Phenacyl Bromide [for HPLC Labeling] TCI A5508

Chemical Identity

CAS No.: 70-11-1
PubChem: CID 6259·SID 87563157
Formula: C8H7BrO
Molecular weight: 199.04 g/mol
Purity: >98.0%(HPLC)(T)
Reference databases: ChEBI·ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2-bromo-1-phenylethanone
SMILES: C1=CC=C(C=C1)C(=O)CBr
InChIKey: LIGACIXOYTUXAW-UHFFFAOYSA-N

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Phenacyl Bromide (70-11-1) is a chemical compound widely used in analytical chemistry, particularly in derivatization processes for High-Performance Liquid Chromatography (HPLC). It serves as a labeling agent that enhances the detection and identification of compounds during chromatographic analysis. In laboratory settings, this reagent plays a crucial role in improving the sensitivity and accuracy of analytical measurements by enabling the formation of detectable complexes. Its utility lies in its ability to react with specific functional groups, making it an essential tool for researchers working in analytical chemistry.

Phenacyl Bromide is valued for its chemical stability and controlled reactivity, which make it suitable for use under various laboratory conditions. Its molecular structure allows for effective halogen substitution reactions, making it a preferred choice for derivatization. Additionally, its resistance to degradation ensures consistent performance over time, even when exposed to different environmental conditions in the lab. These properties contribute to its reliability and effectiveness in analytical applications.

In Indonesian laboratories, Phenacyl Bromide is commonly used in chemical, pharmaceutical, and environmental research. It is a vital component in the development of analytical methods, supporting the work of scientists and researchers in various fields. Its role in enhancing detection capabilities makes it an indispensable reagent for analytical processes in both academic and industrial settings.

Advantages (TCI brochure)

Bromoacetyl group reacts with a carboxy group to form the ester in the presence of a base
Resulting ester is stable and reaches the detector without decomposition in reversed phase HPLC
Excellent chromatogram obtained at 254 nm, a wavelength generally used for UV detection

TCI brochures (PDF)

HPLC Labeling Reagents 2026-03-10 · p. 2

Related TCI products

High-Performance Liquid Chromatography (HPLC) uses Phenacyl Bromide for labeling compounds, improving detection sensitivity through UV or fluorescence.
Pharmaceutical analysis benefits from its ability to react with functional groups, aiding in the identification of complex molecules in drug development.
Environmental testing employs this reagent to enhance the detection of trace organic compounds in water and soil samples.
Chemical research utilizes its reactivity for derivatization, enabling more accurate and precise analytical results.
Quality control processes in laboratories rely on Phenacyl Bromide to ensure the consistency and reliability of analytical data.

From the TCI brochure

Fatty acids (as phenacyl esters)
Bile acids
Carboxylic acids in wine

Brand	TCI
CAS number	70-11-1
Molecular formula	—
Purity	—
Category	Analytical Chemistry > Analytical Reagents > Derivatization Reagents
Pack sizes	Available in various quantities as per standard laboratory supply
Physical form	Liquid
Storage	Store in a cool, dry place away from light and moisture

Data from the TCI brochure

Panjang gelombang deteksi UV	254 nm (Kolom Kaseisorb LC ODS-100-5 4.6 mm I.D.x150 mm; CH3CN/H2O = 90/10; 1 mL/min)

Source: TCI brochure A1096 (2026-03-10)

Phenacyl Bromide should be stored in a cool, dry place, away from direct light and moisture to maintain its chemical stability. It is recommended to use airtight containers made of glass or polyethylene to prevent contamination and evaporation. Due to its reactivity, it should be handled with care, using appropriate personal protective equipment such as gloves and safety goggles. Avoid exposure to incompatible substances like strong bases or oxidizing agents. Proper ventilation is essential when working with this reagent to ensure a safe laboratory environment. Always follow standard safety protocols to minimize risks associated with chemical handling.

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