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4-Fluoro-3-phenoxybenzaldehyde

4-Fluoro-3-phenoxybenzaldehyde structure

4-Fluoro-3-phenoxybenzaldehyde 

structure
  • CAS No:

    68359-57-9

  • Formula:

    C13H9FO2

  • Chemical Name:

    4-Fluoro-3-phenoxybenzaldehyde

  • Synonyms:

    Benzaldehyde,4-fluoro-3-phenoxy-;4-Fluoro-3-phenoxybenzaldehyde;3-Phenoxy-4-fluorobenzaldehyde

  • Categories:

    Agrochemicals  >  Pesticide Intermediates

4-Fluoro-3-phenoxybenzaldehyde Basic Attributes

216.21

216.21

269-856-2

DTXSID0073611

2913000090

Characteristics

26.3

3.21

Colorless Liquid

1.2±0.1 g/cm3

310

>230 °F

1.591

Safety Information

9

UN 3082 9/PG 3

2

22-51/53

61

Xn,N

Harmful

P273-P301 + P312 + P330-P391-P501

H302-H411

|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P264, P270, P280, P301+P312, P305+P351+P338, P330, P337+P313, and P501|Aggregated GHS information provided by 40 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

4-Fluoro-3-phenoxybenzaldehyde Use and Manufacturing

Methods of Manufacturing

The preparation methods reported in the literature have the following methods. Use fluorobenzene as raw material. The above methods using p-toluidine as raw material and p-chlorotoluene as raw material have certain shortcomings. They are either long process routes, low yields, many wastes, and difficult industrialization. Industrial preparation is to use p-fluorobenzaldehyde as a raw material, first bromination with bromine to obtain 3-bromo-4-fluorobenzaldehyde, and further condensation with phenol must be carried out under alkaline conditions, and under alkaline conditions, 3- Bromo-4-fluorobenzaldehyde is prone to Conicaro reaction to generate the corresponding acid and alcohol. For this reason, the aldehyde group must be protected, protected with ethylene glycol to generate acetal, and then etherified with sodium phenolate. Finally, hydrolysis is performed to obtain 3-phenoxy-4-fluorobenzaldehyde.

Uses

3-Phenoxy-4-fluorobenzaldehyde is an important intermediate for pyrethroids such as cyfluthrin, budesin, cyfluthrin and hydrocarbon pyrethrins.

Benzaldehyde, 4-fluoro-3-phenoxy-: ACTIVE|PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

Computed Properties

Molecular Weight:216.21
XLogP3:3
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:3
Exact Mass:216.05865769
Monoisotopic Mass:216.05865769
Topological Polar Surface Area:26.3
Heavy Atom Count:16
Complexity:226
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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