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Tetrabutylammonium bromide (TBAB)

Tetrabutylammonium bromide (TBAB)

CAS Number: 1643-19-2

Molecular Formula: C16H36N.Br

Purity: 99.5% Tetrabutylammonium bromide (TBAB)

About Tetrabutylammonium bromide (TBAB)

Tetra-n-butylammonium bromide (CAS 1643-19-2, C₁₆H₃₆BrN, MW 322.37 g/mol) is the most widely used phase transfer catalyst in organic synthesis, shuttling anions between aqueous and organic phases to drive nucleophilic substitution, alkylation, and etherification reactions without relying on expensive aprotic solvents l...

Synonyms

  • Tetrabutylammonium
  • Ammonium, tetrabutyl-
  • Actiron 43-65
  • Mastermix MB 4988
  • Metoprolol Impurity 28
View all

Tetrabutylammonium bromide (TBAB) Specifications

CAS Number
1643-19-2
Molecular Formula
C16H36N.Br
Molecular Weight
322.37 g/mol
IUPAC Name
tetrabutylazanium;bromide
Canonical SMILES
CCCC[N+](CCCC)(CCCC)CCCC.[Br-]
InChI Key
JRMUNVKIHCOMHV-UHFFFAOYSA-M
InChI
1S/C16H36N.BrH/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H/q+1;/p-1
PubChem CID
74236
EINECS Number
216-699-2
MDL Number
MFCD00011633
HSN No
29239000
Molecular Weight
322.37 g/mol
Purity
99.5% Tetrabutylammonium bromide (TBAB)
Physical appearance
White to almost white powder to crystal
odor
Odourless
Melting Point
102-106 °C
Boiling Point
102 °C
Flash Point
100 °C
Density
1.039 g/cm3
Precise Quality
≥98.0%
PSA
0 Ų
logP
0.839
Precautionary Statement Codes
P201, P202, P261, P264, P270, P273, P280, P301+P312+P330, P302+P352, P304+P340, P305+P351+P338, P308+P313, P337+P313, P405, and P501
Hazard Classes and Categories
Acute Tox. 4 (100%) Skin Irrit. 2 (100%)

Phase Transfer Catalysis

An agent used to facilitate the migration of a reactant from one phase into another phase where reaction occurs in heterogeneous systems

Organic Synthesis

A reagent employed as a source of bromide ions or as a nucleophile in various alkylation and substitution reactions

Analytical Chemistry

An ion-pairing agent utilized in liquid chromatography for the separation of ionic and polar compounds

Polymer Chemistry

An additive or catalyst used in the polymerization processes and modification of polymer surfaces

  1. Tetrabutylammonium
  2. Ammonium, tetrabutyl-
  3. Actiron 43-65
  4. Mastermix MB 4988
  5. Metoprolol Impurity 28

Tetrabutylammonium bromide (TBAB) FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

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US SDS · COA · TDS · Specification sheet

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