3,4-Dimethyl-N-(4-fluorobenzylidene)aniline
3,4-Dimethyl-N-(4-fluorobenzylidene)aniline (CAS 198879-69-5) is a fluorinated organic building block with the linear formula FC6H4CH=NC6H3(CH3)2 and a molecular weight of 227.28 g/mol. This compound serves as a valuable intermediate in organic synthesis. It is commonly employed in the development of novel chemical entities and is particularly useful for introducing fluorinated aryl moieties into more complex molecular structures. Its applications span research and development across various chemical sectors.
- IUPAC
- N-(4-Fluorobenzylidene)-3,4-xylidine
- Synonyms
- FC6H4CH=NC6H3(CH3)2N-(4-Fluorobenzylidene)-3,4-xylidine

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of diverse organic molecules. Its structure allows for further chemical transformations, making it a versatile component in multi-step synthetic routes.
Fluorinated Building Block
As a fluorinated building block, it is utilised in research and development for creating compounds with tailored electronic and physical properties. The fluorine atom can significantly influence reactivity and biological activity.
Chemical Research and Development
Primarily used in R&D settings, this chemical enables chemists to explore new synthetic pathways and develop novel materials. It is suitable for laboratory-scale investigations and process development.
| Molecular weight | 227.28 |
|---|---|
| Linear formula | FC6H4CH=NC6H3(CH3)2 |
| Assay | 97% |
| Melting point | 49-53 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | >109 °C / >228.2 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-37/38-41-50/53 |
| Safety statements (S) | 26-36-60-61 |
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 3,4-Dimethyl-N-(4-fluorobenzylidene)aniline used for?
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3,4-Dimethyl-N-(4-fluorobenzylidene)aniline is used as an intermediate in organic synthesis, particularly as a fluorinated building block for developing novel chemical entities and materials in research and development.
What are the CAS number and formula for 3,4-Dimethyl-N-(4-fluorobenzylidene)aniline?
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The CAS number is 198879-69-5 and the linear formula is FC6H4CH=NC6H3(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. It is provided as a research-grade chemical and TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades.
What are the main safety hazards associated with this compound?
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This compound is classified with Danger as a signal word. It presents hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), H335 (May cause respiratory irritation), and H410 (Very toxic to aquatic life with long lasting effects). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be used.
How is 3,4-Dimethyl-N-(4-fluorobenzylidene)aniline packed, shipped, and exported?
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This chemical is shipped according to UN 3077 (Environmentally hazardous substance, solid, n.o.s.), Class 9, Packing Group III regulations. Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals.
How can I request a quote or sample of 3,4-Dimethyl-N-(4-fluorobenzylidene)aniline?
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To request a quote or sample, please contact our sales team through the TSS website or by calling our direct line. Our experts will assist you with your specific requirements.
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