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4-Hydroxyphthalonitrile

CAS No.
30757-50-7
Chemical Name:
4-Hydroxyphthalonitrile
Synonyms
3,4-Dicyano Penol;3,4-DICYANOPHENOL;4-HYDROXYPHTHALONITRILE;4-Hydroxyphehalonitrile;4-Hydroxyphthalonitrile>4-HYDROXYPHTHALONITRILE 97+%;4-hydroxy-1,2-benzenedicarbonitrile;4-HYDROXYBENZENE-1,2-DICARBONITRILE;1,2-Benzenedicarbonitrile,4-hydroxy-;4-Hydroxyphthalonitrile SynonyMs 3,4-Dicyanophenol
CBNumber:
CB5354797
Molecular Formula:
C8H4N2O
Molecular Weight:
144.13
MDL Number:
MFCD00191653
MOL File:
30757-50-7.mol
MSDS File:
SDS
Last updated:2026-05-28 05:35:20

4-Hydroxyphthalonitrile 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
pka 6.45±0.18(Predicted)
color White to Gray to Brown
BRN 2718847
InChIKey FTVOPKROFUTOKY-UHFFFAOYSA-N
CAS DataBase Reference 30757-50-7(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302+H312+H332-H315-H319-H335
Precautionary statements  P264-P270-P271-P280-P301+P312+P330-P302+P352+P312+P362+P364-P304+P340+P312-P305+P351+P338+P337+P313-P501-P261-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
HS Code  2926907090
NFPA 704
0
2 0

4-Hydroxyphthalonitrile price More Price(52)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical H0813 4-Hydroxyphthalonitrile >97.0%(GC) 30757-50-7 1g $107 2026-04-30 Buy
TCI Chemical H0813 4-Hydroxyphthalonitrile >97.0%(GC) 30757-50-7 5g $267 2026-04-30 Buy
Apolloscientific OR919916 4-Hydroxyphthalonitrile >98% 30757-50-7 1g $21 2026-06-04 Buy
Apolloscientific OR919916 4-Hydroxyphthalonitrile >98% 30757-50-7 5g $24 2026-06-04 Buy
Apolloscientific OR919916 4-Hydroxyphthalonitrile >98% 30757-50-7 25g $111 2026-06-04 Buy
Product number Packaging Price Buy
H0813 1g $107 Buy
H0813 5g $267 Buy
OR919916 1g $21 Buy
OR919916 5g $24 Buy
OR919916 25g $111 Buy

4-Hydroxyphthalonitrile Chemical Properties, Uses, Production

Chemical Properties

Colorless 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

31643-49-9
30757-50-7
23277-29-4
Synthesis of 4-Hydroxyphthalonitrile from 4-Nitrophthalonitrile
Global Suppliers ( 138)
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Wuhan EnTai Technology Development Co,.Ltd 86-27-82330560 2536851935@qq.com China 346 69
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Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
INTATRADE GmbH +49 3493/605464 sales@intatrade.de Germany 3563 66
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9409 55
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44852 61
Shijiazhuang Sdyano Fine Chemical Co., Ltd. 0311-89250318 13582355795 master@sjzsdyn.com China 2776 65
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Beijing Eternalchem Co,. Ltd. 010-59484199 18611897322;18611897322; sales@eternalchem.com China 1993 60

View Latest Price from 4-Hydroxyphthalonitrile manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Hydroxyphthalonitrile pictures 2026-10-09 4-Hydroxyphthalonitrile
30757-50-7
$209.30 25Kg/Drum 98.0%Min 3tons/month Asia Chem I and E (Jiangsu) Co Ltd
4-Hydroxyphthalonitrile pictures 2026-10-09 4-Hydroxyphthalonitrile
30757-50-7
$281.69 25Kg/Drum 98.5%min, 99.5%min 2tons/month Asia Chem I and E (Jiangsu) Co Ltd
4-Hydroxyphthalonitrile pictures 2019-07-06 4-Hydroxyphthalonitrile
30757-50-7
$1.00 1KG 99% Career Henan Chemical Co

4-Hydroxyphthalonitrile Spectrum

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 4-Hydroxyphthalonitrile> 4-hydroxy-1,2-benzenedicarbonitrile 30757-50-7 C8 to C9 Building Blocks Phthalonitriles & Naphthalonitriles Phthalonitriles (Building Blocks for Phthalocyanines) Organic Building Blocks Nitrogen Compounds Cyanides/Nitriles Functional Materials Phthalonitriles & Naphthalonitriles Phthalonitriles (Building Blocks for Phthalocyanines)