Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

View All Documentation

D211400

Sigma-Aldrich

2,2-Diphenyl-1-picrylhydrazyl

95%

Synonym(s):

1,1-Diphenyl-2-picrylhydrazyl radical, 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl, DPPH

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C18H12N5O6
CAS Number:
1898-66-4
Molecular Weight:
394.32
Beilstein/REAXYS Number:
1846081
EC Number:
217-591-8
MDL number:
MFCD00007231
UNSPSC Code:
12352103

assay

95%

mp

~135 °C (dec.) (lit.)

λmax

528 nm

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

Looking for similar products? Visit Product Comparison Guide

replaced by

Product No.
Description
Pricing

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Resp. Sens. 1 - Self-react. C - Skin Irrit. 2 - Skin Sens. 1

Storage Class

4.1A - Other explosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
S32052
S26577
20030AB
15605MN
11317LR

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service