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1,4-Dicyanobenzene

1,4-Dicyanobenzene Structure
1,4-Dicyanobenzene
  • CAS No.623-26-7
  • Chemical Name:1,4-Dicyanobenzene
  • CBNumber:CB7287994
  • Molecular Formula:C8H4N2
  • Formula Weight:128.13
  • MOL File:623-26-7.mol
1,4-Dicyanobenzene Property
  • Melting point: :221-225 °C (lit.)
  • Boiling point: :227.54°C (rough estimate)
  • Density  :1.3g/cm3(25℃)
  • vapor density  :4.42
  • refractive index  :1.6231 (estimate)
  • storage temp.  :Sealed in dry,Room Temperature
  • form  :Powder
  • color  :White to light yellow
  • Water Solubility  :0.08 g/L (23 ºC)
  • BRN  :1072210
  • Stability: :Stable. Incompatible with strong acids, strong bases, strong oxidizing agents, strong reducing agents.
  • CAS DataBase Reference :623-26-7(CAS DataBase Reference)
  • EWG's Food Scores :1
  • FDA UNII :E6ITH5CIS3
  • NIST Chemistry Reference :1,4-Benzenedicarbonitrile(623-26-7)
  • EPA Substance Registry System :1,4-Benzenedicarbonitrile (623-26-7)
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36/37/38
  • Safety Statements  :26-24/25
  • RIDADR  :3439
  • WGK Germany  :2
  • RTECS  :CZ1925000
  • TSCA  :Yes
  • HazardClass  :6.1(b)
  • PackingGroup  :III
  • HS Code  :29269095
  • Toxicity :LD50 orl-rat: >6400 mg/kg ZAARAM 19,225,69
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements H315-H319-H335
  • Precautionary statements P261-P280a-P304+P340-P305+P351+P338-P405-P501a
1,4-Dicyanobenzene Price More Price(25)
  • Brand: Sigma-Aldrich
  • Product number: D76722
  • Product name : 1,4-Dicyanobenzene
  • Purity: 98%
  • Packaging: 25g
  • Price: $28.7
  • Updated: 2021/12/16
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  • Purity: >98.0%(GC)
  • Packaging: 25g
  • Price: $34
  • Updated: 2021/12/16
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  • Brand: TCI Chemical
  • Product number: T0016
  • Product name : Terephthalonitrile
  • Purity: >98.0%(GC)
  • Packaging: 100g
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  • Updated: 2021/12/16
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  • Product name : Terephthalonitrile, 98%
  • Purity: 
  • Packaging: 100g
  • Price: $65.5
  • Updated: 2021/12/16
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  • Brand: Alfa Aesar
  • Product number: B23137
  • Product name : Terephthalonitrile, 98%
  • Purity: 
  • Packaging: 25g
  • Price: $25.3
  • Updated: 2021/12/16
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1,4-Dicyanobenzene Chemical Properties,Usage,Production

  • Chemical Properties biege powder
  • Uses 1,4-dicyanobenzene as a new internal standard in utilizing solid-state infrared intensity methods for the determination of thiocyanate bonding. Used as photosensitizer in [2+2] cycloadditions, nitrile building block.
  • Synthesis Reference(s) The Journal of Organic Chemistry, 51, p. 4714, 1986 DOI: 10.1021/jo00374a041
    Tetrahedron Letters, 8, p. 759, 1967
  • Safety Profile Moderately toxic by ingestion and intraperitoneal routes. An eye irritant. When heated to decomposition it emits toxic fumes of CNand NO,. See also NITRILES.
  • Purification Methods Crystallise the dinitrile from EtOH or AcOH, and has m 221.5-222.5o after sublimation. [Beilstein 9 H 846, 9 I 376, 9 II 613, 9 III 4255, 9 IV 3328.]
1,4-Dicyanobenzene Preparation Products And Raw materials
Raw materials
Preparation Products
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  • C8H4N2
  • C8 to C9
  • Building Blocks
  • Cyanides/Nitriles
  • Organic Building Blocks
  • Nitrogen Compounds
  • Nitrile series
  • Building Blocks
  • C8 to C9
  • Chemical Synthesis
  • Nitrogen Compounds
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  • Aromatic Nitriles
  • oled materials
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  • Cyanides/Nitriles
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