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必应染料-您身边的染料专家

Direct Blue 133

Name:C.I.Direct Blue 133,C.I.34005

Molecular Structure: trisazo class

C.I.Direct Blue 133,C.I.34005,CAS 8006-04-0,889.82,C38H26N7Na3O9S3,Nephthogene Blue 4R

C.I.Direct Blue 133,C.I.34005,CAS 8006-04-0,889.82,C38H26N7Na3O9S3,Nephthogene Blue 4R

Molecular Formula:C38H26N7Na3O9S3

Molecular Weight: 889.82

CAS Registry Number:8006-04-0

Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazo, and Naphthalen-1-amine coupling, product to diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, and 2,5-Dimethylbenzenamine coupling.

Properties and Applications: dark red light to dark purple light blue. Soluble in water for red light purple and blue, slightly soluble in alcohol. The strong sulfuric acid in the green light for black, diluted Dark violet color to brown for precipitation. The dye solution to join sulfuric acid 10% tiny change of blue; Add 10% sodium hydroxide solution for red light purple.

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

List of Suppliers:

Nephthogene Blue 4R( Aktiengesellschaft für Anilin-Fabrikation )


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