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n-Hexylammonium Bromide C₆H₁₆BrN 99% Purity HexABr White Powder 2D Layered Perovskite Spacer Precursor CAS 7334-95-4 Light-Sensitive Hygroscopic Glovebox Storage

n-Hexylammonium Bromide 99% 5 g HexABr Research

$141.00

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Research-grade n-hexylammonium bromide (HexABr), >99% purity, 5 g white powder, CAS 7334-95-4 for 2D perovskite spacer synthesis. Order now.

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Description

N-HEXYLAMMONIUM BROMIDE C₆H₁₆BRN 99% HEXABR CAS 7334-95-4

RESEARCH GRADE MATERIAL

Product Overview
n-Hexylammonium Bromide (C₆H₁₆BrN, HexABr, CAS 7334-95-4) is a long-alkyl-chain organic bromide salt with C₆H₁₆BrN 99% purity HexABr, supplied as a white powder with a molecular weight of 182.10 g/mol. This compound functions as an effective 2D layered perovskite spacer precursor, where the six-carbon hexyl chain provides an intermediate-length hydrophobic barrier that modulates interlayer spacing in layered perovskite structures. The hexylammonium cation simultaneously passivates grain boundary and surface defects while blocking moisture ingress through the hydrophobic alkyl chain, significantly enhancing the environmental stability of perovskite optoelectronic devices. Compared to shorter butylammonium analogs, the extended hexyl chain offers increased hydrophobicity and larger interlayer spacing; compared to longer octylammonium analogs, it provides improved precursor solubility. The material is widely utilized in university and research institute laboratories for two-dimensional perovskite solar cell, photodetector, and light-emitting diode experimental research. Freely soluble in polar organic solvents including DMF and DMSO, this high-purity precursor is compatible with spin-coating and solution blending preparation techniques. Strict light-sensitive hygroscopic glovebox storage is required to maintain material integrity.

Technical Specifications
PARAMETER DETAILS
Molecular Formula C₆H₁₆BrN
CAS Number 7334-95-4
Molecular Weight 182.10 g/mol
Specification 5 g
Purity >99%
Physical Form White Powder
Solubility Freely Soluble in DMF, DMSO and Polar Organic Solvents
Storage Conditions Light-Protected, Dry, Sealed, Room Temperature; Long-Term: N₂ Glovebox Recommended
Custom Configurations Other packaging specifications are available upon request. Please contact us via email for custom orders.

Key Features & Advantages
  • Optimized Intermediate Chain Length for Balanced Properties: The six-carbon hexyl chain provides an optimal balance between butyl (C4) and octyl (C8) ammonium analogs—offering enhanced hydrophobicity over shorter chains while maintaining superior solubility and processability compared to longer-chain counterparts.
  • Enhanced Moisture Barrier via Hydrophobic Alkyl Chain: The hexylammonium cation forms a robust hydrophobic protective layer at perovskite film surfaces and grain boundaries, effectively blocking moisture ingress and significantly improving device environmental stability under ambient conditions.
  • Precise Interlayer Spacing Modulation: HexABr enables fine-tuning of the perovskite quantum-well interlayer distance through its defined six-carbon spacer length, providing an additional structural parameter for optimizing charge transport and exciton confinement in 2D perovskite systems.
  • Ultra-High Purity Exceeding 99%: Refined to >99% purity with low batch impurity content, the precursor minimizes extrinsic defects in 2D perovskite thin films and supports reproducible device performance across experimental batches.

APPLICATION SCOPE: Organic spacer cation for 2D layered and quasi-2D Ruddlesden-Popper phase perovskite synthesis. Interlayer spacing modulator for tuning charge transport and exciton confinement in layered perovskite structures. Surface and grain boundary passivation agent with hydrophobic moisture barrier functionality. Precursor for dimensionality engineering in mixed 2D/3D perovskite systems. Compatible with spin-coating and precursor solution blending deposition protocols. Supports two-dimensional perovskite solar cell, photodetector, and light-emitting diode research in university and research institute laboratories.
PACKAGING: This listing is for the 5 g specification. Other packaging weights are available upon custom request. Each package is sealed under inert atmosphere within light-protective packaging to prevent photodegradation and moisture ingress. The hygroscopic nature of n-hexylammonium bromide necessitates immediate transfer to a desiccated, light-protected storage environment—preferably a nitrogen-filled glovebox for long-term storage. For bulk quantities or custom packaging specifications, please contact us via email.
IMPORTANT NOTICE: n-Hexylammonium bromide is hygroscopic and light-sensitive. Tighten the container cap immediately after each use to prevent moisture ingress from ambient air. Wear protective gloves throughout all experimental procedures; avoid direct skin contact. Store in a light-protected, moisture-free environment; do not store together with strong oxidizing agents or acidic reagents. Prioritize powder weighing and solution preparation within a nitrogen-filled inert glovebox (H₂O < 1 ppm, O₂ < 1 ppm). For long-term storage, inert-atmosphere glovebox conditions are recommended. Exposure to atmospheric moisture will cause deliquescence and hydrolysis, irreversibly degrading precursor stoichiometry. For detailed safety and handling information, consult the Safety Data Sheet prior to use.
TAILORED SOLUTIONS FOR RESEARCH
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EMAIL: inquiry@atomfair.com
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®

This document outlines the environmental storage constraints and handling precautions for n-hexylammonium bromide. Strict moisture and light protection are required to prevent deliquescence and photodegradation.

  • Moisture Sensitivity: The material is hygroscopic and will undergo deliquescence and hydrolysis upon exposure to atmospheric moisture, irreversibly degrading precursor stoichiometry.
  • Light Sensitivity: Photodegradation occurs under light exposure, necessitating light-protected storage at all times.
  • Storage Atmosphere: Long-term storage requires a nitrogen-filled inert glovebox with H₂O < 1 ppm and O₂ < 1 ppm to maintain material integrity.
  • Container Handling: The container cap must be tightened immediately after each use to prevent moisture ingress from ambient air.

This procedure describes the safe handling and storage of n-hexylammonium bromide. All steps must be performed under inert atmosphere with moisture and light protection.

Required Equipment: Nitrogen-filled inert glovebox, Light-protective storage container, Desiccator

  1. Weigh material
    Weigh the powder inside a nitrogen-filled inert glovebox to avoid moisture and oxygen exposure.
  2. Transfer to storage
    Transfer the powder to a light-protective container and seal it immediately to prevent photodegradation.
  3. Store under inert atmosphere
    Store the sealed container in a desiccator or nitrogen-filled glovebox for long-term preservation.
  4. Handle after use
    Tighten the container cap immediately after each use to block ambient moisture ingress.

How does n-hexylammonium bromide's six-carbon chain length compare to butylammonium and octylammonium analogs in balancing hydrophobicity and solubility for perovskite spacer applications?

The six-carbon hexyl chain provides an optimal balance: it offers enhanced hydrophobicity over butylammonium (C4) for improved moisture barrier properties, while maintaining superior solubility and processability compared to octylammonium (C8). This intermediate length enables fine-tuning of interlayer spacing in 2D perovskites, modulating charge transport and exciton confinement.

What are the critical handling requirements when integrating n-hexylammonium bromide into spin-coating deposition protocols for 2D perovskite thin films?

Powder weighing and solution preparation must be performed inside a nitrogen-filled glovebox (H₂O < 1 ppm, O₂ < 1 ppm) because the material is hygroscopic and light-sensitive. Exposure to ambient moisture causes deliquescence and hydrolysis, irreversibly degrading precursor stoichiometry. Solutions should be used immediately after preparation to maintain integrity.

What storage infrastructure is required to maintain the integrity of n-hexylammonium bromide for long-term use in perovskite research?

Long-term storage in a nitrogen-filled glovebox (H₂O < 1 ppm, O₂ < 1 ppm) is recommended to prevent moisture absorption and photodegradation. Short-term storage is acceptable in a light-protected, dry, sealed container at room temperature, but the container must be tightly sealed after each use to avoid moisture ingress.

n-Hexylammonium Bromide (HexABr) is a high-purity (>99%) 2D perovskite spacer precursor with optimized C6 chain length balancing hydrophobicity and solubility, but requires strict inert-atmosphere handling due to hygroscopic and light-sensitive nature.

Positive

  • Optimized Intermediate Chain Length: The six-carbon hexyl chain provides enhanced hydrophobicity over shorter butylammonium analogs while maintaining superior solubility and processability versus longer octylammonium counterparts, enabling balanced performance in 2D perovskite systems.
  • Ultra-High Purity Exceeding 99%: Refined to >99% purity with low batch impurity content, this precursor minimizes extrinsic defects in 2D perovskite thin films and supports reproducible device performance across experimental batches.

Trade-offs

  • Hygroscopic and Light-Sensitive: The compound rapidly absorbs moisture from ambient air and degrades upon light exposure, requiring immediate transfer to light-protected, sealed containers and long-term storage under inert atmosphere to prevent deliquescence and hydrolysis.
  • Mandatory Inert-Atmosphere Handling: Powder weighing and solution preparation must be performed in a nitrogen-filled glovebox (H₂O < 1 ppm, O₂ < 1 ppm) to maintain stoichiometric integrity, adding infrastructure demands for standard lab deployment.

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

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