Process for the preparation of nitro-T-acid (8-nitro-naphthalene

Details Process for the preparation of nitro-T-acid (8-nitro-naphthalene Process for the preparation of nitro-T-acid (8-nitro-naphthalene

1980-12-24

1983-03-22

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260688, C07C14355, C07B 1100

Patent

active

043775357

ABSTRACT:
A process has been provided for the preparation of nitro-T-acid by nitration of naphthalene-1,3,6-trisulphonic acid from a nitration mixture which has reacted to the extent of at least 80% which naphthalene-1,3,6-trisulphonic acid or a mixture containing the latter. Nitro-T-acid (and T-acid) is an intermediate for the preparation of H-acid which, in turn, is an intermediate for the preparation of dyestuffs.

REFERENCES:
Kirk-Othmer "Encyclopedia of Chemical Technology", vol. 13, p. 716, (1967), Interscience, Publ. TP9.E68.
"Ullmanns Encyklopaedie der technischen Chemie", vol. 12, pp. 630-631 (1960), TP9.U6.
"Hackh's Chemical Dictionary", 4th Ed. (1969), p. 457.

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