Acid Blue 138
- CAS NO.：1324-53-4
- Empirical Formula: C32H36N2Na2O8S2
- Molecular Weight: 686.74638
- MDL number: MFCD00137516
- EINECS: 215-377-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-08-28 09:47:33
What is Acid Blue 138?
Preparation
1-Amino-2,4-dibromoanthracene-9,10-dione and 4-Dodecylbenzenamine reaction, then and sodium sulfite, function, stlfonation, and translated into sodium salt.
Properties and Applications
blue. Blue powder, soluble in water. The strong sulfuric acid for green light blue. Meet copper ions becomes shallow turn green, encounter chromium ion turn green turn dark. Mainly used for silk printing and dyeing, also used for wool and polyamide fiber dyeing.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5-6 | 4 | 4-5 | 5 | 4-5 | 4-5 | 5 | 5 |
Safety information for Acid Blue 138
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