Acid Dye - Acid Blue 7 | Ranbar Blue SR5030-2 Triarylmethane Dye

Index number: Acid Blue 7

CAS Registry Number: 3486-30-4

Molecular formula: C37H35N2NaO6S2

Molecular weight: 690.81

Molecular structure: Triarylmethane

Dye type: Acid dyes (anionic dyes)

Solubility: easily soluble in water

Color hue: greenish blue

Physicochemical properties:

Appearance and properties	Blue powder
Coloring intensity	100±3%
Bulk density	0.5g/cm³
PH value	8.5-9.5
Solubility (80℃)	40g/L
Insoluble matter content	≤1.0%
Water content	≤5.0%
Lightfastness	Grade 2

Product introduction:
Ranbar Blue SR5030-2 is a green light blue triarylmethane acid dye, acid blue 7, the appearance of a blue powder, with bright color, and a high dyeing effect, the dye in water solubility is good, dissolved in water at room temperature is a transparent green  light blue aqueous solution, no aggregation tendency, add sodium hydroxide will change, heated to boiling color from blue to purple Dissolve in ethanol as blue, olive green when it meets strong sulfuric acid, and yellow when diluted.

Product Application:
Ranbar Blue SR5030-2 is a water-soluble dye easily soluble in water and has a strong affinity for various fibers, able to combine with many different types of fibers and substrates, this characteristic makes it widely used in the textile industry for dyeing and printing of silk, wool, wool, nylon, nylon fabrics and other fiber materials, also can be used in leather, rubber, paper, wood, soap and cosmetic coloring, wood, soap, and cosmetic coloring, etc.

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.