TETRAKIS(DIMETHYLAMINO)HAFNIUM

Base Information

• Chemical Name: TETRAKIS(DIMETHYLAMINO)HAFNIUM
• CAS No.: 19962-11-9
• Molecular Formula: 4C₂H₆N*Hf
• Molecular Weight: 354.795
• Mol file: 19962-11-9.mol

Synonyms:tetrakis(dimethylamido)hafnium

Chemical Property of TETRAKIS(DIMETHYLAMINO)HAFNIUM

Chemical Property:

• Melting Point: 26-29?°C(lit.)
• Boiling Point: 85°C 0,1mm
• Flash Point: 109?°F
• Density: 1,4 g/cm3

Purity/Quality:

98%Min ^*data from raw suppliers

Tetrakis(dimethylamido)hafnium(IV) packaged for use in deposition systems ^*data from reagent suppliers

Safty Information:

• Hazard Codes: F,C
• Statements: 11-14-34
• Safety Statements: 6-26-36/37/39-43-45

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of TETRAKIS(DIMETHYLAMINO)HAFNIUM

There total 4 articles about TETRAKIS(DIMETHYLAMINO)HAFNIUM which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

lithium dimethylamide (3585-33-9) + hafnium tetrachloride (13499-05-3) → tetrakis(dimethylamido)hafnium (19962-11-9)

Guidance literature:

at 0 ℃; for 0.5h; Purification / work up;

Reference yield:

Hf(N(CH3)2)3(Si(C6H5)2C(CH3)3) + water (7732-18-5) → hafnium(IV) oxide + tetrakis(dimethylamido)hafnium (19962-11-9)

Guidance literature:

In benzene-d6; byproducts: HNMe2, HSiPh2(t)Bu; N2-atmosphere; 1 equiv. water, 4 h; not isolated, detd. by NMR spectroscopy;

DOI:10.1021/ic980821t

Reference yield:

(Me2N)3Hf-Si(SiMe3)3 + water (7732-18-5) → hafnium(IV) oxide + tetrakis(dimethylamido)hafnium (19962-11-9)

Guidance literature:

In benzene-d6; byproducts: HNMe2, HSi(SiMe3)3; N2-atmosphere; 1 equiv. water, 4 h; not isolated, detd. by NMR spectroscopy;

DOI:10.1021/ic980821t

upstream raw materials:

lithium dimethylamide

hafnium tetrachloride

water

Downstream raw materials:

(N-((6-(1H-pyrrol-2-yl)pyridin-2-yl)methyl)-2,6-diisopropylbenzeneamine^(2-))Hf(IV)(dimethylamido)₂

Refernces

• 1、 Wu, Zhongzhi,Diminnie, Jonathan B.,Xue, Ziling. "Synthesis and Characterization of Group 4 Amido Silyl Complexes Free of Anionic π-Ligands". . p. 6366 - 6372. Retrieved 2008/10/08.