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: 2026-01-13 11:25:01

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.