4-Nitrophenyl trifluoromethanesulfonate
4-Nitrophenyl trifluoromethanesulfonate (CAS: 17763-80-3) is a reactive organic compound with the chemical formula CF3SO3C6H4NO2 and a molecular weight of 271.17 g/mol. Characterised by its triflate ester functionality, it serves as a valuable building block in organic synthesis, particularly in reactions involving the introduction of the 4-nitrophenoxy group. It is widely utilised in chemical research and development for the construction of complex molecules.
- IUPAC
- 4-Nitrophenyl triflate

Organic Synthesis Reagent
4-Nitrophenyl trifluoromethanesulfonate functions as an effective triflating agent, enabling the synthesis of various organic compounds. It is particularly useful for the introduction of the 4-nitrophenoxy group into target molecules.
Building Block in Pharmaceutical Research
This compound acts as a crucial intermediate in the development of novel pharmaceutical agents. Its structure allows for diverse functionalization pathways, supporting medicinal chemistry efforts.
Chemical Research and Development
Used extensively in academic and industrial laboratories, 4-Nitrophenyl trifluoromethanesulfonate aids in exploring new synthetic methodologies and developing innovative chemical entities.
| Molecular weight | 271.17 |
|---|---|
| Linear formula | CF3SO3C6H4NO2 |
| Assay | 99% |
| Melting point | 52-55 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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-Nitrophenyl trifluoromethanesulfonate used for?
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4-Nitrophenyl trifluoromethanesulfonate is primarily used as a reagent in organic synthesis, acting as a triflating agent and a building block for introducing the 4-nitrophenoxy group in the synthesis of complex organic molecules, including in pharmaceutical research.
What are the CAS number and formula for 4-Nitrophenyl trifluoromethanesulfonate?
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The CAS number for 4-Nitrophenyl trifluoromethanesulfonate is 17763-80-3, and its chemical formula is CF3SO3C6H4NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Nitrophenyl trifluoromethanesulfonate with an assay of 99%. TSS does not represent this product as USP, BP, or EP grade; it is suitable for research and laboratory applications.
What are the safety considerations when handling 4-Nitrophenyl trifluoromethanesulfonate?
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4-Nitrophenyl trifluoromethanesulfonate is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, faceshields, chemical-resistant gloves, and respiratory protection, must be used. Handle in a well-ventilated area.
How is 4-Nitrophenyl trifluoromethanesulfonate shipped?
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4-Nitrophenyl trifluoromethanesulfonate is shipped according to UN 3261, Class 8, Packing Group III regulations for corrosive solid organic, acidic, n.o.s. shipments.
How can I request a sample or quote for 4-Nitrophenyl trifluoromethanesulfonate?
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To request a sample or a quote for 4-Nitrophenyl trifluoromethanesulfonate, please contact the Tech Serve Solutions sales team through our website or by phone.
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