Tetramethylammonium tetrahydroborate

Base Information

• Chemical Name: Tetramethylammonium tetrahydroborate
• CAS No.: 16883-45-7
• Molecular Formula: C4H12N^.BH4
• Molecular Weight: 88.9887
• European Community (EC) Number: 240-917-5
• DSSTox Substance ID: DTXSID70937556
• Mol file: 16883-45-7.mol

Synonyms:tetramethylammonium borohydride;TMAB cpd

Chemical Property of Tetramethylammonium tetrahydroborate

Chemical Property:

• Appearance/Colour: White to almost white solid
• Melting Point: 150 °C (dec.)
• Boiling Point: 205oC at 760mmHg
• Flash Point: 72.8oC
• PSA: 0.00000
• Density: 0.813 g/cm³
• LogP: -1.12920
• Storage Temp.: 2-8°C
• Sensitive.: Moisture Sensitive
• Water Solubility.: almost transparency in Water
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 85.1062796
• Heavy Atom Count: 6
• Complexity: 19.1

Purity/Quality:

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

Tetramethylammonium Borohydride ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F,T
• Hazard Codes: F,T,Xi
• Statements: 15-25-36/38-36/37/38
• Safety Statements: 26-36/37/39-43-45-36

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Metals -> Metalloid Compounds (Boron)
• Canonical SMILES: [B-].C[N+](C)(C)C
• Uses: Reactant for:Preparation of iridium tetrahydride complexes bearing a tridentate pincer-type bis(phosphino)silyl ligandReduction reactions (reducing agent)

Technology Process of Tetramethylammonium tetrahydroborate

There total 8 articles about Tetramethylammonium tetrahydroborate 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: 81.0%

sodium tetrahydroborate (16940-66-2) + tetramethyl ammonium hydroxide → tetramethylammonium borohydride (16883-45-7)

Guidance literature:

In water; soln. of NMe4OH added to NaBH4; mixt. dild. with water and concd. (vacuum);; solid suspended in EtOH and filtered; filter cake resuspended in EtOH and filtered; process repeated ten times; dried overnight (vacuum, 80°C); recrystn. from hot MeCN or 2-propanol;;

DOI:10.1021/ja00219a035

Reference yield: 75.0%

tetramethyl ammoniumhydroxide (75-59-2,104422-11-9,123626-97-1,154636-59-6,195460-17-4,78017-87-5,93615-68-0,129654-61-1) → tetramethylammonium borohydride (16883-45-7)

Guidance literature:

With sodium tetrahydroborate; In water;

DOI:10.1071/CH99144

Reference yield: 50.0%

sodium tetrahydroborate (16940-66-2) + tetramethlyammonium chloride (75-57-0) → tetramethylammonium borohydride (16883-45-7)

Guidance literature:

In ammonia; NH3 (liquid); at -40°C; extra pure (over 98%);

upstream raw materials:

tetramethyl ammoniumhydroxide

sodium tetrahydroborate

diborane

tetramethlyammonium chloride

Downstream raw materials:

trimethylamine-borane

tetramethylammonium triacetoxyborohydride

[(CH₃C(CH₂PPh₂)3)Rh(CO)(H)]

Refernces

• 1、 King, A. J.,Kanda, F. A.,Russell, V. A.,Katz, W.. "". . p. 4176. Retrieved 1956.
• 2、 -. "Preparation of high purity tetrahydrocarbylammonium tetrahydridoborates". . . Retrieved 2008/06/13.