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4-Hydroxyphthalonitrile

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4-Hydroxyphthalonitrile manufacturers

  • 4-Hydroxyphthalonitrile
  • 4-Hydroxyphthalonitrile pictures
  • $209.30
  • 2026-09-30
  • CAS:30757-50-7
  • Min. Order: 25Kg/Drum
  • Purity: 98.0%Min
  • Supply Ability: 3tons/month
  • 4-Hydroxyphthalonitrile
  • 4-Hydroxyphthalonitrile pictures
  • $281.69
  • 2026-09-30
  • CAS:30757-50-7
  • Min. Order: 25Kg/Drum
  • Purity: 98.5%min, 99.5%min
  • Supply Ability: 2tons/month
4-Hydroxyphthalonitrile Basic information
Product Name:4-Hydroxyphthalonitrile
Synonyms:3,4-DICYANOPHENOL;4-HYDROXYPHTHALONITRILE;4-HYDROXYBENZENE-1,2-DICARBONITRILE;4-Hydroxyphehalonitrile;4-HYDROXYPHTHALONITRILE 97+%;1,2-Benzenedicarbonitrile,4-hydroxy-;4-Hydroxyphthalonitrile SynonyMs 3,4-Dicyanophenol;3,4-Dicyano Penol
CAS:30757-50-7
MF:C8H4N2O
MW:144.13
EINECS:
Product Categories:Functional Materials;Phthalonitriles & Naphthalonitriles;Phthalonitriles (Building Blocks for Phthalocyanines)
Mol File:30757-50-7.mol
4-Hydroxyphthalonitrile Structure
4-Hydroxyphthalonitrile Chemical Properties
Melting point ~218 °C
Boiling point 394.6±37.0 °C(Predicted)
density 1.34±0.1 g/cm3(Predicted)
storage temp. Inert atmosphere,Room Temperature
solubility soluble in Methanol
form powder to crystal
pka6.45±0.18(Predicted)
color White to Gray to Brown
BRN 2718847
InChIKeyFTVOPKROFUTOKY-UHFFFAOYSA-N
CAS DataBase Reference30757-50-7(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
HS Code 2926907090
MSDS Information
ProviderLanguage
SigmaAldrich English
4-Hydroxyphthalonitrile Usage And Synthesis
Chemical PropertiesColorless transparent liquid
Synthesis Reference(s)Synthetic Communications, 19, p. 3231, 1989 DOI: 10.1080/00397918908052723
Synthesis
4-Nitrophthalonitrile

31643-49-9

4-Hydroxyphthalonitrile

30757-50-7

The general procedure for the synthesis of 3,4-dicyanophenol from 4-nitrophthalonitrile was as follows: 1) 103.9 g (600 mmol) of 4-nitrophthalonitrile and 800 mL of dimethyl sulfoxide (DMSO) were added to a three-necked flask equipped with a stirrer. After the solid was completely dissolved, 91.0 g (660 mmol) of potassium carbonate and 46.0 g (660 mmol) of sodium nitrite were added sequentially. The reaction mixture was heated to 160 °C and kept at reflux for 5 hours. Upon completion of the reaction, the mixture was cooled to room temperature and subsequently poured into a large amount of water to precipitate the product. The yellow solid was collected by filtration and dried under vacuum at 110 °C to give 73.3 g of 4-hydroxyphthalonitrile in 85% yield.

References[1] RSC Advances, 2015, vol. 5, # 96, p. 79207 - 79215
[2] Patent: CN104910113, 2017, B. Location in patent: Paragraph 0041-0042; 0045-0046
[3] Synthetic Communications, 1989, vol. 19, # 18, p. 3231 - 3240
[4] Russian Journal of General Chemistry, 2011, vol. 81, # 4, p. 768 - 772
Tag:4-Hydroxyphthalonitrile(30757-50-7) Related Product Information
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