N,N′-Terephthalylidene-bis(4-fluoroaniline)
N,N′-Terephthalylidene-bis(4-fluoroaniline), CAS 17866-84-1, with the linear formula FC6H4N=CHC6H4CH=NC6H4F, has a molecular weight of 320.34. This organofluorine compound serves as a valuable building block in organic synthesis. Its structure, featuring imine linkages and terminal fluoroaniline moieties, makes it suitable for constructing more complex molecules and materials in research and development settings, particularly within the field of fluorinated organic chemistry.
- IUPAC
- N,N′-(1,4-Phenylenedimethylidyne)bis(4-fluoroaniline),Terephthalbis(4-fluoroaniline)
- Synonyms
- FC6H4N=CHC6H4CH=NC6H4FN,N′-(1,4-Phenylenedimethylidyne)bis(4-fluoroaniline)Terephthalbis(4-fluoroaniline)

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its reactive sites allow for further functionalisation and elaboration into novel compounds.
Fluorinated Materials Research
Incorporated into research for developing new fluorinated organic materials. The presence of fluorine atoms can impart unique electronic and physical properties to derived substances.
Building Block for Specialty Chemicals
Serves as a foundational component for creating specialty chemicals. Its specific structure is beneficial for constructing targets in medicinal chemistry and materials science.
| Molecular weight | 320.34 |
|---|---|
| Linear formula | FC6H4N=CHC6H4CH=NC6H4F |
| Assay | 97% |
| Melting point | 151-155 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 N,N′-Terephthalylidene-bis(4-fluoroaniline) used for?
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N,N′-Terephthalylidene-bis(4-fluoroaniline) is primarily used as an intermediate and building block in organic synthesis, particularly in the development of fluorinated organic compounds and specialty chemicals.
What is the CAS number and formula for N,N′-Terephthalylidene-bis(4-fluoroaniline)?
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The CAS number is 17866-84-1, and the linear formula is FC6H4N=CHC6H4CH=NC6H4F.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N,N′-Terephthalylidene-bis(4-fluoroaniline) with an assay of 97%. We do not represent this product as USP, BP, EP or pharmacopoeia grade.
What are the safety and handling recommendations for this product?
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This compound is a Warning substance, harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). It is also suspected of causing long lasting harmful effects to aquatic life (H413). Recommended PPE includes a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid dust formation. In case of contact, rinse cautiously with water for several minutes.
How is N,N′-Terephthalylidene-bis(4-fluoroaniline) packed and shipped?
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Tech Serve Solutions packs and exports N,N′-Terephthalylidene-bis(4-fluoroaniline) according to international shipping regulations for chemical substances.
How can I request a sample or quote for N,N′-Terephthalylidene-bis(4-fluoroaniline)?
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To request a sample or quote, please contact our sales department via the website or direct inquiry. Provide the product name and CAS number for prompt service.
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