[044150] CAS 1898-66-4 | 2,2-Diphenyl-1-picrylhydrazyl (free radical), 95%
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Brand: Alfa Aesar
1898-66-4 | C18H13N5O6 | DPPH
Chemical Identifiers
CAS
1898-66-4
Molecular Weight (g/mol)
395.33
Synonym
DPPH
SMILES
[O-][N+](=O)C1=CC(=C(NN(C2=CC=CC=C2)C2=CC=CC=C2)C(=C1)[N+]([O-])=O)[N+]([O-])=O
InChI Key
WCBPJVKVIMMEQC-UHFFFAOYSA-N
Molecular Formula
C18H13N5O6
IUPAC Name
1,1-diphenyl-2-(2,4,6-trinitrophenyl)hydrazine
Specifications
Appearance (Color)
Green to black
Assay (unspecified)
≥90.0% ( Elemental analysis or HPLC)
Form
Powder
설명
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.
Other References:
Merck Index:14,3330
GHS Hazard and Precautionary Statements
Hazard Statements:H317-H334
GHS H StatementH334-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction.
Precautionary Statements:P261-P272-P280g-P285-P302+P352-P304+P341-P333+P313-P342+P311-P363-P501c
Risk & Safety
TSCA:YesRTECS Number:MW3250000
경고:RUO – Research Use Only
CAS1898-66-4FORMULAC18H13N5O6EINECS217-591-8MDLMFCD00007231
| Pakage | 250mg |
|---|---|
| brand | Alfa Aesar |
