dye|World dye variety

Name:C.I.Direct Orange 37,C.I.40260/40265

Molecular Structure: Stilbenes

C.I.Direct Orange 37,C.I.40260/40265,CAS 1325-61-7,Light Fast Orange 4R,Direct Fast Orange L3R,Direct Light Orange 3R

Molecular Formula:

Molecular Weight:

CAS Registry Number:1325-61-7

Manufacturing Methods :  in reflux conditions, sodium hydroxide solution in 1,2-Bis(4-nitro-2-sulfophenyl)ethane sodium salt between two with 3-Aminobenzenesulfonic acid diazotization and 2-Amino-4-methylanisole coupled with product heating (40260). In reflux conditions (or a little take pressure), in sodium hydroxide solution 1,2-Bis(4-nitro-2-sulfophenyl)ethane with  4-Aminobenzenesulfonic acid sodium diazotization and 2-Amino-4-methylanisole coupled with product heating (40265).

Properties and Applications: red light orange. Soluble in water for yellow, slightly soluble in ethanol for palm, soluble in acetone tan. The strong sulfuric acid for purple; In strong hydrochloric acid solution for tan. Used for cellulose fiber dyeing and printing, can be in wool and silk printing directly on, also can used for leather and paper color. Exhaust dyeing.

List of Suppliers:

Atul Direct Supra Light Fast Orange 4R ( Atul Limited )

Direct Fast Orange L3R ( Sintofarm SA )

Direct Light Orange 3R ( S A des Ets. Steiner )

Direct Orange 2G ( Day-Glo Color Corp. )

Direct Orange T4RL( National Dyechem Industries )

Fastusol Orange L3RA(Classic Dyestuffs Inc)

Goldamine Fast Orange 4R ( Golden Dyes Corpn (India) Pvt Ltd )

Helion Orange 3RL ( Ciech SA )

Orange( Joint Stock Company ‘Coioros’ )

Solamine Light Orange 3R (CBW Chemie GmbH Bitterfeld-Wolfen)

Solar Orange R ( Clariant GmbH )

Solius Light Orange 3R ( Frado )

Tertrodirect Light Orange 3RW (Yorkshire Group pic)

Vicorect Orange U (Victory Colour Chem Industries)

Vopsider Orange DL3R( Sintofarm SA )

Wogenal Orange CR(CBW Chemie GmbH Bitterfeld-Wolfen)