3-Bromo-4-hydroxybenzaldehyde
3-Bromo-4-hydroxybenzaldehyde (CAS: 2973-78-6; Formula: BrC6H3(OH)CHO; MW: 201.02) is a valuable organic building block and carbonyl compound. Supplied with a minimum assay of 97%, this chemical serves as a key intermediate in organic synthesis and chemical research. Its structure, featuring both a bromine atom and a hydroxyl group on a benzaldehyde core, allows for diverse chemical transformations. Tech Serve Solutions provides this compound for laboratory and industrial applications.

Organic Synthesis Intermediate
Utilised as a foundational building block in the synthesis of more complex organic molecules. Its reactive aldehyde and hydroxyl functionalities, along with the bromine substituent, enable a wide range of derivatisation reactions.
Pharmaceutical Research
Serves as an intermediate in the development of novel pharmaceutical compounds. The specific arrangement of functional groups can be crucial for constructing targeted drug molecules with desired pharmacological properties.
Fine Chemical Manufacturing
Employed in the production of speciality chemicals and materials. It is valuable for introducing specific structural motifs into advanced chemical products.
| Molecular weight | 201.02 |
|---|---|
| Linear formula | BrC6H3(OH)CHO |
| Assay | 97% |
| Melting point | 130-135 °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-Bromo-4-hydroxybenzaldehyde used for?
+
3-Bromo-4-hydroxybenzaldehyde is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceutical compounds and other fine chemicals.
What are the CAS number and molecular formula for 3-Bromo-4-hydroxybenzaldehyde?
+
The CAS number is 2973-78-6, and the molecular formula is BrC6H3(OH)CHO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-Bromo-4-hydroxybenzaldehyde with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling considerations for 3-Bromo-4-hydroxybenzaldehyde?
+
This compound is classified as a Warning with hazards 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. Handle in a well-ventilated area.
How is 3-Bromo-4-hydroxybenzaldehyde packed and shipped?
+
3-Bromo-4-hydroxybenzaldehyde is carefully packed to ensure integrity during transit and is exported globally by Tech Serve Solutions according to all relevant regulations.
How can I request a quote or sample for 3-Bromo-4-hydroxybenzaldehyde?
+
To request a quote or sample, please contact our sales department via the website or by calling our main line. Please specify 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