Intermediate Products

K acid(Naphthylamine-3,6,8-Trisulfonic Acid)

T acid, Gamma acid (2-Amino-8-Naphthol-6-Sulfonic Acid)

Dihydroxy G salt (2,8-dihydroxy naphthalene-6-sodium sulfonate)

2-Naphthol-6-Sulfonic Acid Photassium

SCHAEFFER'S SALT (2-Naphthol-6-Sulfonic Acid Sodium)

Broener Acid (2-Naphthylaminc-6-Sulfonic Acid)

G Salt(2-Naphthol-6,8-dipotassium disulfonate)

R Salt(2-Naphthol-3,6-disodium Sulfoncle)

2-Amino-4-Nitrophenol-6-Sulfonic Acid

1,8-Naphthalic Anhyd

3,4,9,10-Perylenetetracarboxylic acid anhydride