ChemicalBook > CAS DataBase List > 1,1-Diphenylethylene

1,1-Diphenylethylene

Product Name
1,1-Diphenylethylene
CAS No.
530-48-3
Chemical Name
1,1-Diphenylethylene
Synonyms
Ethene-1,1-diyldibenzene;1,1-DIPHENYLETHENE;Diphenylethylene;DDNU;1-BROMO-4-(DIETHOXYMETHYL)BENZENE;DKSI010;1,1-distyrene;alpha-Phenylstyrene;as-Diphenylethylene;ethene,1,1-diphenyl-
CBNumber
CB1853742
Molecular Formula
C14H12
Formula Weight
180.25
MOL File
530-48-3.mol
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1,1-Diphenylethylene Property

Melting point:
6 °C (lit.)
Boiling point:
270-271 °C (lit.)
Density 
1.021 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.608(lit.)
Flash point:
221 °F
storage temp. 
2-8°C
form 
Liquid
color 
Clear colorless to golden
Water Solubility 
Miscible with methanol, chloroform and ether. Insoluble in water.
Merck 
14,3323
BRN 
1099062
InChIKey
ZMYIIHDQURVDRB-UHFFFAOYSA-N
CAS DataBase Reference
530-48-3(CAS DataBase Reference)
NIST Chemistry Reference
Ethylene, 1,1-diphenyl-(530-48-3)
EPA Substance Registry System
Benzene, 1,1'-ethenylidenebis- (530-48-3)
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Safety

Safety Statements 
23-24/25
RIDADR 
UN 3082 9 / PGIII
WGK Germany 
3
TSCA 
Yes
HazardClass 
9
HS Code 
29029090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D206806
Product name
1,1-Diphenylethylene
Purity
97%
Packaging
5g
Price
$59
Updated
2025/07/31
Sigma-Aldrich
Product number
D206806
Product name
1,1-Diphenylethylene
Purity
97%
Packaging
10g
Price
$78.4
Updated
2025/07/31
TCI Chemical
Product number
D0886
Product name
1,1-Diphenylethylene (stabilized with HQ)
Purity
>98.0%(GC)
Packaging
5g
Price
$33
Updated
2025/07/31
TCI Chemical
Product number
D0886
Product name
1,1-Diphenylethylene (stabilized with HQ)
Purity
>98.0%(GC)
Packaging
25g
Price
$89
Updated
2025/07/31
Sigma-Aldrich
Product number
D206806
Product name
1,1-Diphenylethylene
Purity
97%
Packaging
25g
Price
$124
Updated
2025/07/31
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1,1-Diphenylethylene Chemical Properties,Usage,Production

Chemical Properties

Clear colorless to golden liquid

Uses

1,1-Diphenylethylene is used in the preparation of 2-chloro-1,1-diphenyl-ethene by reacting with benzeneseleninyl chloride and aluminum(III) chloride as reagents. It acts as an intermediate in organic synthesis as well as in pharmaceuticals.

Synthesis Reference(s)

The Journal of Organic Chemistry, 26, p. 4199, 1961 DOI: 10.1021/jo01069a005

Reactivity Profile

1,1-Diphenylethylene (DPE) is well known for its inability to undergo homopolymerization but can participate in radical copolymerizations. The participation of DPE in radical polymerization leads to the formation of stable DPE radicals by resonance stabilization of the radical by the two phenyl groups and a strong steric hindrance for the addition of any other monomer. Thus, DPE has drastic effects on radical polymerizati[1].

Synthesis

1,1-Diphenylethylene can be prepared by the action of alcoholic potassium hydroxide on unsymmetrical diphenylchloroethane; by the action of aluminum chloride on benzene and tribromoethylene; and by dehydration of the carbinol which can be prepared by the action of methylmagnesium iodide on benzophenone, or phenylmagnesium bromide on acetophenone or ethyl acetate.

References

[1] Sophie Viala . “Structural control in radical polymerization with 1,1-diphenylethylene. 1. Copolymerization of 1,1-diphenylethylene with methyl methacrylate.” Polymer 43 26 (2002): Pages 7231-7241.

1,1-Diphenylethylene Preparation Products And Raw materials

Raw materials

Preparation Products

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1,1-Diphenylethylene Suppliers

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View Lastest Price from 1,1-Diphenylethylene manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
1,1-Diphenylethylene 530-48-3
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-12-02
R&D Scientific Inc.
Product
Ethene-1,1-diyldibenzene 530-48-3
Price
US $950.00/Kg
Min. Order
1Kg
Purity
98
Supply Ability
500 Kg
Release date
2024-05-03
Henan Fengda Chemical Co., Ltd
Product
1,1-Diphenylethylene 530-48-3
Price
US $100.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-24

530-48-3, 1,1-DiphenylethyleneRelated Search:

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  • 1,1-DIPHENYLETHYLENE (ASYM.)
  • Benzene, 1,1'-ethenylidenebis-
  • benzene,1,1’-ethenylidenebis-
  • DDNU
  • Diphenylethylene
  • ethene,1,1-diphenyl-
  • ethylene,1,1-diphenyl-
  • Unsym.-Diphenylethylene
  • unsym-Diphenylethylene
  • α,α-diphenylethylene
  • 1,1-Diphenylethylene, 97.5%
  • Clemastine Fumarate Impurity 2
  • 1,1-Diphenylethylene 97%
  • (1-phenylethenyl)benzene
  • Ethene-1,1-diyldibenzene
  • Ethenylidenebisbenzene
  • 1,1-Diphenylethylene, 98% 10GR
  • 1,1-Diphenylethylene (stabilized with HQ)
  • 1,1-Diphenylethylene,98%
  • (1-Phenylvinyl)benzene
  • 1,1’-ethenylidenebis-benzen
  • alpha,alpha-Diphenylethylene
  • alpha-Methylene-diphenylmethane
  • alpha-Phenylstyrene
  • as-Diphenylethylene
  • 1,1-DIPHENYLETHYLENE
  • 1,1-DIPHENYLETHENE
  • 1,1'-ETHENYLIDENE BIS-BENZENE
  • 1-BROMO-4-(DIETHOXYMETHYL)BENZENE
  • ASYM-DIPHENYLETHYLENE
  • 1,1-Diphenylethylene, 97.5%, for synthesis
  • 1,1-Diphenylethylene (stabilized with HQ)&gt
  • 1,1-Diphenylethylene ISO 9001：2015 REACH
  • DKSI010
  • Ethene-1,1-diyldibenzene,98%(stabilized with HQ)
  • 1,1-distyrene
  • thane-1,1-diyldibenzene
  • 530-48-3
  • 530-46-3
  • 34421-98-8
  • C6H52CCH2
  • C6H52CC2
  • Acyclic
  • Alkenes
  • Building Blocks
  • Organic Building Blocks
  • Oxygen Compounds
  • Acetals/Ketals/Ortho Esters
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Acyclic
  • Alkenes
  • Organic Building Blocks