Diborane(4)tetramine, octamethyl-

Base Information

• Chemical Name: Diborane(4)tetramine, octamethyl-
• CAS No.: 1630-79-1
• Molecular Formula: C8H24 B2 N4
• Molecular Weight: 197.927
• Hs Code.: 2931900090
• European Community (EC) Number: 605-312-6
• NSC Number: 665722,220326
• UNII: 5EM4678PEX
• DSSTox Substance ID: DTXSID90167499
• Nikkaji Number: J188.117E
• Wikidata: Q83036887
• Mol file: 1630-79-1.mol

Synonyms:Tetrakis(dimethylamino)diboron;1630-79-1;Diborane(4)tetramine, octamethyl-;tetrakis(dimethylamino)diborane;Diborane(4), tetrakis(dimethylamino)-;N-[bis(dimethylamino)boranyl-(dimethylamino)boranyl]-N-methylmethanamine;Tetrakis(dimethylamino)diborane(4);tetrakis(dimethylamido)diboron;1,2-Tetrakis(dimethylamino)diborane(4);5EM4678PEX;MFCD00048012;NSC665722;NSC-220326;NSC-665722;Tetrakis[dimethylamino]diborane;1,1,2,2-Diborane(4)tetramine, N1,N1,N1',N1',N2,N2,N2',N2'-octamethyl-;dimethyl[tris(dimethylamino)diboran-1-yl]amine;UNII-5EM4678PEX;Tetrakis(dimethylamido)diborane;SCHEMBL1158248;DTXSID90167499;Dimethylamine, N,N',N'',N'''-diborane(4)diylidenetetrakis-;NSC220326;Tertrakis(Dimethylamino)Diboron, 96%;AKOS006228610;N1,N1,N'1,N'1,N2,N2,N'2,N'2-octamethyldiborane-1,1,2,2-tetraamine;FS-4782;NSC 220326;SY050326;B(N(C)C)(N(C)C)B(N(C)C)N(C)C;CS-0135678;FT-0601898;T3019;1,1,2,2-Tetrakis(dimethylamino)diborane(4);F20394;A810441;Dimethylamine,N',N'',N'''-diborane(4)diylidenetetrakis-;N-Methyl-N-(1,2,2-tris(dimethylamino)diboranyl)methanamine;N-Methyl-N-[1,2,2-tris(dimethylamino)diboranyl]methanamine #;1,1,2,2-Diborane(4)tetramine,n1,n1,n1',n1',n2,n2,n2',n2'-octamethyl-;N-[bis(dimethylamino)boranyl-(dimethylamino)boranyl]-N-methyl-methanamine;N-[bis(dimethylamino)boranyl-dimethylaminoboranyl]-N-methylmethanamine

Chemical Property of Diborane(4)tetramine, octamethyl-

Chemical Property:

• Vapor Pressure: 0.163mmHg at 25°C
• Melting Point: -33°C(lit.)
• Refractive Index: n20/D 1.4750(lit.)
• Boiling Point: 213.6°Cat760mmHg
• PKA: -0.25±0.70(Predicted)
• Flash Point: 83°C
• PSA: 12.96000
• Density: 0.847g/cm³
• LogP: -0.71240
• Sensitive.: moisture sensitive
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 5
• Exact Mass: 198.2187071
• Heavy Atom Count: 14
• Complexity: 127

Purity/Quality:

99%, ^*data from raw suppliers

Tetrakis(dimethylamino)diboron ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: B(B(N(C)C)N(C)C)(N(C)C)N(C)C

Technology Process of Diborane(4)tetramine, octamethyl-

There total 10 articles about Diborane(4)tetramine, octamethyl- 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: 38.0%

Tris-dimethylamino-diborbromid (92473-84-2) → tetrakis(dimethylamido)diborane (1630-79-1) + tris(dimethylamino)borane (4375-83-1) + hexakis(dimethylamino)tetraborane(6) (26459-63-2)

Guidance literature:

With NaK_2.8; In pentane; byproducts: NaBr, KBr; anhydrous and oxygen-free condns., addn. of B-compd. in pentane to alloy in pentane in such manner, that refluxing maintained for 5 h, refluxed for 3 h with stirring; filtered, pentane removed in vac., fractional distn.;

Reference yield: 23.0%

chloro-bis(dimethylamino)borane (6562-41-0) + tris(dimethylamino)monochlorodiborane(4) (7360-75-0) → tetrakis(dimethylamido)diborane (1630-79-1) + tris(dimethylamino)borane (4375-83-1) + 1,1,3,3-tetrakis(dimethylamino)-2-dimethylamino-triboran(5) (26459-62-1) + hexakis(dimethylamino)tetraborane(6) (26459-63-2) + octakis(dimethylamino)hexaborane(8) (26459-65-4)

Guidance literature:

With potassium Sodium; molar ratio 1:1; aminoboranes separated by short path distillation;

Reference yield: 5.5%

chloro-bis(dimethylamino)borane (6562-41-0) + tris(dimethylamino)monochlorodiborane(4) (7360-75-0) → tetrakis(dimethylamido)diborane (1630-79-1) + tris(dimethylamino)borane (4375-83-1) + 1,1,3,3-tetrakis(dimethylamino)-2-dimethylamino-triboran(5) (26459-62-1)

Guidance literature:

With potassium Sodium; In pentane; byproducts: KCl; stirring, reflux; sepn. of KCl, evapn. of pentane in vac., distn. at 85-88°C/<0.8 Torr, crystn. at low temp.;

upstream raw materials:

diboron tetrachloride

dimethyl amine

{(CH₃)2N}2BMn(CO)5

Tris-dimethylamino-diborbromid

Downstream raw materials:

bis(dimethylamino)(triphenylsilyl)borane

chloro(dimethylamino)phenylborane

(dimethylamino)diphenylborane

Tetrakis--diboran

Refernces

• 1、 Linti, Gerald,Loderer, Dirk,Noeth, Heinrich,Polborn, Kurt,Rattay, Wilfried. "Contribution to the Chemistry of Boron, 224 Reactions and Structure of Electron-Precise Triborane(5) and Tetraborane(6) Derivatives". . p. 1909 - 1922. Retrieved 2007/10/02.