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Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

Merck
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主要文件

214000

Sigma-Aldrich

TEMPO

greener alternative

98%

别名:

2,2,6,6-四甲基哌啶氧化物, 2,2,6,6-四甲基哌啶-1-氧自由基, TEMPO

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1 PKG
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About This Item

经验公式(希尔记法):
C9H18NO
CAS号:
分子量:
156.25
Beilstein:
1422418
EC 号:
MDL编号:
UNSPSC代码:
12352119
PubChem化学物质编号:
NACRES:
NA.22

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质量水平

方案

98%

表单

solid

反应适用性

reagent type: oxidant

环保替代产品特性

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

mp

36-38 °C (lit.)

环保替代产品分类

储存温度

2-8°C

SMILES字符串

CC1(C)CCCC(C)(C)N1[O]

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426369176141814681
TEMPO 98%

214000

TEMPO

TEMPO purified by sublimation, 99%

426369

TEMPO

assay

98%

assay

99%

assay

95%

assay

≥98.0% (GC)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

-

reaction suitability

reagent type: oxidant

mp

36-38 °C (lit.)

mp

36-38 °C (lit.)

mp

69-71 °C (lit.)

mp

39-40 °C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-30°C

form

solid

form

solid

form

solid

form

powder

一般描述

TEMPO(2,2,6,6-四甲基哌啶-1-氧自由基)是一种稳定的自由基,在有机合成中常用作氧化剂。[1]铜/TEMPO已用于伯醇氧化成醛的催化。[2]
我们致力于为您提供更环保的替代产品,以符合“绿色化学的12项原则”的一项或多项原则要求。该产品为增强型,提高了催化效率。点击此处,查看更多详情。

应用

TEMPO可用于:
  • 用作铜催化催化氧化剂,在有氧条件下更环保地氧化醇。
  • 用作二乙酸碘苯催化氧化剂,将神经醇氧化为神经醛。[3]
  • 在氮氧化物介导的苯乙烯自由基聚合过程中,用于捕获由过氧化苯甲酰生成的苯乙烯自由基。[4]
  • 羧化防水纳米纤化纤维素(NFC)膜。[5]

铜 (I)/TEMPO 催化空气氧化伯醇制醛

象形图

Corrosion

警示用语:

Danger

危险声明

危险分类

Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1C

储存分类代码

8A - Combustible corrosive hazardous materials

WGK

WGK 2

闪点(°F)

152.6 °F - closed cup

闪点(°C)

67 °C - closed cup

个人防护装备

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


  • 历史批次信息供参考:

    分析证书(COA)

    Lot/Batch Number

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    如果您需要特殊版本,可通过批号或批次号查找具体证书。

    已有该产品?

    在文件库中查找您最近购买产品的文档。

    访问文档库

    Geisslmeir, David; et al.
    Monatshefte fur Chemie / Chemical Monthly, 136(9), 1591-1599 (2005)
    Solvent effect on (2, 2, 6, 6-Tetramethylpiperidine-1-yl) oxyl (TEMPO): a RISM-SCF-SEDD study.
    Fernandez MJF and Sato H.
    Theoretical Chemistry Accounts, 130(2-3), 299-304 (2011)
    Block copolymer synthesis using a commercially available nitroxide-mediated radical polymerization (NMP) initiator.
    Lee NS and Wooley KL.
    Material Matters, 5, 8-15 (2010)
    Wan Ru Leow et al.
    Science (New York, N.Y.), 368(6496), 1228-1233 (2020-06-13)
    Chemicals manufacturing consumes large amounts of energy and is responsible for a substantial portion of global carbon emissions. Electrochemical systems that produce the desired compounds by using renewable electricity offer a route to lower carbon emissions in the chemicals sector.
    Organic Syntheses, 83, 18-18 (2006)

    商品

    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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