3-Bromo-5-chlorobenzaldehyde
3-Bromo-5-chlorobenzaldehyde (CAS: 188813-05-0), with the molecular formula C7H4BrClO and a molecular weight of 219.46 g/mol, is a valuable organic building block. This halogenated aromatic aldehyde serves as a key intermediate in chemical synthesis. Its distinct structure, featuring both bromine and chlorine substituents along with an aldehyde functional group, makes it suitable for a range of organic reactions and the construction of complex molecules in research and development.

Organic Synthesis Intermediate
Utilised as a versatile building block in the synthesis of diverse organic compounds. The presence of reactive halogen atoms and an aldehyde group allows for various chemical transformations.
Pharmaceutical Research
A potential intermediate in the development of novel pharmaceutical agents. Its structure can be incorporated into lead compounds for drug discovery programs.
Agrochemical Development
May serve as a precursor in the synthesis of new agrochemical compounds. The specific substitution pattern can influence biological activity.
Materials Science
Can be employed in the synthesis of specialised organic materials. Its aromatic nature and functional groups allow for polymerisation or derivatisation.
| Molecular weight | 219.46 |
|---|---|
| Empirical formula | C7H4BrClO |
| Assay | 97% |
| Melting point | 68-73 °C |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-51/53 |
| Safety statements (S) | 53-61 |
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-5-chlorobenzaldehyde used for?
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3-Bromo-5-chlorobenzaldehyde (CAS: 188813-05-0) is primarily used as an intermediate in organic synthesis for the preparation of more complex molecules, including potential pharmaceutical and agrochemical compounds.
What is the CAS number and chemical formula for this product?
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The CAS number is 188813-05-0, and the empirical formula (Hill notation) is C7H4BrClO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromo-5-chlorobenzaldehyde with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the main hazards associated with 3-Bromo-5-chlorobenzaldehyde?
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This compound is classified with a Warning signal word and carries the H302 hazard statement (Harmful if swallowed). Appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, faceshields, and gloves, should be worn when handling. Refer to the Safety Data Sheet for full details.
How is 3-Bromo-5-chlorobenzaldehyde packed and exported?
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Tech Serve Solutions professionally packs and exports chemicals in compliance with all relevant international regulations. For 3-Bromo-5-chlorobenzaldehyde, shipping may fall under UN 3077, Class 9, Packing Group III.
How can I request a quote or sample?
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To request a quote or a sample of 3-Bromo-5-chlorobenzaldehyde, please visit the product page on the Tech Serve Solutions website and use the 'Request Quote' or 'Request Sample' functions, or contact our sales team directly.
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