dye|World dye variety

Name:C.I.Food Black 1,C.I.28440

Molecular Structure: Double azo class

C.I.Food Black 1,C.I.28440,CAS 2519-30-4,867.68,C28H17N5Na4O14S4

Molecular Formula:C₂₈H₁₇N₅Na₄O₁₄S₄

Molecular Weight: 867.68

CAS Registry Number:2519-30-4

Manufacturing Methods : 2-Aminobenzenesulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4-Acetamido-5-hydroxynaphthalene-1,7-disulfonic acid coupling.

Properties and Applications: black. Soluble in water for dark purple, slightly soluble in ethanol for red light blue. The strong sulfuric acid for Tracy in blue, blue for red after diluted. The dye solution to join strong hydrochloric acid for navy, add thick sodium hydroxide solution for black purple.

List of Suppliers:

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Cogilor Black 811.12 90058 ( Anstead International )

Conacert Black PN ( Proquimac Color )

Eurocert Brilliant Black BN ( Warner-Jenkinson Co )

Eurocert Brilliant Black BN 311802 ( Warner-Jenkinson Co )

Eurogran Brilliant Black BN( Warner-Jenkinson Co )

Hexacol Black PN ( Pointing Ltd )

Neelicol Brilliant Black BN( Neelikon Food Dyes and Chemicals Ltd )

Sicovit Brilliant Black 80 E l51 ( BASF Aktiengesellschaft )

Simfood Brilliant Black PN ( Simpsons (UK) Ltd )

Sipalim Black E151 ( SIPO Srl )

Solagen Brilliant Black BN ( Cassella AG )

Water Black 176559( Morton International Ltd )

Water Black 176578( Morton International Ltd )