Tetrapropylammonium bromide
CAS Number
1941-30-6
EC Number
217-727-6
Abbreviation
TPABr
What is Tetrapropylammonium bromide?
Tetrapropylammonium bromide (CAS 1941-30-6), abbreviated TPABr, is a quaternary ammonium salt; a phase-transfer catalyst and structure-directing agent in chemical synthesis.
Where is Tetrapropylammonium bromide used?
- Pharmaceutical manufacturing: phase-transfer catalysis in API synthesis, improving yields and reducing solvent consumption in multi-step organic reactions
- Zeolite synthesis: structure-directing agent in hydrothermal synthesis of ZSM-5 and related microporous materials for catalytic cracking and adsorption
- Biotechnology and life sciences: reagent in nucleic acid extraction and counter-ion agent in ion-pair chromatography
- It exhibits biocidal activity against a range of microorganisms.
Commercial specifications
- Technical and high-purity grades
- Packaging from laboratory-scale quantities to bulk industrial supply
Other Names (Synonyms)
tetra-n-propylammonium bromide|N,N,N-tripropyl-1-propanaminium bromide (1:1)|N,N,N-tripropyl-1-propanaminium bromide|1-Propanaminium, N,N,N-tripropyl-, bromide|TPABR|N,N,N-tripropylpropan-1-aminium bromide|Ammonium, tetrapropyl-, bromide|1-Propanaminium, N,N,N-tripropyl-, bromide (1:1)
What are the physical properties of Tetrapropylammonium bromide?
Melting Point 114-116 °C
Density 1.1949 (rough estimate)
Appearance white crystals or crystalline powder
Color White
Odor Odorless
Form Crystals or Crystalline Powder
Water Solubility 100 g/L
Refractive Index 1.5260 (estimate)
pH 5-7 (100g/l, H2O)
Log P -0.3 at 20℃
Which trade and regulatory codes apply to Tetrapropylammonium bromide?
HS Code 29239000
Storage Class 11 - Combustible Solids
WGK (Germany) 3