyl)lanthanum(III) can be used as a precursor to generate catalytically active lanthanum species for specific chemical reactions.

Inorganic Synthesis

The compound is a convenient source of lanthanum for the synthesis of other lanthanum complexes and inorganic materials. Its well-defined structure and reactivity make it suitable for controlled inorganic chemistry investigations.

02 /Properties

Molecular weight	334.19
Linear formula	La(C5H5)3
Assay	99.9% trace metals basis
Form	solid
Melting point	275 °C (dec.)(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Danger

Hazard statements

H228Flammable solid
H261In contact with water releases flammable gas

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking
P231Handle under inert gas
P422

Protective equipment	Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Flash point	110 °C / 230 °F
Transport (UN / ADR)	UN 3395 4.3 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F
Risk statements (R)	11-14/15
Safety statements (S)	7/8-43
Supplemental hazards	Reacts violently with water.

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

04 /Identifiers & registry

CAS number

1272-23-7

MDL number

MFCD00045467

PubChem substance

24872845

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(cyclopentadienyl)lanthanum(III) used for?

Tris(cyclopentadienyl)lanthanum(III) is primarily used as a precursor in Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) for creating thin films in microelectronics and materials science. It is also utilised in catalysis and general inorganic synthesis.

What is the CAS number and formula for Tris(cyclopentadienyl)lanthanum(III)?

The CAS number is 1272-23-7 and the chemical formula is La(C5H5)3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Tris(cyclopentadienyl)lanthanum(III) with an assay of 99.9% trace metals basis. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.

How should Tris(cyclopentadienyl)lanthanum(III) be handled safely?

Tris(cyclopentadienyl)lanthanum(III) is a flammable solid (H228) and reacts violently with water (H261, supplemental hazard). It must be handled with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a dry atmosphere. Refer to the Safety Data Sheet (SDS) for detailed instructions.

How is this chemical packed, shipped, and exported?

This chemical is typically packed and shipped as a solid, adhering to regulations for flammable solids that react with water (UN 3395 4.3/PGII). Tech Serve Solutions is experienced in global export.