REACTIVE BLUE 4
Synonym(s):1-Amino-4-[3-(4,6-dichlorotriazin-2-ylamino)-4-sulfophenylamino]anthraquinone-2-sulfonic acid;Procion blue MX-R
- CAS NO.：13324-20-4
- Empirical Formula: C23H14Cl2N6O8S2
- Molecular Weight: 637.43
- MDL number: MFCD00001218
- EINECS: 236-363-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 12:01:10
What is REACTIVE BLUE 4?
The Uses of REACTIVE BLUE 4
Reactive Blue 4 (CAS# 13324-20-4) is an organic dye used in textiles. Reactive Blue 4 is water-soluble and a pollutant, and has been decolourized in water using microbial fuel cells. Dyes and metabolites.
What are the applications of Application
Reactive blue 4 is an anthraquinone organic dye
Preparation
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,4-Diaminobenzenesulfonic acid condensation, and ?2,4,6-Trichloro-1,3,5-triazine condensation and salting-out.
Properties and Applications
bright blue. Dark blue powder. The strong sulfuric acid for red brown, diluted into blue; In nitric acid to orange, no change after diluted. The dye water solution is blue, with 1 Moore sodium hydroxide solution is still blue, continue to join insurance powder and warm, turn dark red, plus a boric acid to red,. Mainly used for cotton, nylon, wool, silk and viscose yarn and fabric as the dyeing and printing, printing and dyeing directly. Structure and C.I.Reactive Blue 1 the same.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 6 | 3-4 | 4-5 | 4 (shallow, green ) | 5 | 4(95℃) | 4-5 |
Properties of REACTIVE BLUE 4
| Boiling point: | 291°C (rough estimate) |
| Density | 1.5315 (rough estimate) |
| refractive index | 1.6000 (estimate) |
| storage temp. | 2-8°C |
| form | saline suspension |
| Colour Index | 61205 |
| pka | -1.22±0.20(Predicted) |
| color | Blue to dark blue |
| BRN | 602258 |
| CAS DataBase Reference | 13324-20-4(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Anthracenesulfonic acid, 1-amino-4-[[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo- (13324-20-4) |
Safety information for REACTIVE BLUE 4
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
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 REACTIVE BLUE 4
REACTIVE BLUE 4 manufacturer
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