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Direct Red 111

Name:C.I.Direct Red 111,C.I.40290

Molecular Structure: Azo,Stilbenes

C.I.Direct Red 111,C.I.40290,CAS 1325-65-1,ACDI Brown G2R,Brown G2R,Fast Brown 2RD, Brown CRR

C.I.Direct Red 111,C.I.40290,CAS 1325-65-1,ACDI Brown G2R,Brown G2R,Fast Brown 2RD, Brown CRR

Molecular Formula:

Molecular Weight:

CAS Registry Number:1325-65-1

Manufacturing Methods : in reflux conditions (or a little take pressure), in sodium hydroxide solution (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid with  2-Aminobenzenesulfonic acid diazotization and Naphthalen-1-amine coupled with heating products. Reaction to the different proportion of material that get different commodity dye.

Properties and Applications: dark red yellow light. Soluble in water for orange brown, slightly soluble in alcohol. The strong sulfuric acid for blue-ray in black and Gray light black, dilute for yellow brown to olive after brown. The dye solution to join strong hydrochloric acid have yellow olive brown precipitation; Add thick sodium hydroxide solution for palm light orange.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 5 5-6 2-3 2-3
AATCC 2-3 4 4-5 2 2

List of Suppliers:

ACDI Brown G2R (Aakash Chemicals & Dyestuffs Inc)

Anardirect Red AAA ( Anar Chemical Industries )

Derma Brown G2R 140 ( Clariant GmbH )

Dyrect Fast Brown 2RD ( Albion Colours Ltd)

Orcomine Brown RG 115%( Organic Dyestuffs Corp )

Permalite Brown 2R Conc ( Standard Dyes )

Pidictive Red ( Pidilite Industries Ltd. )

Solamine Light Brown (CBW Chemie GmbH Bitterfeld-Wolfen)

Vopsider Brown DL4R( Sintofarm SA )

Wogenal Brown CRR(CBW Chemie GmbH Bitterfeld-Wolfen)


One Response to “Direct Red 111”

  1. […] Methods :C.I. Direct Red 111,C.I. Direct Red112 [by reflux conditions (or slightly belt pressure), in the sodium hydroxide […]

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