C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/611
C07C 79/12 (1985.01)
Patent
CA 1201129
ABSTRACT OF THE DISCLOSURE µ Disclosed is a process for producing pentachloronitrobenzene (PCNB) by reacting hexachlorobenzene (HEX) with sodium hydro- sulfide (NaSH) in the presence of sodium hydroxide (NaOH), sodium carbonate (Na2CO3), or mixtures thereof to produce the sodium salt of pentachlorothiophenol (PCTP), followed by reacting it (or PTCP itself after acidifying) with nitric acid in the presence of sulfuric acid or oleum.
446719
Dietrich Robert F.
Gay Walter A.
Gowling Lafleur Henderson Llp
Uniroyal Inc.
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