Acid chrome blue K
- CAS NO.：3270-25-5
- Empirical Formula: C16H13N2NaO12S3
- Molecular Weight: 544.45
- EINECS: 999-999-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-15 17:58:54
What is Acid chrome blue K?
Preparation
3-Amino-4-hydroxybenzenesulfonic acid diazotization, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling.
Properties and Applications
red light navy blue. Soluble in water and ethanol. In concentrated sulfuric acid to purple, dilution after blue light pink; In concentrated nitric acid for dark orange to yellow brown. Dye aqueous solution and sodium hydroxide as yellow solution.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4-5 | 5 | 5 | 2-3 | 4-5 | 5 | 5 |
Properties of Acid chrome blue K
| CAS DataBase Reference | 3270-25-5(CAS DataBase Reference) |
Safety information for Acid chrome blue K
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Acid chrome blue K
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