Method for producing 1-naphthol-4-sulphonic acid

Details Method for producing 1-naphthol-4-sulphonic acid Method for producing 1-naphthol-4-sulphonic acid

1984-08-30

1985-09-10

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14342

Patent

active

045405255

ABSTRACT:
Disclosed is a method for producing 1-naphthol-4-sulphonic acid in free acid form and contaminated with less than 2% by weight of the isomeric 1-naphthol-2-sulphonic acid.

REFERENCES:
patent: 1452481 (1923-04-01), Boddiley et al.
patent: 1570046 (1926-01-01), Crossley et al.
patent: 1662396 (1928-03-01), Parmelee
patent: 3994966 (1976-11-01), Hagedorn

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