China Supplier Acid Black Bg - Factory Supply Acid Red 111 At Good Price –

Synonyms:C.I. Acid Red 111; C.I. Acid Red 111, disodium salt; 2,7-Naphthalenedisulfonic acid, 3-(2-(2,2′-dimethyl-4′-(2-(4-(((4-methylphenyl)sulfonyl)oxy)phenyl)diazenyl)(1,1′-biphenyl)-4-yl)diazenyl)-4-hydroxy-, sodium salt (1:2)disodium (3E)-3-(2-{2,2′-dimethyl-4′-[(E)-(4-{[(4-methylphenyl)sulfonyl]oxy}phenyl)diazenyl]biphenyl-4-yl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate; disodium 4-hydroxy-3-[3-methyl-4-[2-methyl-4-[4-(p-tolylsulfonyloxy)phenyl]azo-phenyl]phenyl]azo-naphthalene-2,7-disulfonate
Appearance:Red powder
Solubility:Soluble in water. When dyeing, it is sensitive to copper and iron ions and affects the color light. White extraction is at medium grade.
Specifications:

Application:It is orange red in water, orange in ethanol and acetone and ethylene glycol ether. Adding concentrated hydrochloric acid to its aqueous solution produces reddish brown precipitation; Added to concentrated sodium hydroxide solution, it is red orange brown. The product is red purple in concentrated sulfuric acid and deep peach red after dilution; It turns dark blue red in concentrated nitric acid and then turns orange. It is suitable for dyeing wool and nylon. It has bright color and good wet treatment fastness. When wool and a variety of fibers are dyed in the same bath, nylon is dyed with light silk color, polyester and acrylic are slightly stained with color, and cellulose fibers are not stained. It can also be used for direct printing of silk and wool fabrics and coloring of leather. It can also be mixed with weak acid peach red BS to dye all kinds of bright red.
Quality guarantee period: 36 months.
Packing: 25kgs paper carton.
Storage:Store in a cool and ventilated room and prevent moisture and heat.