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2,2-Diphenyl-1-picrylhydrazyl (free radical)

2,2-联苯基-1-苦基肼基 (自由基)

品牌
Alfa Aesar
CAS
1898-66-4
货号
044150
包装型号
规格纯度
95%
价格
663 *本价格含增值税费
促销
服务
  • 原厂保证
  • 包邮
  • 增值税票
数量
- +
半岛bd体育手机客户端 名称:
1898-66-4
2,2-Diphenyl-1-picrylhydrazyl (free radical)
2,2-联苯基-1-苦基肼基 (自由基)
DPPH
半岛bd体育手机客户端 介绍:

应用
2,2-Diphenyl-1-picrylhydrazyl is used as a sensitive colorimetric free radical scavenger. It serves as a general antioxidant detector. It is utilized to monitor chemical reactions involving radicals as well as a standard of the position and intensity of electron paramagnetic resonance signals. Further, it is employed in the quantitative determination of aliphatic and aromatic thiols by indirect spectroscopy and for photometric determination of tocopherol.

备注
Store in a cool place. Incompatible with oxidizing agents and strong bases.

基本信息

MDL
MFCD00007231

EINECS
217-591-8

分子式
C18H12N5O6

分子量
394.32

灵敏度
Keep Cold.

形态
Powder

溶解性
Soluble in dimethyl formamide, ethanol, chloroform, ether, carbon disulfinde, acetone, oils, carbon tetrachloride, glacial acetic acid and toluene. Insoluble in water.

Merck
14,3330

GHS危害和防范说明

GHS符号

Hazard Statements
H334-H317
May cause allergy or asthma symptoms or breathing difficulties if inhaled.May cause an allergic skin reaction.

Precautionary Statements
P284-P261-P280g-P304+P340-P342+P311a-P501a
Wear respiratory protection.Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
42/43
May cause sensitization by inhalation and skin contact.

安全等级
22-24-37-45-60
Do not breathe dust.Avoid contact with skin.Avoid contact with skin.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste

欧盟危险品标志

RTECS
MW3250000

TSCA

阿法埃莎

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