Water Soluble Dye | Acid Yellow 23 | Ranbar Yellow SR3080-2 Acid Dyes

Index number: Acid Yellow 23

CAS Registry Number: 1934-21-0

Molecular formula: C16H9N4Na3O9S2

Molecular weight (g/mol): 534.356

Chemical Category: Monoazo

Dye type: Acid dyes (anionic dyes)

Solubility: easily soluble in water

Color hue: red light yellow

Physicochemical properties:

Appearance and properties	Orange-yellow powder
Coloring intensity	100±3%
Fineness (80um sieve residue)	≤5.0%
Solubility (80℃)	≤50g/L
Insoluble matter content	0.28%
Water content	4.56%
Lightfastness	Grade 4

Product introduction:
Ranbar Yellow SR3080-2 is a bright red-yellow monoazo water-soluble acid dye, Acid Yellow 23, it has the appearance of orange-yellow powder-like, with good solubility and excellent dyeing power, easily soluble in water, slightly soluble in ethanol and soluble cellulose, insoluble in other organic solvents, it's dissolved in water is red phase yellow, the solution does not change color with the addition of hydrochloric acid, adding Sodium hydroxide will deepen the red light.

Product Application:
Ranbar SR3080-2 water-soluble dyestuff is mainly used for dyeing and direct printing of wool, silk, acetate, and polyamide fibers, and also for coloring paper, leather, wood, water-based pens, soap, etc. It can also be used for coloring cosmetics.

Ranbar Yellow SR3080-2 Acid dyes are recommended to be dyed in a bath with a pH value of 4-7 and a temperature of 70-90 ° C, wool dyeing is recommended to be done in formic acid or sulfuric acid bath, adding sodium sulfate helps to make the dye evenly dyed, and silk dyeing is recommended to be done in an acetic acid bath.

Color Model	Index number	Color hue	Characteristics and applications
Rose SR1220-2	Acid Red 52	Blue-Red +1	Acid dyes Anionic dyes Water-soluble dyes Slightly higher sunlight resistance grade Wool Woolen thread Water-based water pen Wood
Big red SR1610-2	Acid Red 18	Yellow-Red, Deep Red
Yellow SR3080-2	Acid Yellow 23	Red-Yellow
Grass green SR4360-2	Mixed	Yellow-Green
Blue SR5030-2	Acid Blue 7	Green-Blue +1
Blue SR5028-2	Acid Blue 9	Green-Blue

Tip: Due to the difference in filming equipment and light angle, the color shown will have a slight error, the color is for reference only, and the actual application of the product to show the effect shall prevail.