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Tetrabutylammonium bromide (TBAB)

CAS 1643-19-2 (CH3CH2CH2CH2)4N(Br) MW 322.37 In stock

Tetrabutylammonium bromide (TBAB) is a quaternary ammonium salt used as a phase-transfer catalyst in organic synthesis. It facilitates reactions between immiscible phases, enhancing reaction efficiency. Available in powder form, it has a molecular weight of 322.37 g/mol, a CAS number of 1643-19-2, and is stable at ambient storage conditions. It carries a warning signal word due to potential health hazards. Molekula supplies Tetrabutylammonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Tetrabutylammonium bromide (TBAB) is a quaternary ammonium salt used as a phase-transfer catalyst in organic synthesis. It facilitates reactions between immiscible phases, enhancing reaction efficiency. Available in powder form, it has a molecular weight of 322.37 g/mol, a CAS number of 1643-19-2, and is stable at ambient storage conditions. It carries a warning signal word due to potential health hazards. Molekula supplies Tetrabutylammonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White to almost white crystals/crystalline powder
Identification Conforms to reference
Assay ≥99% (titration)
Free Amine ≤0.5% (tritration)
Moisture ≤0.5% (moisture titration)
Chromaticity ≤200 (chroma meter)

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 1643-19-2
Molecular Formula (CH3CH2CH2CH2)4N(Br)
Molecular Weight 322.37
SMILES [Br-].CCCC[N+](CCCC)(CCCC)CCCC
REACH Code Y110
TSCA Listed Yes
HTS Code 29239001
Tariff Code 2923900055

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Flammable Flammable GHS02

Hazard statements

  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H361 Suspected of damaging fertility or the unborn child
  • H412 Harmful to aquatic life with long lasting effects

Precautionary statements

  • P263 Avoid contact during pregnancy/while nursing
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is tetrabutylammonium bromide used for?

It is commonly used as a phase-transfer catalyst in organic synthesis, facilitating reactions between immiscible phases.

What is the chemical formula and molecular weight of TBAB?

The formula is (CH3CH2CH2CH2)4N(Br) with a molecular weight of 322.37 g/mol.

How should tetrabutylammonium bromide be stored?

Store at ambient temperature, away from moisture and incompatible materials.

What grade is available for tetrabutylammonium bromide?

Available in technical grade; specific higher grades may be available upon request.

Can Molekula supply tetrabutylammonium bromide in bulk?

Yes, bulk quantities are available—please contact our sales team for pricing and availability.

What documentation comes with a purchase of TBAB?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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