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必应染料-您身边的染料专家

Direct Brown 152

Name:C.I.Direct Brown 152,C.I.25370

Molecular Structure: Double azo class

C.I.Direct Brown 152,C.I.25370,CAS 6854-77-9,684.62,C25H22N10Na2O7S2,Para Fast Brown GR

C.I.Direct Brown 152,C.I.25370,CAS 6854-77-9,684.62,C25H22N10Na2O7S2,Para Fast Brown GR

Molecular Formula:C25H22N10Na2O7S2

Molecular Weight: 684.62

CAS Registry Number:6854-77-9

Manufacturing Methods : 1,3-Bis(4-amino-3-sulfophenyl)urea double nitriding, and Benzene-1,3-diamine (2 Moore) coupled.

Properties and Applications:  red light brown. Moderate soluble in water for golden yellow to orange, and adequate soluble in alcohol. The strong sulfuric acid for purple, for yellow brown after diluted. The dye solution to join strong hydrochloric acid for dark brown, have precipitation; Add thick sodium hydroxide solution discoloration.

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

List of Suppliers:

Para Fast Brown GR( Bayer Group )


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