4-Bromo-2,2-difluoro-1,3-benzodioxole
4-Bromo-2,2-difluoro-1,3-benzodioxole (CAS: 144584-66-7) is a fluorinated heterocyclic compound with the molecular formula C7H3BrF2O2 and a molecular weight of 237.00 g/mol. This chemical serves as a valuable building block in organic synthesis. Its unique structure, featuring bromine and fluorine substituents on a benzodioxole core, makes it useful in the development of novel molecules, particularly within pharmaceutical and agrochemical research.
- Synonyms
- 144584-66-7C7H3BrF2O2

Organic Synthesis Intermediate
Utilised as a key intermediate in multi-step organic synthesis pathways. Its functional groups allow for diverse chemical transformations to construct more complex molecular architectures.
Pharmaceutical Research and Development
A building block for the synthesis of potential pharmaceutical agents. Fluorinated heterocycles are frequently incorporated into drug candidates to modulate properties like metabolic stability and bioavailability.
Agrochemical Discovery
Employed in the creation of new agrochemical compounds. The incorporation of fluorine can enhance the efficacy and environmental profile of pesticides and herbicides.
Material Science Applications
May be used in the synthesis of advanced materials where its specific electronic or physical properties can be advantageous.
| Molecular weight | 237.00 |
|---|---|
| Empirical formula | C7H3BrF2O2 |
| Assay | 96% |
| Density | 1.721 g/mL at 25 °C |
| Refractive index | n20/D 1.497 |

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
| Flash point | 90 °C / 194 °F |
|---|---|
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| 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 4-Bromo-2,2-difluoro-1,3-benzodioxole used for?
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4-Bromo-2,2-difluoro-1,3-benzodioxole is primarily used as a building block in organic synthesis, particularly in the research and development of pharmaceuticals and agrochemicals.
What are the CAS number and formula for 4-Bromo-2,2-difluoro-1,3-benzodioxole?
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The CAS number is 144584-66-7, and the molecular formula is C7H3BrF2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-2,2-difluoro-1,3-benzodioxole with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
How should 4-Bromo-2,2-difluoro-1,3-benzodioxole be handled?
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This compound is a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding dust formation and contact with skin, eyes, and clothing. Store in a tightly closed container.
How is this chemical shipped?
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4-Bromo-2,2-difluoro-1,3-benzodioxole is shipped according to relevant transportation regulations, classified under NA 1993 / PGIII.
How can I request a quote or sample?
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Please contact our sales team via the website or direct email to request a quote or a sample of 4-Bromo-2,2-difluoro-1,3-benzodioxole.
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