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必应染料-您身边的染料专家

Direct Black 14

Name:C.I.Direct Black 14,C.I.30345

Molecular Structure: trisazo class

C.I.Direct Black 14,C.I.30345,CAS 4656-30-8,979.82,C38H24N9Na3O13S3

C.I.Direct Black 14,C.I.30345,CAS 4656-30-8,979.82,C38H24N9Na3O13S3

Molecular Formula:C38H24N9Na3O13S3

Molecular Weight: 979.82

CAS Registry Number:4656-30-8

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, and 4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid and products in the coupling alkaline conditions coupled, then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  coupling.

Properties and Applications: blue and black. Soluble in water for dark, soluble in ethanol for blue light green. In the dark for the strong sulfuric acid to blue-black, diluted galleries for. The dye solution to join strong hydrochloric acid for navy, precipitation; Join the red light sulfuric acid 10%; Add thick sodium hydroxide solution have dark blue precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2-3 4-5 3-4 2 2

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