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1-Chloro-2-fluorobenzene

Catalog No. B21209 Name Alfa Aesar
CAS Number 348-51-6 Website
M. F. C6H4ClF Telephone
M. W. 130.5473632 Fax
Purity 98+% Email
Storage Chembase ID: 94455

SYNONYMS

Title
1-氯-2-氟苯
IUPAC name
1-chloro-2-fluorobenzene
IUPAC Traditional name
1-chloro-2-fluorobenzene
Synonyms
2-Chlorofluorobenzene

DATABASE IDS

EC Number 206-476-8
MDL Number MFCD00000533
Beilstein Number 1855301
CAS Number 348-51-6

PROPERTIES

Melting Point -43°C
Refractive Index 1.5010
Boiling Point 137-138°C
Density 1.242
Flash Point 31°C(87°F)
GHS Pictograms GHS02
GHS Pictograms GHS07
GHS Hazard statements H226-H332-H315-H319-H335
European Hazard Symbols X
GHS Precautionary statements P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A
Risk Statements 10-20-36/37/38
Safety Statements 26-36/37
TSCA Listed
Hazard Class 3
UN Number UN1993
Packing Group III
Purity 98+%

DETAILS

REFERENCES

  • Benzyne precursor, compare 1-Bromo-2-fluorobenzene, A10635.
  • Lithiation at low temperatures with n-BuLi occurs ortho to F; subsequent reaction with electrophiles provides access to mixed dihalo derivatives such as 3-chloro-2-fluorobenzoic acid: Tetrahedron Lett., 36, 881 (1995). Improved yields are obtained by the use of the superbasic combination of n-BuLi and KO-t-Bu: Tetrahedron Lett., 37, 6551 (1996).