Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)ytterbium

Synonym: Ytterbium(III)-DPM, Yb(TMHD)3

CAS Number 15492-52-1 | MDL Number MFCD00000034 

Yb(TMHD)3-chemical-structure

Product codeYB2521
CAS number15492-52-1
Assay (purity)99%
Metal purity99.9%-Yb
Purity methodby titration: %Yb = 23.6 – 24.3 % (complexometric)
Molecular weight722.84 g/mol
Melting point167-169 °C (333-336 °F)
Boiling point300 °C (572 °F)
Formsolid
Appearanceoff-white powder or crystals
Sensitivitymoisture
Molecular formulaYbC33H57O6
Linear formulaYb[OCC(CH3)3CHCOC(CH3)3]3
Packagingglassware/metal containers/bubblers

2,2,6,6-Tetramethyl-3,5-heptanedionate ytterbium, also referred to as Ytterbium(III)-DPM or Yb(TMHD)₃, is an organoytterbium compound with the molecular formula C₃₃H₅₇O₆Yb and a molecular weight of 722.84 g/mol. This compound features ytterbium in a +3 oxidation state, coordinated with three 2,2,6,6-tetramethyl-3,5-heptanedionate ligands, providing a stable framework that supports various deposition processes. Typically appearing as an off-white powder or crystalline solid, it has a high purity of 99%, verified by titration, and an ytterbium content between 23.3-24.5%, confirmed through complexometric analysis.

Applications in Organic and Inorganic Synthesis

2,2,6,6-Tetramethyl-3,5-heptanedionate ytterbium is widely employed in thin-film deposition techniques, such as metal-organic chemical vapor deposition (MOCVD) and atomic layer deposition (ALD), where its stability and high purity are critical for producing ytterbium-based films. This compound is particularly valuable in semiconductor and optical applications, where precise ytterbium incorporation enhances the properties of the deposited films. Its structure, featuring bulky heptanedionate ligands, allows for controlled reactivity, making it suitable for applications in material science and advanced ceramics.

Precautions for Safe Storage and Handling

Although not classified under specific hazard codes, standard laboratory precautions should be observed when handling 2,2,6,6-tetramethyl-3,5-heptanedionate ytterbium. Proper storage in a dry, cool environment, ideally in tightly sealed containers, is essential to prevent any potential degradation. Its relatively high melting point of 167-169°C and boiling point of around 300°C indicate stability under standard handling conditions. However, protective gear, including gloves and eye protection, is recommended during handling to avoid skin and eye irritation.

Industrial and Laboratory Applications

In both industrial and laboratory contexts, 2,2,6,6-Tetramethyl-3,5-heptanedionate ytterbium is integral to the production of thin films and specialized coatings, particularly in the fabrication of optical devices and electronic components. Its high-purity composition and stability facilitate precise ytterbium deposition, ensuring uniform, durable coatings that enhance performance in advanced technological applications. The compound’s ability to form stable, ytterbium-rich films supports research and development in areas requiring precise control over material composition and properties, advancing innovations in the electronics and materials science sectors.

Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)ytterbium possess the useful property of inducing large chemical shifts in the proton NMR spectra of certain compounds containing OH or other nucleophilic groups 1–8. The synthesis of this product is described in the literature. See links below

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing YB2521 contact us at sales@ereztech.com

Safety information

UNNot regulated
Hazardous classNot regulated
Packing groupNot regulated
PictogramsGHS07
Signal wordWARNING
Hazard statementsH315-H319-H335
Precautionary statementsP261-P264-P271-P280-P302 + P352-P304 + P340-P305 + P351 + P338-P312-P332 + P313-P337 + P313-P362
Transport descriptionNONH for all modes of transport
In TSCA registryYes

First Aid Measures

General adviceConsult a physician. Show this safety data sheet to the doctor in attendance. Move out of the dangerous area.
Eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contactWash off with soap and plenty of water. Consult a physician.
InhalationIf breathed in, move person into the fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowedDo NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

 

Certificates of Analysis (CoA)

If you don’t see the needed lot of Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)ytterbium below please contact customer support at sales@ereztech.com

Lot# 013/005 Lot# 019/307

External identifiers for Yb(TMHD)3

Pubchem CID11787441
IUPAC Name(Z)-5-hydroxy-2,2,6,6-tetramethylhept-4-en-3-one;ytterbium
SMILESCC(C)(C)C(=CC(=O)C(C)(C)C)O.CC(C)(C)C(=CC(=O)C(C)(C)C)O.CC(C)(C)C(=CC(=O)C(C)(C)C)O.[Yb]
InchI IdentifierInChI=1S/3C11H20O2.Yb/c3*1-10(2,3)8(12)7-9(13)11(4,5)6;/h3*7,12H,1-6H3;/b3*8-7-;
InchI KeyHIZKKNPMYSUCGY-LWTKGLMZSA-N

Known applications and external links

With Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)ytterbium other customers often ask:

Ereztech synthesizes and sells additional YB-compounds.

To purchase YB2521 contact us at sales@ereztech.com