2-Chloro-6-fluorobenzaldehyde
Appearance
Names | |
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Preferred IUPAC name
2-Chloro-6-fluorobenzaldehyde | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.006.237 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C7H4ClFO | |
Molar mass | 158.56 g·mol−1 |
Appearance | White solid |
Melting point | 32–35 °C (89.6-95 °F; 305–308 K) |
Boiling point | 104–105 °C (219–221 °F; 377–378 K) |
Insoluble in water | |
Solubility | Soluble in methanol, ethanol |
Hazards | |
GHS labelling: | |
Warning | |
H315, H319, H335, H401 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P321, P362+P364, P403+P233, P405, P501 | |
NFPA 704 (fire diamond) | |
Flash point | 101 °C (214 °F; 374 K) |
Related compounds | |
Related compounds
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2-Chloro-6-fluorobenzaldoxime Chlorobenzaldehyde Fluorobenzaldehyde |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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2-Chloro-6-fluorobenzaldehyde is a halogenated benzaldehyde derivative with the formula C6H3ClFCHO. It is an intermediate in the synthesis of halogenated heterocyclic compounds.[1][2]
Preparation, reactions, use
[edit]2-Chloro-6-fluorobenzaldehyde is prepared by oxidation of 2-chloro-6-fluorotolulene by chromyl chloride.[3]
It reacts with sodium hydroxide to give a mixture of 2-chloro-6-fluorobenzene and 6-chlorosalicaldehyde.[4]
2-Chloro-6-fluorobenzaldehyde is used in the production of the antiseptics dicloxacillin and flucloxacillin. Additionally it is used in the production of pesticides.
References
[edit]- ^ Daniewski, Andrzej R.; Liu, Wen; Püntener, Kurt; Scalone, Michelangelo (2002-05-01). "Two Efficient Methods for the Preparation of 2-Chloro-6-methylbenzoic Acid". Organic Process Research & Development. 6 (3): 220–224. doi:10.1021/op0102363. ISSN 1083-6160.
- ^ Naveen, S.; Kavitha, Chandagirikoppal V.; Sarala, G.; Anandalwar, SridharM.; Prasad, J. Shashidhara; Rangappa, Kanchugarakoppal S. (2006). "Crystal Structure of 3-(2-Chloro-6-fluorophenyl)-2-(4-methoxyphenyl)-acrylonitrile". Analytical Sciences: X-ray Structure Analysis Online. 22: X291–X292. doi:10.2116/analscix.22.x291. ISSN 1348-2238.
- ^ Willstaedt, Harry (1931). "Über Brom-Addition an substituierte Zimtsäuren". Berichte der Deutschen Chemischen Gesellschaft (A and B Series). 64 (10): 2688–2693. doi:10.1002/cber.19310641019.
- ^ Bunnett, J. F.; Miles, J. H.; Nahabedian, K. V. (1961). "Kinetics and Mechanism of the Alkali Cleavage of 2,6-Dihalobenzaldehydes 1". Journal of the American Chemical Society. 83 (11): 2512–2516. doi:10.1021/ja01472a022. ISSN 0002-7863.