REACTIVE BLUE 4 Chemical Properties

Boiling point:

291°C (rough estimate)

Density 

1.5315 (rough estimate)

refractive index 

1.6000 (estimate)

storage temp. 

2-8°C

form 

saline suspension

pka

-1.22±0.20(Predicted)

Colour Index 

61205

color 

Blue to dark blue

λmax

595 nm

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

Hazard Codes 

Xi

Risk Statements 

36

Safety Statements 

22-24/25-26

WGK Germany 

3

RTECS 

CB1030000

Toxicity

rat,LD50,oral,8980mg/kg (8980mg/kg),"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1328, 1986.

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

REACTIVE BLUE 4 Usage And Synthesis

Chemical Properties

Dark blue powder. Solubility in water (20 ℃) for 80g / L, (50 ℃) for 90g / L. Strong sulfuric acid is reddish brown, diluted into blue; in nitric acid is orange, diluted no change. Aqueous solution is blue, add 1mol/L sodium hydroxide is still blue, then add insurance powder and warm to dark red, then add sodium perborate to red, no change after dilution. Chemical properties are more active, poor stability, alkaline hydrolysis resistance, not acid hydrolysis resistance.

Uses

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.

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.

REACTIVE BLUE 4(13324-20-4)Related Product Information

• Reactive Blue 49
• Reactive blue 19 (C.I. 61200)
• Reactive blue 14 (C.I. 61500)
• Reactive Blue 74
• REACTIVE BLUE 5
• Reactive Blue 222
• Reactive Blue 198
• BENZENESULFINIC ACID
• Aniline-2-sulfonic acid
• 2,4-Diaminobenzenesulfonic acid
• 3,4-DIMETHYLTHIOPHENOL
• Sodium anthraquinone-2-sulfonate
• 2-Aminoacetophenone
• 3-Methyldiphenylamine
• REACTIVE BLUE 4
• Sodium methanesulfinate
• 3-Methylbenzenethiol
• Ammonium sulfide