dye|World dye variety

Name:C.I.Reactive Orange 91

Molecular Structure: Single azo class

C.I.Reactive Orange 91,CAS 91254-18-1,813.66,C27H19FN9Na3O10S3,Cibacron Yellow F-3R

Molecular Formula:C₂₇H₁₉FN₉Na₃O₁₀S₃

Molecular Weight: 813.66

CAS Registry Number:91254-18-1

Manufacturing Methods :  7-Aminonaphthalene-1,3,6-trisulfonic acid diazo, coupled with 1-(3-Aminophenyl)urea, and  Cyanuric fluoride and m-Toluidine condensation.

Properties and Applications: bright yellow orange. Apply to cellulose fiber dyed and cold rolling pile of low temperature exhaust the dyeing, suitable for silk low temperature dyeing, also can be used for wool, polyamide, spandex. Solid color temperature 40-45 ℃, cold rolling pile of dyeing (25 ℃, 4 hours).

List of Suppliers:

Cibacron Yellow F-3R ( Ciba Specialty Chemicals Inc )