4,5-Difluoro-2-isopropoxyphenylboronic acid
4,5-Difluoro-2-isopropoxyphenylboronic acid (CAS: 1072951-61-1) is an organoboron compound with the molecular formula C9H11BF2O3 and a molecular weight of 215.99 g/mol. It is characterised by its aryl boronic acid structure, featuring difluoro and isopropyl substituents on the phenyl ring. This compound serves as a versatile building block in organic synthesis, particularly in cross-coupling reactions for the construction of complex organic molecules.
- Synonyms
- C9H11BF2O34,5-Difluoro-2-isopropoxyphenylboronic acid

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its boronic acid functionality readily participates in Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds.
Pharmaceutical Research
A valuable reagent in medicinal chemistry for the development of novel pharmaceutical compounds. It can be incorporated into molecular scaffolds to create potential drug candidates.
Materials Science
Employed in the synthesis of functional materials. The specific arrangement of fluorine and isopropyl groups can influence the electronic and physical properties of derived materials.
| Molecular weight | 215.99 |
|---|---|
| Empirical formula | C9H11BF2O3 |
| Melting point | 75-79 °C |

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 |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 4,5-Difluoro-2-isopropoxyphenylboronic acid used for?
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4,5-Difluoro-2-isopropoxyphenylboronic acid is primarily used as an intermediate in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions for constructing complex organic molecules, and in pharmaceutical research for developing novel drug candidates.
What are the CAS number and formula for 4,5-Difluoro-2-isopropoxyphenylboronic acid?
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The CAS number for 4,5-Difluoro-2-isopropoxyphenylboronic acid is 1072951-61-1, and its empirical formula (Hill notation) is C9H11BF2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,5-Difluoro-2-isopropoxyphenylboronic acid typically for research and development purposes. Purity information is available on the Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should 4,5-Difluoro-2-isopropoxyphenylboronic acid be handled?
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Handling requires caution. This compound is a warning hazard and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is 4,5-Difluoro-2-isopropoxyphenylboronic acid controlled or scheduled?
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The provided data does not indicate that 4,5-Difluoro-2-isopropoxyphenylboronic acid is a controlled or scheduled substance.
How is this chemical packed and exported?
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Tech Serve Solutions packs and exports chemicals in compliance with international shipping regulations. Details regarding specific packing for 4,5-Difluoro-2-isopropoxyphenylboronic acid can be provided upon request.
How can I request a quote or sample?
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To request a quote or a sample of 4,5-Difluoro-2-isopropoxyphenylboronic acid, please contact our sales team through the website or by phone, providing your specific requirements.
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