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4 NITRO-2-AMINO PHENOL			Uses: Intermediate for dyes
Synonyms	:	2 amino-4 nitro 1 hydroxy benzene
Empirical Formula	:	C₆ H₆N₂ O₃
Mol. Wt.	:	154
C A S No.	:	99-57-0
Purity	:	70%
Physical Appearance	:	Greenish yellow moist powder

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SODIUM NAPHTHIONATE			Uses: Catalyst for chemical synthesis & intermediate for dyes
Synonyms	:	Sodium salt of 1 naphthylamine 4 sulphonic acid
Empirical Formula	:	C₁₀H₆NH₂SO₃Na
Mol. Wt.	:	245.2
C A S No.	:	130-13-2
Purity	:	75% (min)
Physical Appearance	:	Pinkish-off white moist crystal

1,4 SUPHO PHENOL 3 METHYL 5 PYRAZOLONE			Uses: Intermediate for dyestuff
Synonyms	:	4-[3 methyl-5 pyrazolone]-benzene sulphonic acid
Empirical Formula	:	C₁₀H₁₀N₂ O₄S
Mol. Wt.	:	245.3
C A S No.	:	74583-53-2
Purity	:	75% (min)
Physical Appearance	:	Off white greenish moist powder

DYES Intermediates :-
SULPHANILIC ACID (PURIFIED GRADE) | SODIUM SALT OF SULPHANILIC ACID (ON MOL.WT: 173)| ANILINE 2:4 DISULPHONIC ACID | METANILIC ACID | ANILINE 2:5 DISULPHONIC ACID | GAMMA ACID | H-ACID | VINYL SULPHONE ESTER OF ACETANILIDE (PARA BASE) | F.C ACID | D.A.S.A | PARA NITRO ANILINE | G-SALT | SULPHO TOBIAS ACID | K-ACID | 5 SULPHO ANTHRANILIC ACID | 4 NITRO-2AMINO PHENOL | SODIUM NAPHTHIONATE | 1,4 SUPHO PHENOL 3 METHYL 5 PYRAZOLONE | 1,4 SULPHO PHENYL 3: CARBOXY 5 PYRAZOLONE | 2:5 DICHLORO 1,4 SULPHO PHENYL 3 METHYL PYRAZOLONE | AMIDO G ACID | 6 NITRO 1 DIAZO 2 NAPHTHOL 4 SULPHONIC ACID | 6 NAPSA | RESIST SALT

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