C.I. Acid Red 23, disodium salt
- CAS NO.：5864-81-3
- Empirical Formula: C18H15N3NaO8S2+
- Molecular Weight: 488.44677
- SAFETY DATA SHEET (SDS)
What is C.I. Acid Red 23, disodium salt?
Preparation
N-(3-aminophenyl)acetamide diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications
red. Soluble in water for red, hardly soluble in alcohol. The strong sulfuric acid for red, diluted still in red. In aqueous solution to join strong hydrochloric acid red; Add thick sodium hydroxide solution for red light orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 2-3 | 2 | 4 | 2 | |||
Safety information for C.I. Acid Red 23, disodium salt
New Products
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