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必应染料-您身边的染料专家

Direct Brown 227

Name:C.I.Direct Brown 227

Molecular Structure: trisazo class

C.I.Direct Brown 227,701.65,C32H24N9NaO7S,Direct Fast Catechine GNB

C.I.Direct Brown 227,701.65,C32H24N9NaO7S,Direct Fast Catechine GNB

Molecular Formula:C32H24N9NaO7S

Molecular Weight: 701.65

CAS Registry Number:

Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzamide double nitriding, first coupled with 2-Hydroxybenzoic acid
, again and 4-Aminobenzenesulfonic acid diazo, in acid conditions and Benzene-1,3-diamine match-mismatch things coupled.

Properties and Applications: Red light brown.

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

List of Suppliers:

Direct Fast Catechine GNB ( Aziende Colon Nazionali Affini (ACNA) )


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