2,4′-Dibromoacetophenone
2,4′-Dibromoacetophenone (CAS: 99-73-0) is an organic compound with the molecular formula C8H6Br2O and a molar mass of 277.94 g/mol. It serves as a valuable intermediate in organic synthesis, particularly in the preparation of various heterocyclic compounds and as a building block in medicinal chemistry research. Its reactivity makes it useful in derivatization reactions.
- IUPAC
- 4′-Bromophenacyl bromide
- Synonyms
- 4′-Bromophenacyl bromide2-Bromo-1-(4-bromophenyl)ethanone1-(4-Bromophenyl)-2-bromoethanone

Organic Synthesis Intermediate
2,4′-Dibromoacetophenone is employed as a key starting material for the synthesis of diverse organic molecules. It is particularly useful in the formation of substituted aromatic and heterocyclic systems.
Medicinal Chemistry Research
This compound acts as a versatile building block for the development of novel pharmaceutical agents. Its structure allows for various functional group modifications, facilitating drug discovery efforts.
Derivatization Agent
The presence of two reactive bromine atoms makes 2,4′-Dibromoacetophenone suitable for derivatization reactions, aiding in the analysis and characterisation of other chemical species.
| Molecular weight | 277.94 |
|---|---|
| Linear formula | BrC6H4COCH2Br |
| Assay | >98% |
| Grade | puriss. |
| Melting point | 108-110 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... PLA2G2A(5320)rat ... Pla2g2a(29692) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,4′-Dibromoacetophenone used for?
+
2,4′-Dibromoacetophenone is used as an intermediate in organic synthesis, a building block in medicinal chemistry, and as a derivatization agent.
What are the CAS number and formula for 2,4′-Dibromoacetophenone?
+
The CAS number is 99-73-0 and the linear formula is BrC6H4COCH2Br.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,4′-Dibromoacetophenone with an assay of >98% and a puriss. grade. This product is intended for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,4′-Dibromoacetophenone be handled safely?
+
2,4′-Dibromoacetophenone is classified as Danger (GHS05) with hazard statement H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection (e.g., N100 respirator), is essential. Handle in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling guidelines.
Is 2,4′-Dibromoacetophenone a controlled substance?
+
The provided data does not indicate that 2,4′-Dibromoacetophenone is a controlled substance.
How is 2,4′-Dibromoacetophenone packed and shipped?
+
As a global supplier, Tech Serve Solutions ensures that 2,4′-Dibromoacetophenone is packed and shipped according to relevant regulations for hazardous materials, including UN 3261, Class 8, Packing Group II.
How can I request a quote or sample of 2,4′-Dibromoacetophenone?
+
Please contact our sales team or use the online enquiry form on the Tech Serve Solutions website to request a quote or a sample of 2,4′-Dibromoacetophenone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis