sodium 4-amino-5-hydroxy-6-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulphonate

CAS NO.：3687-83-0
Empirical Formula: C16H10N5NaO9S
Molecular Weight: 471.33347
EINECS: 222-985-8

What is sodium 4-amino-5-hydroxy-6-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulphonate?

Preparation

2-Amino-4,6-dinitrophenol diazotization, in alkaline condition and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

deep green. Soluble in water for purple. In concentrated sulfuric acid to red light purple, purple brown after diluted for precipitation; In concentrated sodium hydroxide solution for brown light blue.

Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
			Alkali	Acid
ISO	4	3-4	4	5	5	4	5

Safety information for sodium 4-amino-5-hydroxy-6-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulphonate

New Products

4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Diclofenac Sodium IP/BP/EP/USP Mefenamic Acid IP/BP/EP/USP Ornidazole IP Diclofenac Potassium THOMAIND PAPER PH 2.0 TO 4.5 1 BOX BUFFER CAPSULE PH 9.2 - 10 CAP SODIUM CHLORIDE 0.1N CVS ALLOXAN MONOHYDRATE 98% PLATINUM 0.5% ON 3 MM ALUMINA PELLETS (TYPE 73) LITHIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acid

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