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382000

4-Carboxy-TEMPO, free radical

97%

Synonym(s):

4-Carboxy-2,2,6,6-tetramethylpiperidine 1-oxyl, 4-Carboxy-2,2,6,6-tetramethylpiperidinyloxy, free radical, 4-Carboxy-TEMPO

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About This Item

Empirical Formula (Hill Notation):
C10H18NO3
CAS Number:
37149-18-1
Molecular Weight:
200.25
UNSPSC Code:
12352000
NACRES:
NA.22
PubChem Substance ID:
24863856
MDL number:
MFCD00134569
Beilstein/REAXYS Number:
3949026
Assay:
97%
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Quality Segment

200

assay

97%

mp

185-189 °C (lit.)

functional group

carboxylic acid

storage temp.

2-8°C

SMILES string

CC1(C)CC(CC(C)(C)N1[O])C(O)=O

InChI

1S/C10H18NO3/c1-9(2)5-7(8(12)13)6-10(3,4)11(9)14/h7H,5-6H2,1-4H3,(H,12,13)

InChI key

CYQGCJQJIOARKD-UHFFFAOYSA-N

General description

4-Carboxy-TEMPO is a 4-substituted 2,2,6,6-tetramethylpiperidyl-1-oxy (TEMPO) derivative. 4-carboxy-TEMPO immobilized with 3-aminopropylsilane on the mesoporous silica surface comprises heterogeneous catalytic system employed for various oxidation reactions.

Application

4-Carboxy-TEMPO may be employed as catalyst for the oxidation of regenerated cellulose (viscose rayon) to cellouronic acid.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000547870
0000514088
0000547870
0000514088
0000289023

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Articles

TEMPO催化氧化

TEMPO（2,2,6,6-四甲基哌啶氧基或2,2,6,6-四甲基哌啶1-氧基）及其衍生物在有机氧化反应催化剂中可以作为稳定的硝酰基使用。TEMPO由Lebedev和Kazarnovskii于1960年发现，其具有的稳定自由基性质得益于其庞大的取代基团阻碍了自由基与其他分子之间发生反应。

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PloS one, 8(6), e64722-e64722 (2013-06-14)
In this study, the host-guest behavior of poly(amidoamine) (PAMAM) dendrimers bearing amine, hydroxyl, or carboxylate surface functionalities were investigated by paramagnetic NMR studies. 2,2,6,6-Tetramethylpiperidinyloxy (TEMPO) derivatives were used as paramagnetic guest molecules. The results showed that TEMPO-COOH significantly broaden the
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Global Trade Item Number

SKUGTIN
382000-250MG04061833482513