4-Benzoyloxy-TEMPO
Synonym(s):4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-oxyl benzoate;4-Hydroxy-TEMPO benzoate
- CAS NO.：3225-26-1
- Empirical Formula: C16H22NO3*
- Molecular Weight: 276.35
- MDL number: MFCD00075563
- EINECS: 807-702-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:54:49
What is 4-Benzoyloxy-TEMPO?
Chemical properties
orange crystalline powder
The Uses of 4-Benzoyloxy-TEMPO
4-Hydroxy-TEMPO Benzoate, Free Radical is a recycling catalyst in a hypochlorite/bromite-nitroxide oxidizing system for conversion of alcohols to aldehydes, ketones, and carboxylic acids. It circumvents the need to use a catalytic or stoichiometric heavy metal oxidant.
The Uses of 4-Benzoyloxy-TEMPO
Recycling catalyst in hypochlorite/bromite-nitroxide oxidizing system for conversion of alcohols to aldehydes, ketones, and carboxylic acids. It circumvents the need to use a catalytic or stoichiometric heavy metal oxidant.
Definition
ChEBI: 4-hydroxy-TEMPO benzoate is a member of the class of piperidines that is TEMPO carrying a benzoyloxy group at position 4. It has a role as a radical scavenger and a spin probe. It is a member of aminoxyls, a member of piperidines and a benzoate ester. It is functionally related to a 4-hydroxy-TEMPO.
General Description
4-Hydroxy-TEMPO benzoate is a 4-substituted 2,2,6,6-tetramethylpiperidyl-1-oxy (TEMPO) derivative.
Properties of 4-Benzoyloxy-TEMPO
| Melting point: | 99-101 °C (lit.) |
| Density | 0.001g/cm3 at 20℃ |
| vapor pressure | 11.5Pa at 20℃ |
| form | Crystalline |
| color | Light yellow to Brown |
| BRN | 1431263 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 3225-26-1(CAS DataBase Reference) |
Safety information for 4-Benzoyloxy-TEMPO
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Benzoyloxy-TEMPO
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