• Name

  1,4-Bis(4-cyanostyryl)benzene

• EINECS 235-836-7
• CAS No. 13001-40-6
• Article Data7
• CAS DataBase
• Density 1.18 g/cm³
• Solubility
• Melting Point 230-234 °C
• Formula C₂₄H₁₆N₂
• Boiling Point 571.3 °C at 760 mmHg
• Molecular Weight 332.404
• Flash Point 272.8 °C
• Transport Information
• Appearance Light yellow
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms 1,4-Bis(4-cyanostyryl)benzene;1,4-Bis(p-cyanostyryl)benzene;Blankophor ER;C.I. 40705;C.I. FluorescentBrightener 199;Fluorescent Brightener 199;Palanil Brilliant White R;Ultraphor RN;Benzonitrile,4,4'-(p-phenylenedivinylene)di- (7CI,8CI);
• PSA 47.58000
• LogP 5.77076

Synthetic route

1552-41-6

diethyl [(4-cyanophenyl)methyl]phosphonate

623-27-8

terephthalaldehyde,

13001-40-6

1,4-bis(p-cyanostyryl)benzene

Conditions

Conditions	Yield
With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h;	52%

623-27-8

terephthalaldehyde,

104-85-8

para-methylbenzonitrile

13001-40-6

1,4-bis(p-cyanostyryl)benzene

Conditions

Conditions	Yield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride at 45℃; for 5h;	18%

623-27-8

terephthalaldehyde,

26104-68-7

(p-cyanobenzyl)triphenylphosphonium bromide

13001-40-6

1,4-bis(p-cyanostyryl)benzene

Conditions

Conditions	Yield
With sodium ethanolate In ethanol for 3.5h;	17%

1552-41-6

diethyl [(4-cyanophenyl)methyl]phosphonate

72436-40-9

4-[(E)-2-(4-Formyl-phenyl)-vinyl]-benzonitrile

13001-40-6

1,4-bis(p-cyanostyryl)benzene

Conditions

Conditions	Yield
With potassium hydroxide In N,N-dimethyl-formamide Yield given;

4-[(E)-2-(4-Cyano-phenyl)-vinyl]-benzoic acid

13001-40-6

1,4-bis(p-cyanostyryl)benzene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: SOCl2 2: H2 / 5 percent Pd/BaSO4, "quinoline S" / xylene / Heating 3: KOH / dimethylformamide View Scheme

73755-13-2

4-[(E)-2-(4-Cyano-phenyl)-vinyl]-benzoyl chloride

13001-40-6

1,4-bis(p-cyanostyryl)benzene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: H2 / 5 percent Pd/BaSO4, "quinoline S" / xylene / Heating 2: KOH / dimethylformamide View Scheme

3435-51-6

4-ethenylbenzonitrile

624-38-4

para-diiodobenzene

13001-40-6

1,4-bis(p-cyanostyryl)benzene

Conditions

Conditions	Yield
With triphenyl phosphite; triethylamine; bis(dibenzylideneacetone)-palladium(0) In N,N-dimethyl-formamide at 120℃; Heck Reaction;

105-07-7

4-cyanobenzaldehyde

13001-40-6

1,4-bis(p-cyanostyryl)benzene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: Alkaline conditions 2: bis(dibenzylideneacetone)-palladium(0); triphenyl phosphite; triethylamine / N,N-dimethyl-formamide / 120 °C View Scheme

13001-40-6

1,4-bis(p-cyanostyryl)benzene

2,13-dicyano[5]helicene

Conditions

Conditions	Yield
With iodine; methyloxirane In benzene Dehydrogenation; photocyclization; Irradiation;	32%

13001-40-6

1,4-bis(p-cyanostyryl)benzene

81919-21-3

1,4-bis<2-(4-cyanophenyl)ethyl>benzene

Conditions

Conditions	Yield
With toluene-4-sulfonic acid hydrazide In 2-methoxy-ethanol for 16h; Heating;

13001-40-6

1,4-bis(p-cyanostyryl)benzene

1,4-bis(4'-guanylphenylethyl)benzene dihydrochloride

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: p-toluenesulfohydrazide / 2-methoxy-ethanol / 16 h / Heating 2: HCl gas / 72 h / Ambient temperature 3: 63 percent / NH3 / 72 h / Ambient temperature View Scheme

13001-40-6

1,4-bis(p-cyanostyryl)benzene

C28H32N2O2*ClH

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: p-toluenesulfohydrazide / 2-methoxy-ethanol / 16 h / Heating 2: HCl gas / 72 h / Ambient temperature View Scheme

13001-40-6

1,4-bis(p-cyanostyryl)benzene

1,4-bis<4-(2-imidazolinyl)phenylethyl>benzene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: p-toluenesulfohydrazide / 2-methoxy-ethanol / 16 h / Heating 2: HCl gas / 72 h / Ambient temperature 3: 78 percent / ethanol / 16 h / Heating View Scheme

13001-40-6

1,4-bis(p-cyanostyryl)benzene

1,4-bis<4-(1,4,5,6-tetrahydro-2-pyrimidinyl)phenylethyl>benzene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: p-toluenesulfohydrazide / 2-methoxy-ethanol / 16 h / Heating 2: HCl gas / 72 h / Ambient temperature 3: 61 percent / ethanol / Heating View Scheme

344-03-6

1,4-dibromotetrafluorobenzene

13001-40-6

1,4-bis(p-cyanostyryl)benzene

C6Br2F4*C24H16N2

Conditions

Conditions	Yield
In chloroform for 0.5h;

624-38-4

para-diiodobenzene

13001-40-6

1,4-bis(p-cyanostyryl)benzene

C6H4I2*C24H16N2

Conditions

Conditions	Yield
In chloroform for 0.5h;

771-61-9

2,3,4,5,6-pentafluorophenol

13001-40-6

1,4-bis(p-cyanostyryl)benzene

2C6HF5O*C24H16N2

Conditions

Conditions	Yield
In chloroform for 0.5h;

4707-24-8

4-bromotetrafluorobenzenecarboxylic acid

13001-40-6

1,4-bis(p-cyanostyryl)benzene

C7HBrF4O2*C24H16N2

Conditions

Conditions	Yield
In chloroform for 0.5h;

392-57-4

1,4-diiodo-2,3,5,6-tetrafluorobenzene

13001-40-6

1,4-bis(p-cyanostyryl)benzene

C6F4I2*C24H16N2

Conditions

Conditions	Yield
In chloroform for 0.5h;

13001-40-6

1,4-bis(p-cyanostyryl)benzene

108-46-3

recorcinol

2C6H6O2*3C24H16N2

Conditions

Conditions	Yield
In chloroform for 0.5h;

[(zinc)4O(1,4-benzenedicarboxylate)3]

13001-40-6

1,4-bis(p-cyanostyryl)benzene

1,4-bis-p-cyanostyrylbenzene(at)MOF-5

Conditions

Conditions	Yield
In N,N-dimethyl-formamide for 12h;

1,4-Bis(4-cyanostyryl)benzene Specification