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Merck
CN

372889

Sigma-Aldrich

1,3-Diethyl-1,3-diphenylurea

99%

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About This Item

Linear Formula:
[C6H5N(C2H5)]2CO
CAS Number:
85-98-3
Molecular Weight:
268.35
EC Number:
201-645-2
MDL number:
MFCD00035794
UNSPSC Code:
12352100
PubChem Substance ID:
24863178
NACRES:
NA.22

Key Documents

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vapor density

9.3 (vs air)

Quality Level

100

Assay

99%

form

solid

mp

73-75 °C (lit.)

solubility

acetone: soluble(lit.)
benzene: soluble(lit.)
ethanol: soluble(lit.)
water: insoluble(lit.)

functional group

amine

SMILES string

CCN(C(=O)N(CC)c1ccccc1)c2ccccc2

InChI

1S/C17H20N2O/c1-3-18(15-11-7-5-8-12-15)17(20)19(4-2)16-13-9-6-10-14-16/h5-14H,3-4H2,1-2H3

InChI key

PZIMIYVOZBTARW-UHFFFAOYSA-N

Gene Information

human ... EPHX2(2053)
mouse ... Ephx2(13850)

Related Categories

General description

1,3-Diethyl-1,3-diphenylurea is a symmetrical derivative of urea.1 1,3-Diethyl-1,3-diphenylurea is a commonly employed as stabilizer in double-base propellants. Molecule of 1,3-diethyl-1,3-diphenylurea exhibits non-crystallographic C2 symmetry. Photochemically induced fluorescence (PIF) studies of 1,3-diethyl-1,3-diphenylurea as stabilizer has been reported . 1,3-Diethyl-l,3-diphenylurea (Ethylcentralite or EC) has been reported as propellant stabilizer degradation derivative. Effect of ethyl centralite on a cyclotrimethylenetrinitramine (RDX)-based polymer-bonded explosive (PBX) has been reported.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

302.0 °F - closed cup

Flash Point(C)

150 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV8532
MKCW3158
MKCW8410
05107LFV
04710HY

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Alireza Farokhcheh et al.
Forensic science international, 240, 35-40 (2014-05-06)
The photochemically induced fluorescence (PIF) studies of 1,3-diethyl-1,3-diphenylurea or ethyl centralite (EC) as stabilizer have been carried out under various conditions. Influences of solvent type (water, methanol, acetonitrile and chloroform), oxygen dependence and UV irradiation time on the spectroscopic properties
Synthetic Procedures Yielding Targeted Nitro and Nitroso Derivatives of the Propellant Stabilisers Diphenylamine, N-Methyl-4-nitroaniline, and N, N'-Diethyl-N, N'-diphenylurea.
Elliot MS, et al.
Propellants, Explosives, Pyrotechnics, 25(1), 31-36 (2000)
Richard Betz et al.
Acta crystallographica. Section E, Structure reports online, 67(Pt 4), o827-o827 (2011-07-15)
The mol-ecule of the title compound, C(17)H(20)N(2)O, a symmetrical derivative of urea, shows non-crystallographic C(2) symmetry. Inter-action with the aromatic system of the phenyl substituents as well as amide-type resonance is responsible for the marked planarization of the coordination environments
Kristen L Reese et al.
Forensic science international, 272, 16-27 (2017-01-16)
This work demonstrates a non-targeted mass spectrometry approach for identification of organic compounds in smokeless powders. Unburned powders were removed from various commercial ammunitions of different brand, primer composition, caliber, and age. The unburned powders and corresponding fired residues were
María López-López et al.
Talanta, 81(4-5), 1742-1749 (2010-05-06)
In this work, a new approach for the isolation of nitrocellulose from smokeless gunpowders has been developed. A multistep solvent extraction method was needed to purify nitrocellulose contained in gunpowders. For single-base or double-base gunpowders six consecutive solvent extractions were
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