3,5-difluoro-4-cyanophenol

3,5-difluoro-4-cyanophenol - Names and Identifiers

Name	4-Cyano-3,5-Difluorophenol
Synonyms	2,6-Difluoro-4-hydro 2,6-Difluoro-4-hydroxy 4-Cyano-3,5-Difluorophenol 3,5-DIFLUORO-4-CYANOPHENOL 4-CYANO-3,5-DIFLUOROPHENOL 3,5-difluoro-4-cyanophenol 2,6-DIFLUORO-4-HYDROXYBENZONITRILE 2,6-Difluoro-4-hydroxybenzonitrile 2,6-Difluoro-4-Hydroxy Benzonitrile 3,5-difluoro-4-(trifluoromethyl)aniline Benzonitrile, 2,6-difluoro-4-hydroxy- (9CI)
CAS	123843-57-2
InChI	InChI=1/C7H3F2NO/c8-6-1-4(11)2-7(9)5(6)3-10/h1-2,11H
InChIKey	KEIYYIGMDPTAPL-UHFFFAOYSA-N

3,5-difluoro-4-cyanophenol - Physico-chemical Properties

Molecular Formula	C7H3F2NO
Molar Mass	155.1
Density	1.44±0.1 g/cm3(Predicted)
Melting Point	127 °C
Boling Point	279.8±40.0 °C(Predicted)
Flash Point	123°C
Solubility	soluble in Methanol
Vapor Presure	0.00231mmHg at 25°C
Appearance	White-like crystal
Color	White to Almost white
pKa	5.87±0.23(Predicted)
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	1.53
MDL	MFCD03094499
Physical and Chemical Properties	Appearance: White Crystal

3,5-difluoro-4-cyanophenol - Risk and Safety

Hazard Symbols	Xi - Irritant
UN IDs	3439
HS Code	29269090
Hazard Note	Irritant
Hazard Class	6.1
Packing Group	III

3,5-difluoro-4-cyanophenol - Introduction

2,6-difluoro-4-hydroxybenzonitrile is an organic compound with the chemical formula C7H3F2NO. The following is a description of its nature, use, formulation and safety information:

1. nature:
-Appearance: 2,6-difluoro-4-hydroxybenzonitrile is a colorless to pale yellow crystalline powder.
-Solubility and stability: Its solubility in water is low, and it is soluble in organic solvents such as ethanol, dimethylthionamide, etc. It is a stable compound, but may produce toxic gases when heated.

2. use:
-Chemical synthesis: 2,6-difluoro-4-hydroxybenzonitrile can be used as an intermediate in organic synthesis and used to prepare other organic compounds, such as pesticides, medicines and dyes.
-Pesticide: It is widely used as a pesticide in the agricultural field to effectively control various pests and antagonistic fungi.

3. Preparation method:
- 2, 6-difluoro-4-hydroxybenzonitrile is often prepared using nitrobenzene as raw material. First, nitrobenzene is reacted with hydrofluoric acid to obtain 2,6-difluoro-4-nitrobenzene, which is then subjected to a hydrogen reduction reaction to obtain 2,6-difluoro-4-aminobenzene. Finally, 2,6-difluoro-4-aminobenzene is reacted with chlorocyano to give 2,6-difluoro-4-hydroxybenzonitrile.

4. Safety Information:
-2,6-difluoro-4-hydroxybenzonitrile must be used in accordance with relevant safety procedures.
-It is a toxic compound that may have an impact on human health. Contact or inhalation of the compound may cause irritation, resulting in difficulty breathing, coughing, skin irritation, etc. Therefore, the necessary protective measures should be taken during operation, such as wearing gloves, protective glasses and respiratory protection equipment. If taken by mistake or inhaled by mistake, seek medical attention immediately.

Last Update：2024-04-09 21:01:54