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Acid Red 187

Name:C.I.Acid Red 187,C.I.16265

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Red 187,C.I.16265,CAS 6717-29-9,603.56,C20H19N3Na2O10S3

C.I.Acid Red 187,C.I.16265,CAS 6717-29-9,603.56,C20H19N3Na2O10S3

Molecular Formula:C20H19N3Na2O10S3

Molecular Weight: 603.56

CAS Registry Number:6717-29-9

Manufacturing Methods : 3-Amino-N,N-diethyl-4-methoxybenzenesulfonamide diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling, and then in water solution and sulfuric acid chromium common heating (130 ° C keep 2 hours, 135 ° C keep 2 hours), in contain alkali type sulphuric acid chromium dry for (in chrome complexation processes medium armor oxygen radicals displacement for hydroxyl).

Properties and Applications:  blue-ray red.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6-7 3-4 4 2 3-4
AATCC 5-6 3-4 4 1 4

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