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A complete whitepaper breakdown on chemical characteristics, reaction thermodynamic profiles, phase-transfer catalysis (PTC) kinetics, and industrial synthesis routes.
Phenyltrimethylammonium Bromide (CAS No.: 4207-56-1), also recognized as N,N,N-trimethylbenzenaminium bromide or PTMABr, is a crystalline quaternary ammonium salt featuring a rigid lipophilic phenyl ring attached to three methyl cations paired with a bromide anion. Its chemical formula is C₉H₁₄BrN with a molecular weight of 216.12 g/mol.
Due to its strong ionic nature, high thermal threshold, and amphiphilic solubility profile, PTAB acts as an indispensable component across phase-transfer catalysis (PTC), organic synthesis, electrochemistry, and optoelectronic surface modification. Reliable global suppliers must provide ultra-pure grades (≥99.0%) with minimal trace water and ionic impurities to meet stringent pharmaceutical and electronic specifications.
Evaluating qualified Phenyltrimethylammonium Bromide manufacturers requires rigorous verification of physical constants, assay parameters, and residual solvent limits. Premium manufacturers like Gentolex adhere to strict cGMP-aligned validation protocols.
| Parameter / Quality Benchmark | Industrial Grade Specifications | Pharmaceutical Fine Grade | Electronic & Perovskite Grade |
|---|---|---|---|
| Chemical Purity (Assay) | ≥ 98.0% | ≥ 99.0% | ≥ 99.5% (HPLC Area) |
| CAS Registry Number | 4207-56-1 | ||
| Loss on Drying (LOD) | ≤ 1.0% | ≤ 0.50% | ≤ 0.10% |
| Residue on Ignition (Ash) | ≤ 0.2% | ≤ 0.1% | ≤ 0.02% |
| Trace Bromide / Free Halide Balance | Controlled standard | Tight Stoichiometric Ratio | Ultra-clean Ionic Balance (<50 ppm free Br₂) |
| Primary Industrial Function | Intermediates & PTC catalysis | API Synthesis & Alkylation | Solar cell passivation & Energy Storage |
Analyzing global supply dynamics, regional market growth drivers, raw material security, and supply chain risk mitigation for Phenyltrimethylammonium Bromide buyers worldwide.
In North America and Europe, demand for Phenyltrimethylammonium Bromide is heavily driven by advanced biopharmaceutical synthesis, agrochemical formulations, and green renewable energy tech. Regulatory frameworks such as EU REACH, EPA TSCA, and OSHA chemical safety guidelines demand extensive raw material traceability, validated impurity profiles, and strict SDS compliance from quaternary ammonium compound suppliers.
The Asia-Pacific region serves as the primary global manufacturing engine for Phenyltrimethylammonium Bromide. Backed by abundant bromine chemical feedstock reserves, advanced methylation technologies, and vertically integrated chemical synthesis complexes, Asian suppliers provide cost-effective, scalable, and customizable batch sizes to support global industrial demands.
Chemical procurements require robust multi-tier logistics handling. Gentolex addresses global market volatility through multi-regional representative centers (including direct operations in Mexico and South Africa), guaranteed safety stock buffers, localized customs documentation assistance, and hazardous goods maritime shipping certification.
From organic chemical synthesis to cutting-edge perovskite photovoltaic interfaces, discover how PTAB empowers clean chemical reactions and novel material engineering.
Phase-transfer catalysis is critical for modern industrial organic synthesis, enabling reactions between immiscible aqueous and organic phases. As a quaternary ammonium salt, Phenyltrimethylammonium Bromide acts as an exceptionally efficient phase-transfer catalyst by forming lipophilic ion pairs with inorganic anions (e.g., OH⁻, CN⁻, halide ions, alkylating agents).
This ion pairing shuttles reactive nucleophiles across the interface into the organic layer, dramatically accelerating reaction rates, reducing energy requirements, avoiding costly anhydrous solvents, and maximizing reaction selectivity in nucleophilic substitutions, nucleophilic aromatic substitutions, and C-alkylations.
In combination with brominating agents or elemental bromine complexation (forming Phenyltrimethylammonium Tribromide, PTABr₃), PTAB provides a controlled, selective bromination medium. Unlike aggressive free-radical bromination, PTAB derivatives enable regio-selective alpha-bromination of ketones, aldehydes, and aromatic compounds without over-bromination or hazardous side-product formation.
Additionally, PTAB serves as a specialized charge modifier and cationic initiator agent in quaternary polymer synthesis and electrolyte membrane modifications.
In the rapidly evolving optoelectronic and photovoltaic domain, Phenyltrimethylammonium Bromide (PTAB) is widely utilized for surface defect passivation in 3D/2D perovskite solar cells (PSCs). The phenyl trimethyl ammonium cation anchors onto uncoordinated Pb²⁺ defect sites and halide vacancies at the perovskite layer surface.
This passivation process significantly suppresses non-radiative charge recombination, improves open-circuit voltage ($V_{oc}$), enhances hydrophobic environmental stability, and prolongs module operating lifespan in commercial solar energy devices.
Quaternary ammonium bromides exhibit superior electrochemical stability windows and conductivity in non-aqueous electrolytes. PTAB functions as an electro-active supporting electrolyte additive, controlling bromine complexation dynamics in zinc-bromine and organic redox flow batteries.
Its quaternary structure helps prevent elemental bromine evaporation and phase separation, contributing to higher battery charge-discharge efficiency and battery longevity.
Connecting global chemical, pharmaceutical, and technology markets with validated quality products, scalable factory infrastructure, and technical consultation.
Gentolex’s goal is to create opportunities connecting the world with better services and guaranteed products. Up to date, Gentolex Group has been serving customers from more than 10 countries, with dedicated representative infrastructure established in Mexico and South Africa.
Our core services focus on supplying peptide APIs and Custom Peptides, FDF license out, Technical Support & Consultation, Product Line and Lab Setup, Sourcing & Supply Chain Solutions.
We operate an overall factory construction area of 250,000 square meters under international standards to offer flexible, scalable, and cost-effective solutions for clients worldwide.
An overall factory construction area of 250,000 square meters under international standard to offer flexible, scalable and cost-effective solutions for global customers.
Gentolex offers an extensive range of APIs and intermediates for development study and commercial application with cGMP standard from long-term collaborations. Full documentation supported.
Tailored chemical synthesis, peptide sequencing, process optimization, structural characterization, scale-up synthesis, and complete technical transfer services.
For clients seeking to eliminate single-source vulnerabilities, we provide extra customized procurement services with superior, consolidated global supply chain management.
Rigorous quality control, regulatory filings, hazardous cargo management, and localized customer support across international procurement corridors.
Every batch of Phenyltrimethylammonium Bromide and active chemical compounds produced by Gentolex is supported by comprehensive documentation, including Certificates of Analysis (CoA), Safety Data Sheets (SDS / MSDS under GHS standards), High-Performance Liquid Chromatography (HPLC) profiles, Mass Spectrometry (MS), and Fourier-Transform Infrared Spectroscopy (FTIR) spectra.
Quaternary ammonium bromide salts require careful storage in cool, dry, well-ventilated atmospheres in sealed corrosion-resistant fiber drums or heavy-duty UN-rated containers. Gentolex adheres strictly to international dangerous goods shipping regulations (ICAO/IATA, IMDG, ADR), avoiding humidity absorption, electrostatic discharge, or degradation during transit.
With operating branches in Mexico and South Africa, Gentolex streamlines cross-border customs clearing, provides local-currency invoicing options, and maintains rapid response times for regional buyers across Latin America, Africa, Europe, and Asia.
Strategic advancements in green bromination pathways, electronic-grade purification, and next-generation energy storage applications.
Optimizing multi-stage recrystallization and continuous ion-exchange filtration to yield Phenyltrimethylammonium Bromide with ≥99.9% purity and sub-ppm metallic impurity levels specifically targeted for commercial tandem perovskite-silicon solar cell manufacturing lines.
Developing integrated process engineering solutions for industrial clients to recover and recycle quaternary ammonium salts from aqueous effluent streams, reducing chemical operational expenditures (OpEx) by up to 40% and minimizing industrial water impact.
Pioneering specialized PTAB-derived quaternary electrolytes for commercial long-duration energy storage (LDES) grid systems, supporting global decarbonization and high-capacity flow battery deployments.
Stay informed with the latest updates from Gentolex regarding active pharmaceutical ingredients, custom peptide synthesis, and specialty chemical developments.
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View News DetailsAnswers to common technical, procurement, quality assurance, and shipping queries regarding Phenyltrimethylammonium Bromide (CAS 4207-56-1).
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