Name: 2,5-Difluorophenol
SKU: 2713-31-7

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Basic Information

Molecular Structure:
CAS No.:	2713-31-7
Name:	2,5-Difluorophenol
Article Data:	8

Formula:	C₆H₄F₂O
Molecular Weight:	130.094
Synonyms:	NSC 10288;
Density:	1.351 g/cm³
Melting Point:	40-42 °C(lit.)
Boiling Point:	157.1 °C at 760 mmHg
Flash Point:	53.3 °C
Solubility:	slightly soluble in water
Appearance:	white crystalline mass
Hazard Symbols:	Xn, Xi, C, F
Risk Codes:	10-20/21/22-36/37/38-34-11
Safety:	16-26-36/37-45-36/37/39-36
Transport Information:	UN 1325 4.1/PG 2
PSA:	20.23000
LogP:	1.67040

Synthetic route

: 446-17-3
2,4,5-trifluorobenzoic acid

: 2713-31-7
2,5-difluorophenol

Conditions

Conditions	Yield
With water; sodium hydroxide at 80 - 155℃; for 35h; Sealed tube;	94.1%

: 540-36-3
para-difluorobenzene

A: 367-27-1
2,4-difluorophenol

B: 2713-31-7
2,5-difluorophenol

Conditions

Conditions	Yield
With dihydrogen peroxide In acetonitrile at 60℃; for 0.416667h;	A 6% B 94%

: 372-20-3
3-fluorophenol

: 2713-31-7
2,5-difluorophenol

Conditions

Conditions	Yield
With acetic acid; Selectfluor; eosin y In water at 20℃; for 6h; Irradiation; Green chemistry;	70%

: 367-30-6
2,5-difluoroaniline

: 2713-31-7
2,5-difluorophenol

: 540-36-3
para-difluorobenzene

: 2713-31-7
2,5-difluorophenol

Conditions

Conditions	Yield
Yield given. Multistep reaction;

: 540-36-3
para-difluorobenzene

A: 367-23-7
1,2,4-trifluorobenzene

B: 2713-31-7
2,5-difluorophenol

C: 703-16-2
4H/5H-3,3,4,5,6,6-Hexafluor-cyclohexen

D: 22060-77-1
3,3,6,6-tetrafluoro-1,4-cyclohexadiene

Conditions

Conditions	Yield
With trifluorormethanesulfonic acid; fluorine In trichlorofluoromethane at -25℃; for 3h; Further byproducts given. Title compound not separated from byproducts;

...Expand

: ferrous ammonium sulphate

: 121-43-7
Trimethyl borate

: 540-36-3
para-difluorobenzene

: 2713-31-7
2,5-difluorophenol

Conditions

Conditions	Yield
With hydrogenchloride; n-butyllithium; dihydrogen peroxide In tetrahydrofuran; hexane; toluene
With hydrogenchloride; n-butyllithium; dihydrogen peroxide In tetrahydrofuran; hexane; toluene

...Expand

: 540-36-3
para-difluorobenzene

A: 371-41-5
4-Fluorophenol

B: 367-27-1
2,4-difluorophenol

C: 2713-31-7
2,5-difluorophenol

D: 7664-39-3
hydrogen fluoride

Conditions

Conditions	Yield
With dihydrogen peroxide In acetonitrile at 60℃; for 15h; Catalytic behavior;

...Expand

: 2713-31-7
2,5-difluorophenol

: 88-10-8
N,N-diethylcarbamyl chloride

: 1207163-57-2
O-2,5-difluorophenyl N,N-diethylcarbamate

Conditions

Conditions	Yield
With potassium carbonate In acetonitrile at 70℃; for 13.5h;	100%
Stage #1: 2,5-difluorophenol With sodium hydroxide In tetrahydrofuran for 0.166667h; Stage #2: N,N-diethylcarbamyl chloride In tetrahydrofuran at 20℃; for 24h;	92%
Stage #1: 2,5-difluorophenol With sodium hydroxide In tetrahydrofuran at 20℃; for 0.166667h; Stage #2: N,N-diethylcarbamyl chloride In tetrahydrofuran at 20℃; for 24h;
Stage #1: 2,5-difluorophenol With sodium hydroxide In tetrahydrofuran at 20℃; for 0.166667h; Inert atmosphere; Stage #2: N,N-diethylcarbamyl chloride In tetrahydrofuran at 20℃; for 24h; Inert atmosphere;

: 2713-31-7
2,5-difluorophenol

: 999-97-3
1,1,1,3,3,3-hexamethyl-disilazane

: 1,4-difluoro-2-(trimethylsilyloxy)benzene

Conditions

Conditions	Yield
at 170℃; for 1h;	99%

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Chemistry

2,5-Difluorophenol(2713-31-7) is a kind of white to yellow solid, crystals or chunks. 2,5-Difluorophenol(2713-31-7) is slightly soluble.
Molecular Structure:

Synonyms:2,5-DIFLUOROPHENOL;Phenol,2,5-difluoro-;2,5-Difluorphenol;2,5-Difluorophenol,97%;2,5-Difluorophenol 97%
Molecular Formula:C₆H₄F₂O
Molecular Weight:130.09
Density:1.351 g/cm³
Melting Point:35-42℃
Boiling Point: 157.1℃ at 760 mmHg
Flash Point:53℃

Uses

2,5-Difluorophenol(2713-31-7) is mainly used as the intermediates of medicine, pesticide, liquid crystal materials.

Safety Profile

Hazard Code:Xn,Xi,C,F
Risk Statements:10-20/21/22-36/37/38-34-11
10:Flammable
20/21/22:Harmful by inhalation, in contact with skin and if swallowed
36/37/38:Irritating to eyes, respiratory system and skin
34:Causes burns
11:Highly Flammable
Safety Statements:16-26-36/37-45-36/37/39-36
16:Keep away from sources of ignition - No smoking
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39:Wear suitable protective clothing, gloves and eye/face protection
36:Wear suitable protective clothing
RIDADR:UN 1325 4.1/PG 2
WGK Germany:3
Hazard Note:Irritant
HazardClass:4.1
PackingGroup:II

Specification

Chemical Stability:Stable under normal temperatures and pressures.
Conditions to Avoid:Incompatible materials, ignition sources.
Incompatibilities with Other Materials:Strong oxidizing agents, strong bases.
Hazardous Decomposition Products:Carbon monoxide, carbon dioxide, hydrogen fluoride gas.
Hazardous Polymerization:Will not occur.