2,2-Diphenyl-1-picrylhydrazyl (DPPH), ขนาด 1 g, ยี่ห้อ Aldrich

DESCRIPTION

• General description 2,2-diphenyl-1-picrylhydrazyl is a free radical, which shows hydrogen acceptor ability towards antioxidants. Hence, it is commonly used in DPPH assay for measuring the antioxidant activity of different natural samples such as wine, fruits, herbal tea etc.
• Packaging 1, 5 g in glass bottle
• Other Notes Free radical

PROPERTIES

• form powder
• color green
• mp ~135 °C (dec.) (lit.)
• storage temp. 2-8°C
• SMILES string [O-][N+](=O)c1cc(c([N]N(c2ccccc2)c3ccccc3)c(c1)[N+]([O-])=O)[N+]([O-])=O
• InChI 1S/C18H12N5O6/c24-21(25)15-11-16(22(26)27)18(17(12-15)23(28)29)19-20(13-7-3-1-4-8-13)14-9-5-2-6-10-14/h1-12H
• InChI key HHEAADYXPMHMCT-UHFFFAOYSA-N

Specification

• Product Name 2,2-Diphenyl-1-picrylhydrazyl
• Product Number D9132
• Product Brand ALDRICH
• CAS Number 1898-66-4
• Molecular Weight 394.32

TEST SPECIFICATION

APPEARANCE (COLOR) Green to Very Dark Green and Black

APPEARANCE (FORM) Powder

SOLUBILITY (COLOR) Dark Purple

SOLUBILITY (METHOD) 50MG/ML, CHCL3

CARBON CONTENT 51.5 -58.1 %

NITROGEN CONTENT 15.8 -18.8 %

INFRARED SPECTRUM CONFORMS TO STRUCTURE

RECOMMENDED RETEST PERIOD 3 YEARS

RECOMMENDED RETEST PERIOD 37 MONTHS