2,6-Difluoro-3-methylbenzoyl chloride
2,6-Difluoro-3-methylbenzoyl chloride (CAS: 261763-39-7), with the linear formula CH3C6H2(F)2COCl and a molecular weight of 190.57 g/mol, is a key organic fluorinated building block. This acid halide serves as a versatile intermediate in organic synthesis, particularly for the introduction of the 2,6-difluoro-3-methylbenzoyl moiety into more complex molecules. Its reactivity makes it valuable in the development of pharmaceuticals and agrochemicals.
- Synonyms
- CH3C6H2(F)2COCl

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs), leveraging its fluorinated aryl structure to impart specific biological properties. It acts as a crucial building block for novel drug candidates.
Agrochemical Synthesis
Employed in the development of new pesticides, herbicides, and fungicides. The difluorinated aromatic ring can influence the efficacy and metabolic stability of agrochemical products.
Specialty Chemical Manufacturing
Serves as a reactive intermediate for the creation of advanced materials and fine chemicals. Its unique structure is valuable for custom synthesis projects requiring fluorinated aromatic compounds.
| Molecular weight | 190.57 |
|---|---|
| Linear formula | CH3C6H2(F)2COCl |
| Assay | 97% |
| Density | 1.3114 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4990(lit.) |


Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 2,6-Difluoro-3-methylbenzoyl chloride used for?
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2,6-Difluoro-3-methylbenzoyl chloride is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals, and for manufacturing specialty chemicals.
What is the CAS number and formula for 2,6-Difluoro-3-methylbenzoyl chloride?
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The CAS number is 261763-39-7 and the linear formula is CH3C6H2(F)2COCl.
What grade and purity does Tech Serve Solutions supply for 2,6-Difluoro-3-methylbenzoyl chloride?
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Tech Serve Solutions supplies 2,6-Difluoro-3-methylbenzoyl chloride with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How is 2,6-Difluoro-3-methylbenzoyl chloride safely handled?
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This compound is corrosive and harmful if swallowed. Handling requires appropriate personal protective equipment including chemical-resistant gloves, eye protection (goggles and face shield), and respiratory protection. Ensure adequate ventilation. Refer to the Safety Data Sheet (SDS) for detailed information.
How is 2,6-Difluoro-3-methylbenzoyl chloride packed and exported?
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2,6-Difluoro-3-methylbenzoyl chloride is packed in compliance with transport regulations, typically as UN 3265, Class 8, Packing Group II. TSS exports this chemical globally, adhering to all international shipping requirements.
How can I request a quote or sample for 2,6-Difluoro-3-methylbenzoyl chloride?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your contact details and the product CAS number (261763-39-7).
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