Dinatrium-4,4'-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-1,1'-biphenyl-2,6'-disulfonat

Bezeichnung:Dinatrium-4,4'-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-1,1'-biphenyl-2,6'-disulfonat

CAS-Nr6375-55-9

Englisch Name:Acid Yellow 42

CBNumberCB7719987

SummenformelC32H27N8NaO8S2

Molgewicht738.73

MOL-Datei6375-55-9.mol

Synonyma

Dinatrium-4,4'-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-1,1'-biphenyl-2,6'-disulfonat

Dinatrium-4,4'-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-1,1'-biphenyl-2,6'-disulfonat physikalisch-chemischer Eigenschaften

Dichte	1.617[at 20℃]
Wasserlöslichkeit	17.27g/L at 20℃
InChIKey	XYNGYONLRYFQNO-UUIOKUIJSA-N
SMILES	S(C1C=C(/N=N/C2C(=NN(C3C=CC=CC=3)C2=O)C)C=CC=1C1C=CC(/N=N/C2C(=NN(C3C=CC=CC=3)C2=O)C)=CC=1S(O)(=O)=O)(O)(=O)=O.[NaH]
LogP	-1.122 at 20℃
EPA chemische Informationen	C.I. Acid Yellow 42, disodium salt (6375-55-9)

Sicherheit

TSCA	TSCA listed

Gefahreninformationscode (GHS)

Acid Yellow 42 Chemische Eigenschaften,Einsatz,Produktion Methoden

Chemische Eigenschaften
Bright yellow powder. Soluble in water, aqueous solution is lemon yellow. Aqueous solution added concentrated hydrochloric acid, concentrated sodium hydroxide, the color does not change. Soluble in ethanol is lemon yellow, slightly soluble in acetone. Lemon yellow in concentrated sulfuric acid, the color is unchanged after dilution. When stained with copper ions, the color becomes slightly reddish dark, when encountered with iron ions, the color becomes dark green, when encountered with chromium ions, the color remains unchanged.
Verwenden
C.I. Acid yellow 42 is an acidic yellow dye that can be adsorbed and removed by bentone.
synthetische
2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one (2 Moore) coupled.
Flammability and Explosibility
Not classified

Properties and Applications

yellow to red light yellow. Bright yellow powder. A lemon yellow soluble in water, soluble in ethanol is lemon yellow, slightly soluble in acetone. Meet strong sulfuric acid is lemon yellow, dilute still is shown after lemon yellow. Its water solution meet strong hydrochloric acid is lemon yellow; Sodium hydroxide solution meet strong a lemon yellow. In dyeing of copper (a little red dark, encounter chromium ion unchanged, encounter iron ion turn green dark. Mainly used for wool dyeing and can be used for wool, silk and glue directly printing, has the good discharge sex, can be used for the polyamide fiber dyeing and leather shading.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	4-5	4-5	5	4-5	4	5	4	5
AATCC	4	4-5	4-5	4-5	1	2-3	4-5	4-5

Einzelnachweise
[1] Baskaralingam P, Pulikesi M, Elango D, et al. Adsorption of acid dye onto organobentonite[J]. Journal of hazardous materials, 2006, 128(2-3): 138-144.

Acid Yellow 42 Upstream-Materialien And Downstream Produkte

Dinatrium-4,4'-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-1,1'-biphenyl-2,6'-disulfonat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

6375-55-9, Acid Yellow 42 Verwandte Suche:

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