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382000

Sigma-Aldrich

4-羧基-TEMPO 自由基

97%

同義詞:

4-羧基-2,2,6,6-四甲基哌啶 1-氧基, 4-羧基-2,2,6,6-四甲基哌啶氧自由基, 4-羧基-TEMPO

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About This Item

經驗公式（希爾表示法）:
C10H18NO3
CAS號碼:
37149-18-1
分子量：:
200.25
Beilstein:
3949026
MDL號碼:
MFCD00134569
分類程式碼代碼:
12352000
PubChem物質ID:
24863856
NACRES:
NA.22

化驗

97%

mp

185-189 °C (lit.)

官能基

carboxylic acid

儲存溫度

2-8°C

SMILES 字串

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 密鑰

CYQGCJQJIOARKD-UHFFFAOYSA-N

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一般說明

4-羧基-TEMPO 是 4-取代的 2,2,6,6-四甲基哌啶基-1-氧 (TEMPO) 衍生物。4-羧基-TEMPO 与 3-氨基丙基硅烷固定在介孔二氧化硅表面，组成多相催化系统，用于各种氧化反应。

應用

4-羧基-TEMPO 可用作将再生纤维素（粘胶纤维）氧化为纤维素酸的催化剂。

象形圖

Exclamation mark
GHS07

訊號詞

Warning

危險聲明

H315,H319,H335

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

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分析證明 (COA)

Lot/Batch Number
BGBC2285V
BGBC0893V
BGBB2840V
BGBB2840
BGBB1897

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Three water-soluble carboxy nitroxide antioxidants, 5-carboxy-1,1,3,3-tetramethylisoindolin-2-yloxyl, 4-carboxy-2,2,6,6-tetramethylpiperidin-1-yloxyl, and 3-carboxy-2,2,5,5-tetramethylpyrrolidin-1-yloxyl, show significant impact on the postirradiation survival rates of ataxia telangiectasia (A-T) cells compared to normal cells, an assay which represents a model for understanding the impact of ROS damage on
X Yang et al.
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文章

TEMPO Catalyzed Oxidations

TEMPO (2,2,6,6-Tetramethylpiperidinyloxy or 2,2,6,6-Tetramethylpiperidine 1-oxyl) and its derivatives are stable nitroxy radicals used as catalysts in organic oxidation reactions. TEMPO was discovered by Lebedev and Kazarnovskii in 1960. The stable free radical nature of TEMPO is due to the presence of bulky substituent groups, which hinder the reaction of the free radical with other molecules.

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