1,3,5-Tri-tert-butyl-2-nitrosobenzene
1,3,5-Tri-tert-butyl-2-nitrosobenzene (CAS 24973-59-9) is an organic nitrogen compound with a molecular weight of 275.43 g/mol. This compound is primarily utilised as a spin trapping reagent in various chemical synthesis applications. Its unique structure allows it to capture and stabilise short-lived free radicals, facilitating their study and characterisation in research and industrial settings.
- IUPAC
- 2,4,6-Tri-tert-butylnitrosobenzene,2-Nitroso-1,3,5-tri-tert-butylbenzene,TTBNB
- Synonyms
- 24973-59-9C18H29NO2,4,6-Tri-tert-butylnitrosobenzene2-Nitroso-1,3,5-tri-tert-butylbenzeneTTBNB

Spin Trapping Reagent
1,3,5-Tri-tert-butyl-2-nitrosobenzene is employed as a specialised spin trapping agent. It reacts with transient free radicals to form more stable nitroxide radicals, which can be detected and quantified using techniques like electron paramagnetic resonance (EPR) spectroscopy.
Chemical Synthesis
As a versatile building block, this nitroso compound finds application in organic synthesis. It can participate in reactions where the introduction of a nitroso group or the trapping of reactive intermediates is desired for further molecular construction.
Free Radical Chemistry Research
Its ability to stabilise free radicals makes it an invaluable tool for researchers investigating reaction mechanisms involving radical species. This aids in understanding complex chemical processes across diverse scientific disciplines.
| Molecular weight | 275.43 |
|---|---|
| Empirical formula | C18H29NO |
| Assay | ≥97.0% (GC)≥97.0% |
| Application | Spin Trapping Reagent |
| Melting point | 168-173 °C |
Hazard statements
- H413May cause long-lasting harmful effects to aquatic life
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 1,3,5-Tri-tert-butyl-2-nitrosobenzene used for?
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1,3,5-Tri-tert-butyl-2-nitrosobenzene (CAS 24973-59-9) is primarily used as a spin trapping reagent in chemical synthesis and for research into free radical chemistry.
What is the CAS number and chemical formula for 1,3,5-Tri-tert-butyl-2-nitrosobenzene?
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The CAS number for 1,3,5-Tri-tert-butyl-2-nitrosobenzene is 24973-59-9. The empirical formula is C18H29NO, and it has a molecular weight of 275.43 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3,5-Tri-tert-butyl-2-nitrosobenzene with an assay of ≥97.0% (GC). This product is suitable for research and chemical synthesis applications; TSS does not represent it as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling requirements for 1,3,5-Tri-tert-butyl-2-nitrosobenzene?
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This compound may cause long lasting harmful effects to aquatic life (H413). Appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or P1 (EN143) respirator filter, should be used. Handle in a well-ventilated area.
How is 1,3,5-Tri-tert-butyl-2-nitrosobenzene packed and shipped?
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Tech Serve Solutions ensures secure packaging for all chemicals, adhering to international shipping regulations for export. Specific packaging details are available upon request for bulk or international orders.
How can I request a sample or quote for 1,3,5-Tri-tert-butyl-2-nitrosobenzene?
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To request a sample or a quotation for 1,3,5-Tri-tert-butyl-2-nitrosobenzene, please contact our sales department via the website or by phone, providing your details and the quantity required.
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