Tetramethylammonium bromide - AR , CAS No.64-20-0

CAS: 64-20-0 Cat. No.: T110542 Molecular Weight: 154.05 Beilstein Registry Number: 3620955 EC Number: 200-581-2 PubChem CID: 66137

GRADE & PURITY AR

Synonyms

NSC148344 | NSC-148344 | HY-Y0658 | tetramethylazanium;bromide | EINECS 200-581-2 | TMAB | SCHEMBL99504 | AKOS000121849 | J-524890 | Methanaminium,N,N-trimethyl-, bromide | STL477541 | Tetramethyl ammonium bromide | DDFYFBUWEBINLX-UHFFFAOYSA-M | UNII-6L9N

Storage

Argon charged,Room temperature

Shipped In

Normal

Overview

Tetrabutylammonium bromide is a quaternary ammonium compound that is widely used as a phase transfer catalyst. Absolute viscosities of its aqueous solutions have been measured at various temperatures (20,25 and 30°C) Various physical properties (activity coefficient up to saturation, conductance, density and solubility in water) of TMABr have been evaluated.

Tetramethylammonium bromide (TMABr) is a quaternary ammonium salt. Absolute viscosities of its aqueous solutions have been measured at various temperatures (20,25 and 30°C).Various physical properties (activity coefficient up to saturation, conductance, density and solubility in water) of TMABr have been evaluated. Its impact on the first order rate constant values for the base hydrolysis of the following Fe(II) chelates has been investigated:4 

· bis(naphthylidene alanate) (nali) 

· bis(naphthylidene phenylalanate) (nphali)

· bis(naphthylidene aspartate) (nasi) 

· (naphthylidene histidinate) (nhi) 

· bis(naphthylidenearginate) (nari)

Tetrabutylammonium bromide (TBAB) may be used in the molten state in the following processes:

· Synthesis of (2S)-5-(3-phenyl-2-phthalimidylpropanoylamino)isophthalic acid.

· Synthesis of alkyl-substituted pyrroles in the absence of catalyst and organic solvent.

· Synthesis of dithioacetals from acetals by transthioacetalisation in a solvent free environment.

· Synthesis of polyamides (PAs) by the polymerization of terephthalic acid and diisocyanates.

· Catalyze the addition of thiols to conjugated alkenes.

· Dehydrochlorination of poly(vinyl chloride).

Specifications

Synonyms

NSC148344 | NSC-148344 | HY-Y0658 | tetramethylazanium;bromide | EINECS 200-581-2 | TMAB | SCHEMBL99504 | AKOS000121849 | J-524890 | Methanaminium, N, N-trimethyl-, bromide | STL477541 | Tetramethyl ammonium bromide | DDFYFBUWEBINLX-UHFFFAOYSA-M | UNII-6L9N

Specifications & Purity

AR

Storage

Argon charged, Room temperature

Shipped In

Normal

Grade

AR

Names and Identifiers

• Pubchem Sid: 504754042
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/504754042
• Canonical Smiles: C[N+](C)(C)C.[Br-]
• IUPAC Name: tetramethylazanium;bromide
• InChIKey: DDFYFBUWEBINLX-UHFFFAOYSA-M
• INCHI: 1S/C4H12N.BrH/c1-5(2,3)4;/h1-4H3;1H/q+1;/p-1
• Isomeric SMILES: C[N+](C)(C)C.[Br-]
• WGK Germany: 3
• RTECS: BS7600000
• PubChem CID: 66137
• UN Number: 2811
• Molecular Weight: 154.05
• Beilstein: 3620955
• Reaxy-Rn: 3620955

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organic nitrogen compounds
    • Class Organonitrogen compounds
      • Subclass Quaternary ammonium salts

• Kingdom: Organic compounds
• Superclass: Organic nitrogen compounds
• Class: Organonitrogen compounds
• Subclass: Quaternary ammonium salts
• Intermediate Tree Nodes: Not available
• Direct Parent: Tetraalkylammonium salts
• Alternative Parents: Organopnictogen compounds Organic bromide salts Hydrocarbon derivatives Amines
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Tetraalkylammonium salt - Organopnictogen compound - Hydrocarbon derivative - Organic bromide salt - Organic salt - Amine - Aliphatic acyclic compound
• Description: This compound belongs to the class of organic compounds known as tetraalkylammonium salts. These are organonitrogen compounds containing a quaternary ammonium substituted with four alkyl chains.
• External Descriptors: quaternary ammonium salt - bromide salt

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Soluble in water, alcohol, chloroform and acetone.
• Sensitivity: Moisture sensitive
• Melt Point(°C): >300 °C
• Molecular Weight: 154.050 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 153.015 Da
• Monoisotopic Mass: 153.015 Da
• Topological Polar Surface Area: 0.000 Ų
• Heavy Atom Count: 6
• Formal Charge: 0
• Complexity: 19.100
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 2

XLogP3

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