Trimethylborane

Base Information

• Chemical Name: Trimethylborane
• CAS No.: 593-90-8
• Molecular Formula: C3H9 B
• Molecular Weight: 55.9155
• European Community (EC) Number: 209-816-3
• DSSTox Substance ID: DTXSID90208038
• Nikkaji Number: J2.700F
• Wikipedia: Trimethylborane
• Wikidata: Q7842211
• Mol file: 593-90-8.mol

Synonyms:Trimethylborane;Trimethylboron;593-90-8;Borane, trimethyl-;EINECS 209-816-3;MFCD00058727;Trimethyl boron;Trimethylboron, elec. gr.;C3H9B;(CH3)3B;C3-H9-B;DTXSID90208038;AKOS025295508;Trimethylboron, electronic grade, >=98.35%;Q7842211

Chemical Property of Trimethylborane

Chemical Property:

• Appearance/Colour: colorless gas
• Vapor Pressure: 907mmHg at 25°C
• Melting Point: -161,5°C
• Boiling Point: 20 °C at 760 mmHg
• Flash Point: °C
• PSA: 0.00000
• Density: 0.559 g/cm³
• LogP: 1.37060
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 56.0797305
• Heavy Atom Count: 4
• Complexity: 8

Purity/Quality:

98%min ^*data from raw suppliers

TRIMETHYLBORON 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F,C
• Hazard Codes: F,C
• Statements: 11-17-34
• Safety Statements: 9-16-23-45-43-36/37/39-26-7

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Metals -> Metalloid Compounds (Boron)
• Canonical SMILES: B(C)(C)C
• Uses: Precursor to boron carbide thin films by chemical vapor deposition (CVD).1

Technology Process of Trimethylborane

There total 137 articles about Trimethylborane 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: 99.6%

(methyl)3boron*NH3 → trimethylborane (593-90-8) + ammonia (7664-41-7)

Guidance literature:

at 130.0°C, 74.1 Torr equilibrium;

DOI:10.1021/ja01231a039

Reference yield: 98.0%

methyllithium (917-54-4) + 2,4,4,5,5-pentamethyl-[1,3,2]dioxaborolane (94242-85-0) → (CH3)2BOC(CH3)2C(CH3)2OH (97782-68-8) + trimethylborane (593-90-8)

Guidance literature:

With hydrogenchloride; In diethyl ether; byproducts: LiCl; 1 equiv of MeLi slowly adding to a soln. of the boronic ester at -78°C, stirring for 3 h at the same temp., 1 equiv of anhydrous HCl in Et2O adding, warming to room temp., stirring for 15 min; the content was detd. by (11)B NMR spectrum;

DOI:10.1021/om00129a019

Reference yield: 96.0%

trimethyl-borane; compound with trimethylamine (856617-42-0) → trimethylborane (593-90-8) + trimethylamine (75-50-3)

Guidance literature:

at 111.3°C, 64.5 Torr equilibrium;

DOI:10.1021/ja01231a039

upstream raw materials:

methyl magnesium iodide

Trimethyl borate

methylene chloride

methylmagnesium bromide

Downstream raw materials:

dimethyl iodoborane

2,3,3-trimethyl-4,5-diphenyl-3,4-dihydro-2H-[1,4,2]diazaborole; compound with N-(1-dimethylboranyl-ethylidene)-aniline (1:1)

adamantane

1-methyl-adamantane

Refernces

• 1、 Iyoda,Shiihara. "". . p. 304. Retrieved 1959.
• 2、 Barnes,Wartik. "". . p. 360. Retrieved 1963.
• 3、 Long,Wallbridge. "". . p. 3513. Retrieved 1965.
• 4、 Williams, R. E.,Gerhart, F. J.. "". . p. 221. Retrieved 1970.
• 5、 Brown, H. C.. "". . p. 374 - 378. Retrieved 1945.
• 6、 Lanthier,Graham. "". . p. 569. Retrieved 1969.
• 7、 Schlesinger,Sanderson,Burg. "". . . Retrieved 1940.
• 8、 Zhu, Wei,Zhao, Juan,Wang, Lu,Teng, Yun-Lei,Dong, Bao-Xia. "Mechanochemical reactions of alkali borohydride with CO2 under ambient temperature". . p. 828 - 832. Retrieved 2019/08/07.
• 9、 Bismuto, Alessandro,Thomas, Stephen P.,Cowley, Michael J.. "Aluminum Hydride Catalyzed Hydroboration of Alkynes". supporting information. p. 15356 - 15359. Retrieved 2016/12/06.