PENTAKIS(DIMETHYLAMINO)TANTALUM

Base Information

• Chemical Name: PENTAKIS(DIMETHYLAMINO)TANTALUM
• CAS No.: 19824-59-0
• Molecular Formula: C10H30N5Ta
• Molecular Weight: 401.33
• Hs Code.: 2924199090
• Mol file: 19824-59-0.mol

Synonyms:Dimethylamine,tantalum(5+) salt (8CI);Methanamine, N-methyl-, tantalum(5+) salt (9CI);Tantalum, pentakis(dimethylamino)- (6CI,7CI);PDMAT;Pentakis(dimethylamino)tantalum;Tantalum pentakis(dimethylamide);Tantalum(5+)dimethylamide;Tantalum(5+) pentakis(dimethylamide);

Chemical Property of PENTAKIS(DIMETHYLAMINO)TANTALUM

Chemical Property:

• Vapor Pressure: 1520mmHg at 25°C
• Melting Point: 100 °C
• Boiling Point: 6.1 °C at 760 mmHg
• PSA: 16.20000
• LogP: 0.06150
• Sensitive.: moisture sensitive

Purity/Quality:

98%,99%, ^*data from raw suppliers

Pentakis(dimethylamino)tantalum(V), min 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F,C
• Hazard Codes: F,C
• Statements: 11-14/15-34
• Safety Statements: 16-26-36/37/39-43-45

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

Technology Process of PENTAKIS(DIMETHYLAMINO)TANTALUM

There total 7 articles about PENTAKIS(DIMETHYLAMINO)TANTALUM 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: 87.3%

tantalum pentachloride (7721-01-9) + dimethyl amine (124-40-3) → pentakis(dimethylamido)tantalum (19824-59-0)

Guidance literature:

tantalum pentachloride; dimethyl amine; In n-heptane; water; at -20 ℃; for 10h; Inert atmosphere;

With n-butyllithium; In n-heptane; water; at -20 ℃; for 22h; Temperature; Solvent; Reflux;

Reference yield: 33.0%

lithium dimethylamide (3585-33-9) + tantalum pentachloride (7721-01-9) → pentakis(dimethylamido)tantalum (19824-59-0)

Guidance literature:

In diethyl ether; N2-atmosphere; TaCl5 slow addn. (2 h), stirring (24 h), evapn. (vac.); extg. (C6H6), filtering, evapn. (vac.), sublimation (90°C, 10E-2 mm);

DOI:10.1021/om990388a

Reference yield: 10.0%

lithium dimethylamide (3585-33-9) + tantalum pentachloride (7721-01-9) → [Ta(NMe2)4(η2-MeNCH2NMe2)] (1014621-33-0) + pentakis(dimethylamido)tantalum (19824-59-0)

Guidance literature:

In hexane; byproducts: LiCl; (N2); Schlenk technique; TaCl5 was slowly added to stirred suspn. of LiNMe2 (5 equiv.) in hexane at -30°C; stirred at room temp. overnight; volatiles removed (vac.); sublimed (vac., 70°C); sublimed (vac., 90°C); crystd. (Et2O, -30°C); elem. anal.;

DOI:10.1021/om701173m

upstream raw materials:

lithium dimethylamide

tantalum pentachloride

TaCl(N(CH₃)2)4

lithium hexamethyldisilazane

Downstream raw materials:

[Ta((OC₆H₃-6-Ph-2)2CH₂)2(NMe₂)(Me₂NH)]

(Me2N)4Ta(η2-ONMe2)

(Me2N)3Ta(η2-ONMe2)2

(Me2N)4Ta2[η2-N(Me)CH2NMe2]2(μ-O)2

Refernces

• 1、 Huang, Shih-Huang,Pilvi, Tero,Wang, Xiaoping,Leskel?, Markku,Richmond, Michael G.. "New octahedral Ta(V) hydrazido-substituted compounds for atomic layer deposition: Syntheses, X-ray diffraction structures of TaCl(NMe2)3[N(TMS)NMe2] and Ta(NMe2)4[N(TMS)NMe2], and fluxional behavior of the amido and hydrazido ligands in solution". . p. 1754 - 1759. Retrieved 2010/07/04.
• 2、 Zhang, Xin-Hao,Chen, Shu-Jian,Cai, Hu,Im, Hee-Jung,Chen, Tianniu,Yu, Xianghua,Chen, Xuetai,Lin, Zhenyang,Wu, Yun-Dong,Xue, Zi-Ling. "Unexpected formation of (dimethylaminomethylene)methylamide complexes from the reactions between metal chlorides and lithium dimethylamide". . p. 1338 - 1341. Retrieved 2009/02/01.