1,3-Dichloro-2,5-difluorobenzene
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1,3-Dichloro-2,5-difluorobenzene
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CAS No:
2367-80-8
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Formula:
C6H2Cl2F2
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Chemical Name:
1,3-Dichloro-2,5-difluorobenzene
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Synonyms:
Benzene,1,3-dichloro-2,5-difluoro-;1,3-Dichloro-2,5-difluorobenzene;2,6-Dichloro-1,4-difluorobenzene
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CAS No:
Characteristics
0
3.4
1.5±0.1 g/cm3
-10-3.5 °C
65-66 °C @ Press: 20 Torr
60.4±19.4 °C
1.504
10.1mmHg at 25°C
1,3-Dichloro-2,5-difluorobenzene Use and Manufacturing
add 1600 g to the reaction vessel2, 5-difluoro-4, 6-dichloroaniline, 6800 mL DMF, Temperature control to 50 -65 C, Slowly add 1780 g with stirringIsoamyl nitrite, During the joining process, Do not exceed 65 C, After the addition, Keep the reaction for a while, GC tracking, Until the end of the reaction.After the reaction, Let it cool, Add 1, 2-dichloroethane, Add water, Liquid separation, After the oil phase is washed, Dissemination, Then the oil phase is steamed, dry, Obtaining a yellow oily liquid2, 5-difluoro-1, 3-dichlorobenzene 729 g, The yield is 49.5 %, The purity is 98%.
1,3-Dichloro-2,5-difluorobenzene
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