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METANILIC ACID			Uses: Intermediate for dyes & optical whitening agent
Synonyms	:	1 amino benzene 3 sulphonic acid 1 naphthylamine 3 sulphonic acid
Empirical Formula	:	C₆H₇NO₃ NS
Mol. Wt.	:	173
C A S No.	:	121-47-1
Purity	:	99.0% (min)
Physical Appearance	:	Off white powder

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ANILINE 2:5 DISULPHONIC ACID			Uses: Intermediate for reactive dyes & optical whitening agents
Synonyms	:	1 amino 2,5 disulphonic benzene
Empirical Formula	:	C₆H₇N S₂O₆
Mol. Wt.	:	253 (free acid)
C A S No.	:	98-44-2
Purity	:	80% (min)
Physical Appearance	:	Off white powder

GAMMA ACID			Uses: Intermediate for direct, rective & acid dyes
Synonyms	:	2 amino 8 naphthol 6 sulphonic acid 2 naphthalene sulphonic acid 6 amino 4 hydroxy
Empirical Formula	:	C₁₀H₉O₄ NS
Mol. Wt.	:	239
C A S No.	:	90-51-7
Purity	:	90% (min)
Physical Appearance	:	Light grey 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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