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  6. 2,2-Diphenyl-1-picrylhydrazyl (free radical), 95%

2,2-Diphenyl-1-picrylhydrazyl (free radical), 95%

Catalog No. AA44150MD
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250 mg
1 g
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Catalog No. Quantity
AA44150MD 250 mg
AA4415003 1 g
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Catalog No. AA44150MD Supplier Thermo Scientific Chemicals Supplier No. 044150MD
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Description

CAS: 1898-66-4 | C18H12N5O6

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS 1898-66-4
Molecular Formula C18H12N5O6
MDL Number MFCD00007231
Synonym DPPH

Specifications

Color Black to Green
Quantity 250 mg
Merck Index 14,3330
Solubility Information Soluble in dimethyl formamide,ethanol,chloroform,ether,carbon disulfinde,acetone,oils,carbon tetrachloride,glacial acetic acid and toluene. Insoluble in water.
Formula Weight 394.32
Percent Purity 95%
Physical Form Powder
Chemical Name or Material 2,2-Diphenyl-1-picrylhydrazyl (free radical)

Safety and Handling

Hazard Category H317-H334
Hazard Statement GHS H Statement
H334-H317
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause an allergic skin reaction.
Precautionary Statement P261-P272-P280g-P285-P302+P352-P304+P341-P333+P313-P342+P311-P363-P501c
EINECSNumber 217-591-8
RTECSNumber MW3250000
TSCA Yes
Recommended Storage Keep cold

RUO – Research Use Only