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Cas Database |
| Name |
2,5-Difluorophenol |
EINECS | N/A |
| CAS No. | 2713-31-7 | Density | 1.351 g/cm3 |
| PSA | 20.23000 | LogP | 1.67040 |
| Solubility | slightly soluble in water | Melting Point |
40-42 °C(lit.) |
| Formula | C6H4F2O | Boiling Point | 157.1 °C at 760 mmHg |
| Molecular Weight | 130.094 | Flash Point | 53.3 °C |
| Transport Information | UN 1325 4.1/PG 2 | Appearance | white crystalline mass |
| Safety | 16-26-36/37-45-36/37/39-36 | Risk Codes | 10-20/21/22-36/37/38-34-11 |
| Molecular Structure |
|
Hazard Symbols |
 Xn,  Xi,  C,  F
|
| Synonyms |
NSC 10288; |
Article Data | 8 |
2,5-Difluorophenol Synthetic route
| Conditions | Yield |
|---|---|
| With water; sodium hydroxide at 80 - 155℃; for 35h; Sealed tube; | 94.1% |
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In acetonitrile at 60℃; for 0.416667h; | A 6% B 94% |
| Conditions | Yield |
|---|---|
| With acetic acid; Selectfluor; eosin y In water at 20℃; for 6h; Irradiation; Green chemistry; | 70% |
| 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 | Yield |
|---|---|
| With trifluorormethanesulfonic acid; fluorine In trichlorofluoromethane at -25℃; for 3h; Further byproducts given. Title compound not separated from byproducts; |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; n-butyllithium; dihydrogen peroxide In tetrahydrofuran; hexane; toluene | |
| With hydrogenchloride; n-butyllithium; dihydrogen peroxide In tetrahydrofuran; hexane; toluene |
- 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 | Yield |
|---|---|
| With dihydrogen peroxide In acetonitrile at 60℃; for 15h; Catalytic behavior; |
- 2713-31-7
2,5-difluorophenol
- 88-10-8
N,N-diethylcarbamyl chloride
- 1207163-57-2
O-2,5-difluorophenyl N,N-diethylcarbamate
| 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; |
| Conditions | Yield |
|---|---|
| at 170℃; for 1h; | 99% |
2,5-Difluorophenol Chemical Properties
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℃
2,5-Difluorophenol Uses
2,5-Difluorophenol 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
2,5-Difluorophenol 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.
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