Synonym: 2,2-Bis[4-(1,1,3,3-tetramethylbutyl)phenyl]-1-(2,4,6-trinitrophenyl)hydrazinyl; 2,2-Bis[4-(1,1,3,3-tetramethylbutyl)phenyl]-1-(2,4,6-trinitrophenyl)hydrazinyl; 2,2-Di(4-tert-octylphenyl)-1-picrylhydrazyl; DPPH
CAS Number: 84077-81-6
Empirical Formula (Hill Notation): C34H44N5O6
Molecular Weight: 618.74
MDL Number: MFCD00012032
Linear Formula: C34H44N5O6
Product Type: Chemical
λmax |
531 nm |
form |
solid |
InChI |
1S/C34H44N5O6/c1-31(2,3)21-33(7,8)23-11-15-25(16-12-23)36(26-17-13-24(14-18-26)34(9,10)22-32(4,5)6)35-30-28(38(42)43)19-27(37(40)41)20-29(30)39(44)45/h11-20H,21-22H2,1-10H3 |
InChI key |
CLOCMRDQPYXVKP-UHFFFAOYSA-N |
mp |
171 °C (dec.) (lit.) |
Quality Level |
100 |
SMILES string |
CC(C)(C)CC(C)(C)c1ccc(cc1)N([N]c2c(cc(cc2[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)c3ccc(cc3)C(C)(C)CC(C)(C)C |
storage temp. |
2-8°C |
Application: |
2,2-Di(4-tert-octylphenyl)-1-picrylhydrazyl can be used as a calibration standard in electron paramagnetic spectroscopy (EPR) and as a radical scavenger in polymers. It is also used as an efficient reagent in the “DPPH calorimetric assay” to study radical scavenging activities of diverse chemical compounds, mostly of phenolic nature. When DDPF reacts with antioxidant molecules, its color changes from deep purple to pale yellow, which allows the spectrophotometric determination of the antioxidant activity. |
General description: |
2,2-Di(4-tert-octylphenyl)-1-picrylhydrazyl (DPPH) is classified as a “stable” free radical since it has a long shelf life and can be synthesized and stored under normal laboratory conditions. |
Packaging: |
100 mg in clear glass bottle |
RIDADR |
NONH for all modes of transport |
WGK Germany |
WGK 3 |
Flash Point(F) |
Not applicable |
Flash Point(C) |
Not applicable |
mp |
171 °C (dec.) (lit.) |
Storage Temp. |
2-8°C |
UNSPSC |
12352005 |