DIRECT FAST VIOLET 2RL
- CAS NO.：6227-10-7
- Empirical Formula: C32H29N5O7S2.2Na
- Molecular Weight: 705.72
- MDL number: MFCD00280075
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is DIRECT FAST VIOLET 2RL?
Preparation
2-Amino-3,5-dimethylbenzenesulfonic acid diazo, and?2,5-Dimethylbenzenamine coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications
purple. Soluble in water for product red to red light purple, and adequate soluble in alcohol. The strong sulfuric acid for Tracy in blue, and in purple for diluted. The dye solution to join strong hydrochloric acid for blue purple, have precipitation; Add sodium hydroxide solution have strong purplish red precipitate.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 4 | 3-4 | 1-2 | 1 | ||
| AATCC | 4 | 4 | 4 | 1 | 1 | ||
Properties of DIRECT FAST VIOLET 2RL
| EPA Substance Registry System | 2-Naphthalenesulfonic acid, 3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2,5-dimethylphenyl]azo]-4-hydroxy-7-(phenylamino)-, disodium salt (6227-10-7) |
Safety information for DIRECT FAST VIOLET 2RL
Computed Descriptors for DIRECT FAST VIOLET 2RL
DIRECT FAST VIOLET 2RL manufacturer
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