CAS 2896-70-0; 4-氧基-四甲基哌啶氧自由基; 2,2,6,6-tetramethyl-4-oxo-piperidinoox

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O837355

MACKLIN

4-氧-2,2,6,6-四甲基哌啶-1-氧自由基

95%

30元/1g; 75元/5g; 258元/25g; 825元/100g; 3100元/500g;

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储存：-20℃，避光
状态：黄色-橙色到橙色晶体或结晶粉末

O0266

TCI

4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

>95.0%(GC)(T)

760元/5G; 1640元/25G;

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基本信息

纯度/分析方法	>95.0%(GC)(T)
分子式/分子量	C₉H₁₆NO₂ = 170.23
外观与形状(20℃)	固体
储存温度	<0℃
储存在惰性气体下	存放于惰性气体之中
应避免的情况	空气,加热
Reaxys-RN	1818579
PubChem物质ID	87574255
MDL编号	MFCD00006187

技术规格

Appearance	Light yellow to Brown powder to crystal
Purity(GC)	min. 99.0 %
Purity(Iodometric Titration)	min. 95.0 %
Melting point	35.0 to 39.0 ℃

物性(参考值)

熔点

37 ℃

安全信息

图形或危害标志
信号词	警告
危险性说明	H302 : 吞咽有害。 H317 : 可能造成皮肤过敏反应。 H410 : 对水生生物毒性极大并具有长期持续影响。
防范说明	P501 : 将内装物/容器送到批准的废物处理厂处理。 P261 : 避免吸入粉尘/烟/气体/烟雾/蒸气/喷雾。 P273 : 避免释放到环境中。 P272 : 受沾染的工作服不得带出工作场地。 P270 : 使用本产品时不要进食、饮水或吸烟。 P264 : 作业后彻底清洗皮肤。 P280 : 戴防护手套。 P302 + P352 : 如皮肤沾染：用水充分清洗。 P391 : 收集溢出物。 P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。 P333 + P313 : 如发生皮肤刺激或皮疹：求医/就诊。 P301 + P312 + P330 : 如误吞咽：如感觉不适，呼叫急救中心/医生。漱口。

相关法规

RTECS#

TN9200000

运输信息

UN编号	UN3077
类别	9
包装类别	III
监管条件代码(*)

384848

J&K

4-Oxo-2,2,6,6-tetramethylpiperidinooxy

96%

212元/1G; 656元/5G;

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基本信息

分子式	C₉H₁₆NO₂
分子量	170.23
熔点	33-38
MDL编码	MFCD00006187
Beilstein	1818579
EINECS 编号	220-778-7
存储条件	Store at 2-8℃

安全信息

图形或危害标志
提示语	Warning
危险说明	H400
防范说明	P273
UN号码	3077
危险分类	9
包装等级	III
WGK	3
RTECS	TN9200000
TSCA	是

L01084

Alfa Aesar

4-Oxo-TEMPO

free radical, 96%

645元/1g; 2164元/5g;

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应用
4-Oxo-Tempo, Free radical is used as a useful Spin Trap for in Vitro Experiments. Reaction Between Tempone And Biologically Significant Reactive Oxygen Species can be monitored By Esr Spectroscopy. It is also used In the synthesis And Reactions Of Stable Nitroxyl Radicals.

备注
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away from oxidizing agents. Stable under recommended storage conditions.

基本信息

MDL
MFCD00006187

EINECS
220-778-7

分子式
C₉H₁₆NO₂

分子量
170.23

熔点
36-40°

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Soluble in water (partly), acetone, DMSO, 100% ethanol, and diethylether. Insoluble in water.

Beilstein
1818579

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P280g-P305+P351+P338
Wear protective gloves.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

RTECS
TN9200000

TSCA
是

179485

Sigma-Aldrich

4-Oxo-TEMPO

734.01元/1 G; 1658.73元/5 G;

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产品说明

一般描述

4-氧代-TEMPO 是由2,2,6,6-四甲基-4-哌啶酮 (4-Oxo-TMP) 与¹O₂反应生成的。它是 TiO₂在水悬浮液中辐照时形成的稳定的顺磁性产物。

应用

自由基氮氧化物自旋探针通常用于：

锂二次电池阳极氧化还原源的研究
自由基生物学研究
自由基自旋俘获
电子顺磁共振研究
聚合物化学和合成应用

以 4-氧代-TEMPO 为氮氧化物标准品，用 ESR 波谱研究了 TiO₂ 在乙醇中光激反应生成单重态氧的过程。它可作为自由基极化剂用于动态核极化 (DNP) 研究。

包装

1, 5 g in glass bottle

基本信息

经验(实验)分子式	C₉H₁₆NO₂
分子量	170.23
EC 号	220-778-7
MDL编号	MFCD00006187
PubChem化学物质编号	24850816
NACRES	NA.22

产品性质

质量水平	100
储存温度	2-8℃
SMILES string	CC1(C)CC(=O)CC(C)(C)N1[O]
InChI	1S/C9H16NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h5-6H2,1-4H3
InChI key	WSGDRFHJFJRSFY-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Warning
危险声明	H400
预防措施声明	P273
危险分类	Aquatic Acute 1
储存分类代码	13 - Non Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	Eyeshields, Gloves, type N95 (US)

342240

Fluorochem

2,2,6,6-Tetramethyl-4-piperidone 1-oxyl

96%

220元/1g; 1694元/25g; 5324元/100g;

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基本信息

CAS Number	2896-70-0
MDL Number	MFCD00006187
Melting Point	36-38℃

安全信息

图形或危害标志
危险性说明	H302: Harmful if swallowed. H315: Causes skin irritation. H319: Causes serious eye irritation. H332: Harmful if inhaled. H335: May cause respiratory irritation. H400: Very toxic to aquatic life.
防范说明	P233: Keep container tightly closed. P260: Do not breathe . P261: Avoid breathing . P264: Wash hands thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P271: Use only outdoors or in a well-ventilated area. P273: Avoid release to the environment. P280: Wear . 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. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see relevant procedures. on this label). P330: Rinse mouth. P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/attention. P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362: Take off contaminated clothing and wash before reuse. P391: Collect spillage. P403: Store in a well-ventilated place. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents/container to in accordance with local regulation .