D209317

Sigma-Aldrich

Diphenylmethane

99%

Synonym(s):
Methylenedibenzene, Benzylbenzene
Linear Formula:
(C6H5)2CH2
CAS Number:
Molecular Weight:
168.23
Beilstein/REAXYS Number:
1904982
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

5.79 (vs air)

vapor pressure

<1 mmHg ( 77 °C)

assay

99%

autoignition temp.

905 °F

refractive index

n20/D 1.577 (lit.)

bp

264 °C (lit.)

mp

22-24 °C (lit.)

density

1.006 g/mL at 25 °C (lit.)

SMILES string

C(c1ccccc1)c2ccccc2

InChI

1S/C13H12/c1-3-7-12(8-4-1)11-13-9-5-2-6-10-13/h1-10H,11H2

InChI key

CZZYITDELCSZES-UHFFFAOYSA-N

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Application

  • Diphenylmethane is widely used in the synthesis of luminogens for aggregation-induced emission (AIE).
  • It is used in the preparation of a polymerization initiator, diphenylmethyl potassium (DPMK).
  • It is one of the precursors in the synthesis of a dendrimeric polycyclic aromatic hydrocarbon (PAH), hexakis[4-(1,1,2-triphenyl-ethenyl)phenyl]benzene.

Packaging

25, 500 g in glass bottle
1 kg in glass bottle

Pictograms

Environment

Signal Word

Warning

Hazard Statements

Precautionary Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 3077 9 / PGIII

WGK Germany

WGK 2

Flash Point(F)

266.0 °F

Flash Point(C)

130 °C

Real-time monitoring of cell apoptosis and drug screening using fluorescent light-up probe with aggregation-induced emission characteristics.
Shi H, et al.
Journal of the American Chemical Society, 134(43), 17972-17981 (2012)
Hopping of a single hole in hexakis [4-(1, 1, 2-triphenyl-ethenyl) phenyl] benzene cation radical through the hexaphenylbenzene propeller.
Rathore R, et al.
Organic Letters, 6(11), 1689-1692 (2004)
Synthesis and surface properties of amphiphilic star-shaped and dendrimer-like copolymers based on polystyrene core and poly (ethylene oxide) corona.
Francis R, et al.
Macromolecules, 36(22), 8253-8259 (2003)
Changing the Behavior of Chromophores from Aggregation?Caused Quenching to Aggregation?Induced Emission: Development of Highly Efficient Light Emitters in the Solid State.
Yuan W Z, et al.
Advanced Materials, 22(19), 2159-2163 (2010)
Jaime A Stearns et al.
The Journal of chemical physics, 129(22), 224305-224305 (2008-12-17)
Rotationally resolved microwave and ultraviolet spectra of jet-cooled diphenylmethane (DPM) and DPM-d(12) have been obtained in S(0), S(1), and S(2) electronic states using Fourier-transform microwave and UV laser/molecular beam spectrometers. The S(0) and S(1) states of both isotopologues have been...

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