Solvent Yellow 21

Solvent Yellow 21 Basic information

Product Name:	Solvent Yellow 21
Synonyms:	Neutral Yellow 2GL;Chromate (1-), bis [2-[[(4, 5-dihydro)-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl]azo], benzoato(2-)], hydrodgen;Bricosol Yellow K2RV;Caprozol Brilliant Yellow 2K;Filamid Yellow R;Lampronol Yellow 2RN;Yellow 2GL;Yellow FR
CAS:	5601-29-6
MF:	C34H25CrN8O6
MW:	693.62
EINECS:	227-022-5
Product Categories:	Dyes and Pigments;Organometallics;Solvent Dyestuff
Mol File:	5601-29-6.mol

Solvent Yellow 21 Chemical Properties

density	1.445[at 20℃]
vapor pressure	0Pa at 25℃
Water Solubility	170.1mg/L at 20℃
LogP	1.098 at 20℃
EPA Substance Registry System	Chromate(1-), bis[2-[[4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1-phenyl-1H-pyrazol-4-yl]azo-.kappa.N1]benzoato(2-)-.kappa.O]-, hydrogen (5601-29-6)

Safety Information

MSDS Information

Solvent Yellow 21 Usage And Synthesis

Preparation

3-Amino-4-hydroxybenzenesulfonic acid?diazo, and 3-Oxo-N-phenylbutanamide coupling, and then and chlorinated cobalt complexation and filtering.

Flammability and Explosibility

Nonflammable

Properties and Applications

the original dyes as deep yellow powder. Slightly soluble in water, soluble in ethylene glycol ether and DMF and organic solvent such as ethanol, soluble in organic solvent for tan after solution is finished product. Mainly used for pigskin, such as cow leather, goat natural leather finishing the spray or curtains, especially suitable for aniline leather spraying shading.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO
AATCC

Solvent Yellow 21 Preparation Products And Raw materials

Raw materials

Formamide-->Anthranilic acid-->Cobalt chloride-->Acetoacetanilide-->2-Ethoxyethanol-->1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one-->2-Aminophenol-4-sulfonic acid-->Chromium formate-->Chromaking agent-->Acetoacetanilide-->5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one-->2-Aminophenol-4-sulfonic acid-->Anthranilic acid

Solvent Yellow 33 Solvent Yellow 2 Methylparaben 4-AMINOAZOBENZENE Nickel niobium titanium yellow rutile Methyl Parathion-methyl 1,8-Bis(phenylthio)-9,10-anthracenedione Folic acid Kresoxim-methyl PHENYL VALERATE Thiophanate-methyl Methyl acrylate Methyl bromide Phosphorus CI 13015 SOLVENT Citric acid

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Solvent Yellow 21

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