Neutral Red 2gl
- CAS NO.：12239-05-3
- Empirical Formula: C17H14IN5O4S
- Molecular Weight: 0
- Update Date: 2026-05-28 01:36:07
What is Neutral Red 2gl?
Preparation
2-Amino-4-chlorophenol diazo, and 3-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonamide coupling and chromium complexation, transformed into 1:2 chromium complex.
Properties and Applications
red. Dark red powder. Soluble in water. Used for wool, silk, polyamide fiber dyeing and printing, also used in leather dyeing.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 4-5 | 5 | 4-5 | 4 | 4-5 | 4-5 | 5 |
Safety information for Neutral Red 2gl
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![2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt](https://img.chemicalbook.in/CAS/20200331/GIF/5864-85-7.gif)
![Chromate, hydroxy[4-hydroxy-3-nitro-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]benzenesulfonato]-, sodium](https://img.chemicalbook.in/CAS/20211123/GIF/6656-02-6.gif)
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