ChemicalBook--->CAS DataBase List--->2367-91-1

2367-91-1

2367-91-1 Structure

2367-91-1 Structure
IdentificationMore
[Name]

1-Chloro-2,5-difluorobenzene
[CAS]

2367-91-1
[Synonyms]

1-CHLORO-2,5-DIFLUOROBENZENE
2,5-DIFLUOROCHLOROBENZENE
2-CHLORO-1,4-DIFLUOROBENZENE
Benzene,2-chloro-1,4-difluoro-
1-CHLORO-2 5-DIFLUOROBENZENE 98%
1-Chloro-2,5-difluorobenzene, 98% [2-Chloro-1,4-difluorobenzene]
1-Chloro-2,5-difluorobenzene98%
[EINECS(EC#)]

624-315-3
[Molecular Formula]

C6H3ClF2
[MDL Number]

MFCD00042571
[Molecular Weight]

148.54
[MOL File]

2367-91-1.mol
Chemical PropertiesBack Directory
[Melting point ]

24.6 °C
[Boiling point ]

126-128 °C(lit.)
[density ]

1.352 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.478(lit.)
[Fp ]

68 °F
[storage temp. ]

2-8°C
[form ]

liquid
[color ]

Clear, faint yellow
[BRN ]

2081082
[CAS DataBase Reference]

2367-91-1(CAS DataBase Reference)
[NIST Chemistry Reference]

1-Chloro-2,5-difluorobenzene(2367-91-1)
Safety DataBack Directory
[Hazard Codes ]

Xn,F,Xi
[Risk Statements ]

R10:Flammable.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37:Irritating to eyes and respiratory system .
R36/37/38:Irritating to eyes, respiratory system and skin .
R11:Highly Flammable.
[Safety Statements ]

S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
[RIDADR ]

UN 1993 3/PG 2
[WGK Germany ]

3
[Hazard Note ]

Flammable
[HazardClass ]

3
[PackingGroup ]

III
[HS Code ]

2903998090
Hazard InformationBack Directory
[Chemical Properties]

Colorless liquid
[Synthesis]

Chlorobenzene

108-90-7

2-Chlorofluorobenzene

348-51-6

1-Chloro-4-fluorobenzene

352-33-0

1-Chloro-3-fluorobenzene

625-98-9

1-CHLORO-2,4-DIFLUOROBENZENE

1435-44-5

1-Chloro-3,4-difluorobenzene

696-02-6

1-Chloro-2,5-difluorobenzene

2367-91-1

GENERAL STEPS: In a FEP or PFA reactor fitted with a PTFE-lined magnetic stirring bar and connected to a gas scrubber bottle, substituted benzene (0.95-1.10 mmol), 1,1,1,3,3-pentafluorobutane (2 ml per ml of C6H5R), and BF3-Et2O (1.3-1.5 mmol per mmol C6H5R) were added. The mixture was stirred at 0-5 °C (ice bath) for 10-15 min, followed by batchwise addition of XeF2 (1.2-1.3 mmol per mmol C6H5R). After each addition, the mixture was stirred at 22-25 °C for 3-5 min and cooled to 0-5 °C again. After the addition was completed, the dark colored solution was continued to be stirred at 22-25°C for 15-30 minutes. At the end of the reaction, the reaction was quenched by the addition of 10% aqueous KHCO3, the upper organic layer was separated and filtered through a short column packed with silica gel (40-60 μm). The organic layer was dried with magnesium sulfate and analyzed by 19F NMR and GC/MS. The major products are listed in the table and the others are as follows (GC/MS data).

[References]

[1] Russian Journal of Organic Chemistry, 2016, vol. 52, # 10, p. 1400 - 1407
[2] Zh. Org. Khim., 2016, vol. 52, # 10, p. 1412 - 1419,8
Spectrum DetailBack Directory
[Spectrum Detail]

1-Chloro-2,5-difluorobenzene(2367-91-1)1HNMR
1-Chloro-2,5-difluorobenzene(2367-91-1)FT-IR
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

2-Chloro-1,4-difluorobenzene, 98%(2367-91-1)
[Sigma Aldrich]

2367-91-1(sigmaaldrich)
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