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D209317

Sigma-Aldrich

Diphenylmethane

99%

Synonym(s):

Benzylbenzene, Methylenedibenzene

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About This Item

Linear Formula:
(C6H5)2CH2
CAS Number:
101-81-5
Molecular Weight:
168.23
Beilstein:
1904982
EC Number:
202-978-6
MDL number:
MFCD00004781
UNSPSC Code:
12352100
PubChem Substance ID:
24893624
NACRES:
NA.22
form:
liquid
Assay:
99%
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vapor density

5.79 (vs air)

Quality Level

200

vapor pressure

<1 mmHg ( 77 °C)

Assay

99%

form

liquid

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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General description

Diphenylmethane is an aromatic compound used as a key building block in the synthesis of elastase inhibitors. [1] [2]

Application

  • Diphenylmethane is widely used in the synthesis of luminogens for aggregation-induced emission (AIE).[3][4]
  • It is used in the preparation of a polymerization initiator, diphenylmethyl potassium (DPMK).[5]
  • 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.[6]

Pictograms

Environment
GHS09

Signal Word

Warning

Hazard Statements

H410

Precautionary Statements

P273 - P391 - P501

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

266.0 °F

Flash Point(C)

130 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB2118
STBL1051
STBK6551
STBK5662
STBK4419

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The theoretical conformational analysis of some bridged aromatic compounds: diphenyl ether, diphenylmethane, benzophenone and diphenyl sulphide
VA Zubkov et al.
Journal of Molecular Structure, 27, 139-149 (1975)
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 of functionalized aromatic oligomers from a versatile diphenylmethane template
JG Bruno et al.
The Journal of Organic Chemistry, 62, 5174-5190 (1997)
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)
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)
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