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Molekula

Tetrabutylphosphonium bromide

SKU 75425740 CAS 3115-68-2 (CH3CH2CH2CH2)4P(Br) MW 294.88 Available on enquiry

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ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

Tetrabutylphosphonium bromide is a quaternary phosphonium salt widely used as a phase-transfer catalyst in organic synthesis, polymer chemistry, and electrochemistry. It facilitates reactions between hydrophobic and hydrophilic compounds, improving efficiency and yield in processes like alkylation, polymerization, and battery research. CAS 3115-68-2, molecular formula (C4H9)4PBr, molecular weight 294.88 g/mol. Store at ambient conditions. Hazard classification: Danger (harmful if swallowed, toxic in contact with skin, causes serious eye damage). Molekula supplies tetrabutylphosphonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU
75425740
CAS Number
3115-68-2
IUPAC Name
tetrabutylphosphanium bromide
EC Number
221-487-8
Molecular Formula
(CH3CH2CH2CH2)4P(Br)
Molecular Weight
294.88
Exact Mass
338.1738
SMILES
CCCC[P+](CCCC)(CCCC)CCCC.[Br-]
InChIKey
RKHXQBLJXBGEKF-UHFFFAOYSA-M
InChI
InChI=1S/C16H36P.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
76564

Synonyms

  • Bu4PBr
  • C16H36BrP
  • Phosphonium, tetrabutyl-, bromide
  • Phosphonium, tetrabutyl-, bromide (1:1)
  • PX 4B
  • TBP Br
  • Tetra-N-butylphosphonium bromide
  • tetrabutylphosphanium;bromide
  • Tetrabutylphosphonium
  • WLN: 4P4&4&4 &E

Frequently asked questions

What is tetrabutylphosphonium bromide commonly used for?

It is primarily used as a phase-transfer catalyst in organic synthesis, including alkylation, nucleophilic substitution, and polymerization reactions.

What is the chemical formula and molecular weight of tetrabutylphosphonium bromide?

The formula is (C₄H₉)₄P⁺Br⁻ (or (CH₃CH₂CH₂CH₂)₄P(Br)), and the molecular weight is 294.88 g/mol.

What safety classification does tetrabutylphosphonium bromide have?

It carries a Signal Word: Danger due to its hazardous properties, including serious eye damage.

How should tetrabutylphosphonium bromide be stored?

Store in a cool, dry place at ambient temperature, away from moisture and incompatible substances, in a tightly sealed container.

Does Molekula supply tetrabutylphosphonium bromide in bulk quantities?

Yes, we offer bulk packaging options—please contact our sales team for custom quantities and pricing.

What documentation is provided with an order of tetrabutylphosphonium bromide?

Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and Material Safety Information upon request.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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