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Acid Blue 59

Name:C.I.Acid Blue 59,C.I.50315

Molecular Structure: azine class

C.I.Acid Blue 59,C.I.50315,CAS 6378-88-7,670.69,C34H23N4NaO6S2,Sandolan Blue N-B

C.I.Acid Blue 59,C.I.50315,CAS 6378-88-7,670.69,C34H23N4NaO6S2,Sandolan Blue N-B

Molecular Formula:C34H23N4NaO6S2

Molecular Weight: 670.69

CAS Registry Number:6378-88-7

Manufacturing Methods : 6,8-Bis(phenylamino)naphthalene-1-sulfonic acidand 5-Amino-2-(phenylamino)benzenesulfonic acid condensation, its product to (add) ammonia of cuprous oxide as the catalyst for air oxidation.

Properties and Applications: red light blue. Red light blue powder, easily soluble in water, but soluble in ethanol (for purple) and soluble fiber element, insoluble in benzene, toluene. The strong sulfuric acid dyes are green, diluted into red light blue; In nitric acid are Deep violet color. The water soluble for blue, add sodium hydroxide to red brown, precipitation; Add hydrochloric acid to purplish blue, precipitation. In dyeing iron ion turned dark colored, copper ions in the dark colored. Used for wool, silk, polyamide fiber and its blending fabric, the influential wool fabric dyeing and printing directly, can also be used for leather, nitro cellulose paint color. The heavy metal salt can be used as organic pigments used to paint.

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

List of Suppliers:

Sandolan Blue N-B( Clariant GmbH )


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