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2,2-Diphenyl-1-picrylhydrazyl (free radical), 95%, Thermo Scientific Chemicals Product Code.: 11309658
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2,2-Diphenyl-1-picrylhydrazyl (free radical), 95%, Thermo Scientific Chemicals

Product Code. 11309658
250 mg
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Quantity:
250 mg
1 g
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Product Code. 11309658

Brand: Thermo Scientific Alfa Aesar 044150.MD

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Description

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.

TRUSTED_SUSTAINABILITY

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)

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5 results found
Lot Number Certificate Type Date Catalog Number
Lot NumberY05K038 Certificate TypeCertificate of Analysis Date06/12/2024 Catalog Number044150.03,044150.MD
Lot NumberY25K023 Certificate TypeCertificate of Analysis Date26/11/2024 Catalog Number044150.03,044150.MD
Lot NumberX17K011 Certificate TypeCertificate of Analysis Date14/11/2024 Catalog Number044150.03,044150.MD
Lot NumberX25K022 Certificate TypeCertificate of Analysis Date08/11/2024 Catalog Number044150.03,044150.MD
Lot NumberY28I021 Certificate TypeCertificate of Analysis Date17/01/2023 Catalog Number044150.03,044150.MD

Safety and Handling

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Product Identifier
  • 2,2-Diphenyl-1-picrylhydrazyl (free radical)
 Signal Word
  • Danger
 Hazard Category
  • Respiratory sensitiser Category 1
  • Skin sensitiser Category 1
 Hazard Statement
  • H317-May cause an allergic skin reaction.
  • H334-May cause allergy or asthma symptoms or breathing difficulties if inhaled.
 Precautionary Statement
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P284-¢In case of inadequate ventilation! wear respiratory protection.
  • P302+P352-IF ON SKIN: Wash with plenty of water/soap.
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P333+P313-If skin irritation or rash occurs: Get medical advice/attention.
  • P342+P311-If experiencing respiratory symptoms: Call a POISON CENTER/doctor/ .
 Supplemental information
  • MIXTURE LIST-Contains : 2,2-Diphenyl-1-picrylhydrazyl
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