ACID BLUE 120
- CAS NO.：3529-01-9
- Empirical Formula: C33H23N5Na2O6S2
- Molecular Weight: 695.68
- MDL number: MFCD00003899
- EINECS: 222-554-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is ACID BLUE 120?
Chemical properties
dark-brown to very dark blue or black powder
The Uses of ACID BLUE 120
Acid Blue 120 (CAS# 3529-01-9) is an organic azo dye used for colouring wool/acrylic blended fabrics.
Preparation
3-Aminobenzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 8-(P-toluidino)naphthalene-1-sulfonic acid coupling.
Properties and Applications
red light navy blue. Deep purple uniform powder, soluble in water is purple, soluble in ethanol is deep blue. In a dark of sulfuric acid, a green light blue after diluted. The aqueous solution of this product with strong hydrochloric acid formation of dark precipitation; Add thick sodium hydroxide solution is Red sauce. In dyeing copper and iron son, colour and lustre is a little dark, encounter chromium ion have little influence. Discharge sex differences. Mainly used for wool, polyamide fiber and fabric dyeing of silk. But with the direct dyes dyed wool/stick with blended fabric. Can also be used for leather, paper and biological shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5 | 3-4 | 3-4 | 4 | 4 | 3-4 | ||
| AATCC | 5 | 3 | 3 | 3 | 4 | 3 | ||
Properties of ACID BLUE 120
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 8-[(4-methylphenyl)amino]-5-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-, disodium salt (3529-01-9) |
Safety information for ACID BLUE 120
Computed Descriptors for ACID BLUE 120
ACID BLUE 120 manufacturer
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