1272-23-7

Basic information

• Product Name: TRIS(CYCLOPENTADIENYL)LANTHANUM
• Synonyms: TRIS(CYCLOPENTADIENYL)LANTHANUM;TRIS(CYCLOPENTADIENYL)LANTHANUM(III);(C5H5)3La;Lanthanum,tris[(1,2,3,4,5-eta)-2,4-cyclopentadien-1-yl]-;Tris(cyclopentadienyl)lanthanum (99.9% La) (REO);tris(eta5-cyclopenta-2,4-dien-1-yl)lanthanum;TRIS(CYCLOPENTADIENYL)LANTHANUM, 99.9%;Lanthanum (III) tris(cyclopentadienyl) 99,9% (C5H5)3La
• CAS NO: 1272-23-7
• Molecular Formula: C₁₅H₁₅La
• Molecular Weight: 334.19
• EINECS: 215-049-5
• Product Categories: Catalysis and Inorganic Chemistry;Chemical Synthesis;Lanthanum;LanthanumVapor Deposition Precursors;Precursors by Metal;metallocene
• Mol File: 1272-23-7.mol
• Article Data: 1

Chemical Properties

• Melting Point: 275 °C (dec.)(lit.)
• Boiling Point: 41.5 °C at 760 mmHg
• Flash Point: >230 °F
• Appearance: white to off-white/crystal
• Vapor Pressure: 418mmHg at 25°C
• Sensitive: Air & Moisture Sensitive
• CAS DataBase Reference: TRIS(CYCLOPENTADIENYL)LANTHANUM(CAS DataBase Reference)
• NIST Chemistry Reference: TRIS(CYCLOPENTADIENYL)LANTHANUM(1272-23-7)
• EPA Substance Registry System: TRIS(CYCLOPENTADIENYL)LANTHANUM(1272-23-7)

Safety Data

• Hazard Codes: F
• Statements: 11-14/15
• Safety Statements: 43-7/8
• RIDADR: UN 3395 4.3/PG 2
• WGK Germany: 3
• HazardClass: 4.1
• PackingGroup: III
• Hazardous Substances Data: 1272-23-7(Hazardous Substances Data)

Usage

Description

Tris(cyclopentadienyl)lanthanum, with the atomic number 57, is a chemical compound of lanthanum. It is characterized by its white crystalline appearance and is sensitive to air and moisture, which makes it prone to degradation when exposed to these elements.

Uses

Used in Chemical Industry:
Tris(cyclopentadienyl)lanthanum is used as a catalyst in various chemical reactions for its unique properties that facilitate the process. Its sensitivity to air and moisture can be controlled in a laboratory setting, allowing it to be an effective component in catalysis.
Used in Research and Development:
In the field of research and development, Tris(cyclopentadienyl)lanthanum serves as a valuable compound for studying the properties and reactions of lanthanum and its organometallic complexes. This helps in advancing the understanding of rare earth elements and their applications in various industries.
Used in Material Science:
Tris(cyclopentadienyl)lanthanum is utilized in material science for the development of new materials with unique properties. Its organometallic nature allows for the creation of compounds with potential applications in high-tech industries, such as electronics and renewable energy technologies.

InChI:InChI=1/3C5H5.La/c3*1-2-4-5-3-1;/h3*1-5H;/q3*-1;+3

Upstream product

• 10099-58-8 lanthanum(III) chloride 

Relevant articles and documents

On the metal coordination in base-free tris(cyclopentadienyl) complexes of the lanthanoids. 2. The x-ray structure of (C5L5)3LaIII: A notably stable polymer displaying more than three different La?C interactions

Crystalline base-free Cp3La (Cp = C5H5; monoclinic P, space group P 21; a = 8.427 (5) ?, b = 9.848 (5) ?, c = 8.456 (6) ?, β = 115.80 (6)°; Z = 2; R = 0.077) forms polymeric zig-zag chains of distinct (C5H5)2La(μ-η5:η 2-C5H5) units involving two nonequivalent terminal Cp ligands. The individual La?C distances cluster predominantly around 2.6, 2.8, 2.9, and 3.0 ? within the unexpectedly wide range 2.560-3.034 ?.