3,5-Dibromo-4-hydroxybenzaldehyde
3,5-Dibromo-4-hydroxybenzaldehyde (CAS: 2973-77-5) is an organic compound with the molecular formula C7H4Br2O2 and a molar mass of 279.91 g/mol. This aromatic aldehyde, characterised by its dibrominated phenolic structure, serves as a valuable building block in organic synthesis. Its reactive aldehyde and hydroxyl groups allow for diverse chemical transformations, making it a useful intermediate in the preparation of more complex molecules for research and development.
- Synonyms
- Br2C6H2(OH)CHO

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds, leveraging its functional groups for further chemical modification.
Research and Development
Employed in laboratory settings for research purposes, enabling the exploration of new chemical pathways and the development of novel materials.
Building Block for Complex Molecules
Serves as a foundational component in constructing more elaborate molecular architectures due to its distinct structural features.
| Molecular weight | 279.91 |
|---|---|
| Linear formula | Br2C6H2(OH)CHO |
| Assay | 98% |
| Melting point | 181-185 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 3,5-Dibromo-4-hydroxybenzaldehyde used for?
+
3,5-Dibromo-4-hydroxybenzaldehyde is primarily used as a building block and intermediate in organic synthesis and for research and development purposes.
What is the CAS number and molecular formula for 3,5-Dibromo-4-hydroxybenzaldehyde?
+
The CAS number is 2973-77-5, and the molecular formula is C7H4Br2O2. The linear formula is Br2C6H2(OH)CHO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3,5-Dibromo-4-hydroxybenzaldehyde with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the main safety hazards associated with 3,5-Dibromo-4-hydroxybenzaldehyde?
+
This compound is classified with the GHS07 symbol and a Warning signal word. It is associated with hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used.
How is 3,5-Dibromo-4-hydroxybenzaldehyde packed and shipped?
+
Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transport. Please contact us for specific details regarding packing and shipping.
How can I request a sample or quote for 3,5-Dibromo-4-hydroxybenzaldehyde?
+
To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number.
▶ 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