ACID BLUE 40
- CAS NO.：6424-85-7
- Empirical Formula: C22H16N3NaO6S
- Molecular Weight: 473.43
- MDL number: MFCD00001216
- EINECS: 229-190-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is ACID BLUE 40?
The Uses of ACID BLUE 40
Acid Blue 40 is an anthraquinone dye.
What are the applications of Application
Acid Blue 40 is an anthraquinone dye
Preparation
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and N-(4-aminophenyl)acetamide in copper salt and tied the presence of acid agents condensation, and then into sodium salt.
Properties and Applications
green light blue. Dark blue powder, soluble in water, solubility in water (80 ℃) 100 g/L, water solution is blue. Soluble in acetone and ethanol, slightly soluble in nitrobenzene, insoluble in benzene and dimethyl benzene, encounter the dark brown color of sulfuric acid, a product after diluted red; In the hydrochloric acid and sodium hydroxide solution discoloration. Mainly used for wool, polyamide fiber and silk dyeing and printing, also can be used for leather color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 2 | 2 | 3 | 1-2 | 1-2 | 3 | 1-2 |
| AATCC | 5 | 1-2 | 1-2 | 2 | 1 | 1 | 2-3 | 2-3 |
Properties of ACID BLUE 40
| Melting point: | >300 °C |
| CAS DataBase Reference | 6424-85-7(CAS DataBase Reference) |
| EPA Substance Registry System | C.I. Acid Blue 40 (6424-85-7) |
Safety information for ACID BLUE 40
Computed Descriptors for ACID BLUE 40
ACID BLUE 40 manufacturer
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