4-Bromo-2,3,5,6-tetrafluoroaniline
4-Bromo-2,3,5,6-tetrafluoroaniline (CAS: 1998-66-9) is a fluorinated aromatic amine with the molecular formula BrC 6 F 4 NH 2 and a molecular weight of 243.98 g/mol. This compound serves as a valuable building block in organic synthesis, particularly for the introduction of tetrafluorinated phenyl moieties into larger molecular structures. It is commonly employed in the development of advanced materials and specialised chemical intermediates.
- Synonyms
- 6-tetrafluoroaniline1998-66-9BrC6F4NH2

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of complex organic molecules. Its unique structure allows for the incorporation of fluorinated aromatic rings into target compounds.
Pharmaceutical Research
Utilised in the research and development of novel pharmaceutical agents. The tetrafluorinated aniline core can influence pharmacokinetic properties and binding affinities.
Materials Science
Applicable in the creation of advanced materials, including polymers and liquid crystals, where the fluorine atoms can impart desirable thermal and electronic properties.
Agrochemical Development
May be used as a building block in the synthesis of new agrochemical compounds, potentially influencing their efficacy and environmental profile.
| Molecular weight | 243.98 |
|---|---|
| Linear formula | BrC6F4NH2 |
| Assay | 98% |
| Melting point | 59-61 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- 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) | 20/21/22-36/37/38 |
| 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 4-Bromo-2,3,5,6-tetrafluoroaniline used for?
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4-Bromo-2,3,5,6-tetrafluoroaniline is primarily used as a building block in organic synthesis for creating complex molecules, with applications in pharmaceutical research and materials science.
What are the CAS number and molecular formula for 4-Bromo-2,3,5,6-tetrafluoroaniline?
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The CAS number is 1998-66-9 and the molecular formula is BrC 6 F 4 NH 2 .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-2,3,5,6-tetrafluoroaniline with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Bromo-2,3,5,6-tetrafluoroaniline be handled safely?
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Handling requires appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves. It is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation, and may cause respiratory irritation (H302-H312-H315-H319-H332-H335).
Is 4-Bromo-2,3,5,6-tetrafluoroaniline available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Bromo-2,3,5,6-tetrafluoroaniline.
How can I request a quote or sample for 4-Bromo-2,3,5,6-tetrafluoroaniline?
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Please contact our sales team to request a quote or a sample of 4-Bromo-2,3,5,6-tetrafluoroaniline.
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