Acid Brown 248
Name:C.I.Acid Brown 248,C.I.10402
Molecular Structure: Nitrodiphenylamine
Molecular Formula:C24H20N7NaO11S3
Molecular Weight: 701.64
CAS Registry Number: 12239-00-8
Manufacturing Methods : 5-Amino-2-(4-aminophenylamino)benzenesulfonic acid and 4-Chloro-3-nitrobenzenesulfonamide (2 Moore) condensation.
Properties and Applications: brown. Brown powder, soluble in water. The strong sulfuric acid dyes for green light yellow, no change after diluted; After add sodium hydroxide color becomes shallow. Levelness and discharge good sex, in dyeing copper and iron ion color shade darker. Used for wool, silk and wool products dyeing, general is not used for printing.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6 | 1-2 | 3-4 | 4 | 2-3 | 3 | 4 | 4-5 |
List of Suppliers:
Akacid Brown 3GL(Aakash Chemicals & Dyestuffs Inc)
Nylosan Yellow Brown ERL (Classic Dyestuffs Inc)
Nylosan Yellow-Brown E-RL( Clariant GmbH )
Telon Brown 3G ( DyStar GmbH & Co Deutschland KG )
Telon Yellow Brown 3GL( Bayer Group )
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