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8.40130

4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl

(free radical) for synthesis

Synonym(s):

4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl, 4-Hydroxy-TEMPO

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About This Item

Empirical Formula (Hill Notation):
C9H18NO2
CAS Number:
2226-96-2
Molecular Weight:
172.24
UNSPSC Code:
12352119
EC Index Number:
218-760-9
NACRES:
NA.22
MDL number:
MFCD00006478
Assay:
≥95.0% (GC)
Form:
crystals
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vapor pressure

<0.01 hPa ( 20 °C)

Quality Level

200

assay

≥95.0% (GC)

form

crystals

autoignition temp.

260 °C (DIN 51794)

potency

1053 mg/kg LD50, oral (Rat)

pH

8.2 (20 °C, 20 g/L in H2O)

mp

67-71 °C

transition temp

flash point 146 °C (DIN 51758)

solubility

1670 g/L

storage temp.

2-30°C

SMILES string

[N+]1(C(CC(CC1(C)C)O)(C)C)[O-]

InChI

1S/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3

InChI key

UZFMOKQJFYMBGY-UHFFFAOYSA-N

Application


  • Vitamin C Determination: A study that utilizes TEMPO for a simple and rapid determination of vitamin C content in various fruits, showcasing an economical approach to antioxidant testing (Ihara et al., 2017).

  • Herbicide Development: A study on the synthesis of phenoxy carboxylic herbicides based on the piperidine scaffold, where TEMPO derivatives showed unexpected fungicidal activity (Zakrzewski & Krawczyk, 2014).


Analysis Note

Assay (GC, area%): ≥ 95.0 % (a/a)
Melting range (lower value): ≥ 67 °C
Melting range (upper value): ≤ 71 °C
Identity (IR): passes test

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - STOT RE 2 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

294.8 °F - DIN 51758

flash_point_c

146 °C - DIN 51758

target_organs

Liver,spleen

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Global Trade Item Number

SKUGTIN
840130010004022536625270
840130002504022536625263

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