2,3,5,6-Tetrafluoro-p-xylene
2,3,5,6-Tetrafluoro-p-xylene (CAS: 703-87-7, Formula: C6F4(CH3)2) is a fluorinated organic building block with a molecular weight of 178.13 g/mol. Supplied at 99% purity, this compound serves as a key intermediate in organic synthesis, particularly for preparing more complex fluorinated aromatic structures. Its primary application involves its use in the synthesis of specialized chemical compounds, contributing to advancements in material science and research chemistry.
- Synonyms
- 6-Tetrafluoro-p-xylene703-87-7C6F4(CH3)2

Synthesis of Brominated Derivatives
2,3,5,6-Tetrafluoro-p-xylene is utilised as a precursor in the synthesis of 1,4-di-α-bromomethyl-2,3,5,6-tetrafluorobenzene. This reaction enables the introduction of reactive bromomethyl groups onto the tetrafluorinated aromatic ring.
Fluorinated Aromatic Building Block
As a functionalised aromatic compound, it acts as a valuable building block in organic synthesis. The presence of fluorine atoms and methyl groups offers specific reactivity and properties for creating novel fluorinated molecules.
Research and Development
This chemical finds application in research laboratories for exploring new synthetic routes and developing novel compounds with tailored properties. Its structure makes it suitable for investigations in areas requiring fluorinated organic materials.
| Molecular weight | 178.13 |
|---|---|
| Linear formula | C6F4(CH3)2 |
| Assay | 99% |
| Boiling point | 143-144 °C(lit.) |
| Storage temperature | 2-8°C |
| Application | 2,3,5,6-Tetrafluoro-p-xylene was used in the synthesis of 1,4-di-α-bromomethyl-2,3,5,6-tetrafluorobenzene1. |
| Melting point | 35-37 °C(lit.) |


Hazard statements
- H228Flammable solid
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 47 °C / 116.6 °F |
| Transport (UN / ADR) | UN 1325 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
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 2,3,5,6-Tetrafluoro-p-xylene used for?
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2,3,5,6-Tetrafluoro-p-xylene is used as a chemical intermediate, notably in the synthesis of 1,4-di-α-bromomethyl-2,3,5,6-tetrafluorobenzene and as a general building block in organic synthesis for creating fluorinated aromatic compounds.
What are the CAS number and formula for 2,3,5,6-Tetrafluoro-p-xylene?
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The CAS number is 703-87-7 and the linear formula is C6F4(CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3,5,6-Tetrafluoro-p-xylene with an assay of 99%. This is a technical/research grade, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia standard.
How should 2,3,5,6-Tetrafluoro-p-xylene be handled safely?
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Handling requires a dust mask (type N95 US), eyeshields, and gloves. It is a flammable solid (H228), causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Ensure adequate ventilation and avoid ignition sources.
How is this chemical exported and shipped?
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2,3,5,6-Tetrafluoro-p-xylene is exported and shipped according to international regulations for hazardous materials, classified under UN 1325, Hazard Class 4.1, Packing Group II.
How can I request a quote or sample?
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To request a quote or a sample of 2,3,5,6-Tetrafluoro-p-xylene, please contact our sales department via the website or direct inquiry.
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