Yu-Wasa Auxiliary
Yu-Wasa Auxiliary (CAS: 651-83-2), with the molecular formula CF3C6F4NH2 and a molar mass of 233.09 g/mol, is a fluorinated aniline derivative. It functions primarily as a ligand and auxiliary in chemical synthesis, particularly in C-H activation and catalysis. This compound is a valuable reagent for researchers and chemists developing novel synthetic methodologies and exploring inorganic chemistry applications, offered by Tech Serve Solutions.
- IUPAC
- 2,3,5,6,α,α,α-Heptafluoro-p-toluidine,2,3,5,6-Tetrafluoro-4-(trifluoromethyl)aniline
- Synonyms
- 2,3,5,6-Tetrafluoro-4-(trifluoromethyl)aniline2,3,5,6,α,α,α-Heptafluoro-p-toluidine

C-H Activation Reagent
Yu-Wasa Auxiliary serves as a key component in facilitating C-H activation reactions. Its unique structure allows for effective participation in catalytic cycles, enabling the functionalization of otherwise inert C-H bonds.
Ligand in Catalysis
This compound acts as a sophisticated ligand in various catalytic processes. It can coordinate with metal centres to influence reactivity, selectivity, and stability, making it useful in advanced inorganic chemistry.
Chemical Synthesis Intermediate
As a fluorinated aromatic amine, Yu-Wasa Auxiliary can be employed as an intermediate in the synthesis of complex organic molecules. Its incorporation can impart specific electronic and steric properties to target compounds.
| Molecular weight | 233.09 |
|---|---|
| Linear formula | CF3C6F4NH2 |
| Assay | 97% |
| Boiling point | 186 °C(lit.) |
| Density | 1.662 g/mL at 25 °C1.687 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.431(lit.)n20/D 1.432 |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Flash point | >110 °C / >230 °F |
|---|---|
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 Yu-Wasa Auxiliary used for?
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Yu-Wasa Auxiliary is primarily used in chemical synthesis as a ligand and auxiliary, particularly for C-H activation reactions and in catalysis and inorganic chemistry.
What is the CAS number and molecular formula for Yu-Wasa Auxiliary?
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The CAS number is 651-83-2 and the molecular formula is CF3C6F4NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Yu-Wasa Auxiliary with an assay of 97%. This is a technical grade, and TSS does not represent it as USP, BP, or EP.
How should Yu-Wasa Auxiliary be handled?
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Yu-Wasa Auxiliary is classified as a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment and ensure good ventilation. Refer to the Safety Data Sheet for full handling instructions.
Is Yu-Wasa Auxiliary a controlled substance?
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The provided data does not indicate that Yu-Wasa Auxiliary is a controlled substance.
How is Yu-Wasa Auxiliary packed, shipped, and exported?
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Yu-Wasa Auxiliary is shipped according to relevant regulations, including UN NA 1993 / PGIII. Specific packaging details are available upon request.
How can I request a sample or quote for Yu-Wasa Auxiliary?
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To request a sample or a quote for Yu-Wasa Auxiliary, please contact the Tech Serve Solutions sales team through our official channels.
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