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6 NITRO 1 DIAZO 2 NAPHTHOL 4 SULPHONIC ACID			Uses: Intermediate for acid dyes
Synonyms	:	1 diazo 2 hydroxy 6 nitro naphthalene 4 sulphonic acid
Empirical Formula	:	C₁₀H₆O₆ N₃ S
Mol. Wt.	:	295
C A S No.	:	5366-34-7
Purity	:	65% min
Physical Appearance	:	Yellow to brown moist material

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6 NAPSA			Uses: Intermediates for dyes
Synonyms	:	6 nitro 2 amino phenol 4 sulphonic acid 3 amino 4 hydroxy 5 nitro benzene sulphonic acid
Empirical Formula	:	C₆H₆O₆ N₂ S₂
Mol. Wt.	:	234
C A S No.	:	96-93-5
Purity	:	65% (min)
Physical Appearance	:	Yellowish wate cake material

RESIST SALT			Uses: Resist printing, oxidising agent, intermediate for dyes
Synonyms	:	Nitrobenzene 3 sulphonic acid (sodium salt)
Empirical Formula	:	C₆H₄₉NO₅SNa
Mol. Wt.	:	225.5
C A S No.	:	127-68-4
Purity	:	96% (min) + 97% (min)
Physical Appearance	:	Light yellowish powder / Granules

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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