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Acid Yellow 127 73384-78-8
Category : Dyestuffs and Pigments/Acid Dyes
CAS NO : 73384-78-8 EC NO : 277-419-2 MF : C26H20Cl2N9NaO4S MW : 648.4557 Product description : Name:C.I.Acid Yellow 127,C.I.18888
Molecular Structure: Single azo class
C.I.Acid Yellow 127,C.I.18888,CAS 73384-78-8,803.63,C26H20Cl2N9NaO4S,Weak Acid Yellow 3GL,Acid Yellow 5G,Acid Yellow 5GW,Neutral Brilliant Yellow 3GL,Neutral Yellow 3GL
Molecular Formula:C26H20Cl2N9NaO4S
Molecular Weight: 803.63
CAS Registry Number:73384-78-8
Properties and Applications: colourful green light yellow. Yellow powder, soluble in water. The strong sulfuric acid for yellow, diluted still is yellow, accompanied by precipitation; In strong hydrochloric acid for yellow, diluted unchanged; In the nitric acid is yellow, diluted and precipitation for tender yellow; In the thick of sodium hydroxide solution of decomposition, after diluted yellow precipitation. The dye solution for green light light yellow, boil can get clear solution. Used for wool, silk, polyamide fiber fabric dyeing and printing directly, can also be used for leather color.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
6
4
5
5
4-5
4-5
5
5
2.International Similar Brand
Weak Acid Yellow 3GL
Acid Yellow 5G
Acid Yellow 5GW
Neutral Brilliant Yellow 3GL
Neutral Yellow 3GL
AACL Yellow 3GL
Acid Brilliant Yellow 3GL
Acid Yellow 3GL
Akacid Yellow 3GL
Aminyl Yellow F-5GL
Best Acid Milling Yellow 5GW
Concorde Acid Yellow 5GW
Everacid Yellow N-5GW
Kayanol Milling Yellow 5GW
Synonyms : Sodium 4-((4-chloro-6-(methylanilino)-1,3,5-triazin-2-yl)amino)-2-((1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)benzenesulphonate;sodium 4-({4-chloro-6-[methyl(phenyl)amino]-1,3,5-triazin-2-yl}amino)-2-{(E)-[1-(2-chlorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}benzenesulfonate; Molecular Structure : 
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Acid Yellow 127