1,3-Difluoro-5-methoxybenzene
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1,3-Difluoro-5-methoxybenzene
structure -
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CAS No:
93343-10-3
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Formula:
C7H6F2O
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Chemical Name:
1,3-Difluoro-5-methoxybenzene
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Synonyms:
Benzene,1,3-difluoro-5-methoxy-;1,3-Difluoro-5-methoxybenzene;3,5-Difluoroanisole
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CAS No:
Characteristics
9.2
2.7
Clear colorless Liquid
1.2±0.1 g/cm3
145-148 °C @ Press: 760 Torr
111 °F
1.453
Flammables area
Safety Information
Ⅲ
3
UN 1993 3/PG 3
3
10-36/37/38
16-26-36/37/39-7/9
Xi,F
Flammable
Stable at room temperature in closed containers under normal storage and handling conditions.
P261-P305 + P351 + P338
H226-H315-H319-H335
|Warning|H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 45 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
1,3-Difluoro-5-methoxybenzene Use and Manufacturing
To a stirred suspension of A1.1 (12.5 g, 96 mmol) and KTo a stirred suspension of Al .1 (12.5 g, 96 mmol) and K2C03 (66.0 g, 480 mmol) in acetone (400mL) was added methyl iodide (27 mL, 480 mmol) in one portion. Then the reaction mixture was heated at 60 °C for 18 h. After cooling to rt, excess solvent was removed under vacuum and 150 mL of H20was added, which was extracted with Et20 (2 x300 mL). The combined organic layerswere washed with aq. NaOH (0.1 M, 100 mL) and H20 (100 mL) in sequence, dried overNa2SO4, filtrated and concentrated under reduced pressure to give the title compound(12.0 g, 80percent) as a colorless oil. 1H-NMR (400 MHz, CDCI3) O ppm 3.81 (5, 3H), 6.43 -6.46 (m, 3H).
Intermediate for medicine, pesticide, liquid crystal material.
Computed Properties
Molecular Weight:144.12
XLogP3:2.7
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:1
Exact Mass:144.03867113
Monoisotopic Mass:144.03867113
Topological Polar Surface Area:9.2
Heavy Atom Count:10
Complexity:97.8
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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