Solvent Red 33
Name:C.I.Solvent Red 33,C.I.281601
Molecular Structure: Double azo class
C.I.Solvent Red 33,C.I.281601,CAS 61813-61-4/73507-36-5,675.60,C29H19N5Na2O8S2,Fast Brilliant Red BN,Fast Red B
Molecular Formula:C29H19N5Na2O8S2
Molecular Weight: 675.60
CAS Registry Number:61813-61-4/73507-36-5
Manufacturing Methods : 4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazotization and 7-Benzamido-4-hydroxynaphthalene-2-sulfonic acid coupling, and then into N,N’-diaryl guanidine hydrochloride.
Properties and Applications:yellow red.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | General | 175-200 | ||||
List of Suppliers:
ABCOL Fast Red ( Abbey Color Inc. )
ABCOL Red S33 ( Abbey Color Inc. )
Azosol Fast Brilliant Red BN ( Pylam Products Co. Inc. )
Azosol Fast Brilliant Red BN ( GAF Corporation )
Hostadye Brilliant Red BN( Pylam Products Co. Inc. )
Luxol Fast Red B ( Pylam Products Co. Inc. )
Sepisol Fast Red BN ( BIMA 83 )
Spectrasol Fast Red BN ( Spectra Colors Corp. )
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