Direct Red 12B / Direct Red 31

Direct Red 12B

  • C.I.Direct Red 31

  • C.I.29100

  • CAS: 5001-72-9

  • Standard Strength: 100%

  • Molecular Formula: C32H21N5Na2O8S2

  • Formula Weight: 713.64

 

 

Physical and Chemical Properties

 

Appearance: Red brown powder

Shade: Similar to standard

Strength: 100%

Insolubility: ¡Ü4%

Moisture: ¡Ü1%

Fineness(80 Mesh Sieve Residue):¡Ü5%


 

Fastness

 

Light

Washing

Water

Crocking

Perspiration

 

2

Bleaching

Staining

Bleaching

Staining

Dry

Wet

Bleaching

Staining

3

2

3  

1

4

2

3-4

2


 

Application

 

Dyeing for Cotton and Viscose fiber 

Coloring for Silk, Paper and Polyamide 


 

Packing

 

Packed in 25kgs Iron drum and Carton



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