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Reactive Blue 4

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Name

Reactive Blue 4

EINECS 236-363-9
CAS No. 13324-20-4 Density 1.861 g/cm3
Solubility Melting Point
Formula C23H14Cl2N6O8S2 Boiling Point
Molecular Weight 637.43 Flash Point
Transport Information Appearance
Safety 22-24/25 Risk Codes
Molecular Structure Molecular Structure of 13324-20-4 (2-Anthracenesulfonicacid,1-amino-4-[[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-) Hazard Symbols
Synonyms

2-Anthraquinonesulfonic acid,1-amino-4-[3-[(4,6-dichloro-s-triazin-2-yl)amino]-4-sulfoanilino]- (6CI);C.I.61205;C.I. Reactive Blue 4;Helaktyn Blue FR;Helaktyn Pure Blue F-R;MikacionBrilliant Blue RS;NSC 364368;Orbaktiv Brilliant Blue M-R;Ostazin Blue S-R;Ostazin Brilliant Blue S-R;Procion Blue 11X-R;Procion Blue MR;Procion BlueMX-R;Procion Brilliant Blue MX-R;Procion BrilliantBlue RS;Reactive Blue 4;Reactive Blue MR;

 

Reactive Blue 4 Chemical Properties

Product Name: c.i. Reactive blue 4 (CAS NO.13324-20-4)


Molecular Formula: C23H14Cl2N6O8S2
Molecular Weight: 637.43g/mol
Mol File: 13324-20-4.mol
Einecs: 236-363-9
Storage Temperature: 2-8°C
Density: 1.86 g/cm3
Surface Tension: 111.9 dyne/cm
XLogP3-AA: 4.7
H-Bond Donor: 5
H-Bond Acceptor: 14
Product Categories: Organics; Affinity Chromatography; Dye Resins; Protein Chromatography

Reactive Blue 4 Uses

 c.i. Reactive blue 4 (CAS NO.13324-20-4) is mainly used for cotton, viscose fiber yarn and fabric dyeing, affinity is small, leveling is good, solid-color rate of about 60%, all have a good fastness, especially light-colored The sun fastness is good, very applicable to dyed light blue. Also used for cotton, viscose fabrics direct printing, more for the viscose fabrics. Reasons because of wind and India are generally restricted to small surface. And activity Purpurin X-2R fight mei red, yellow X-6G with the active fight green, use only 1 / 10. Can also be used for dyeing nylon, silk, wool and nylon fabrics, silk, copper, ammonia fiber fabric direct printing. When used with cotton and other fibers blended fabric dyeing, the polyvinyl alcohol, wool staining serious staining nylon, polyester, polypropylene, cellulose acetate non-staining. Can be used for polyester-cotton blended fabrics, polyester-cotton blended knitted fabrics 2 bath dyeing with Reactive Brilliant Orange X-GN fight dyed dark green, and activity XR fight yellow light green, or both Blending a variety of light-colored. For the blue agent, can increase cotton knit bleaching product whiteness.

Reactive Blue 4 Production

With bromine acid, 2,4 - diamino acid, cyanuric chloride as raw materials, first 2,4 - bromo-2-Amino-acid and acid condensation, and then further with cyanuric chloride for the second second condensation by salting out, filtration, drying was finished. . .
The first pot to increase the condensation of water 500L, stirring heated to 85 °C. Join 191kg bromo-acid (100%), and stirring into a uniform suspension (total volume of approximately 1000L). Subsequently joined 112.8kg 2,4 - 2-amino acid (100%), 200kg of sodium bicarbonate (100%), heated to 85 °C, insulation 30min, plus 10kg of cuprous chloride (100%) solution (excluding free sodium sulfite). Controlled at 83-85 °C, pH = 9 response to 3h. Measurement endpoint (sampling conducted on the filter paper in order to bromine acid disappearance of finish). At 90 °C to continue to heat 2h.
Completion of the reaction diluted with water to 4500L, stirring 15min, adding calcium carbonate 150kg, at 75-80 °C stirred 30min, filtered while hot to remove substandard goods purple dye.
And the filtrate placed in the pot, using hydrochloric acid transferred to pH = 2, by adding volume of 10% -15% solution of salt, stirring 1h, sample test endpoints (in filter paper circles were no blue infiltration and ends), filtration, was refined filter cake.
Pot, add water to the dissolved 1000L, stirring and refined by adding sodium carbonate 30kg cake, beating, adjust the volume to 3000L, pH = 7.5, was refined liquid.
Condensation to the second pot, add water 300L, adding 81.1kg (about 0.44kmol) cyanuric chloride, at 0 °C, the following Beating 45min, joined the former steps of refined liquid obtained at 15 °C to adjust the volume to 4500L, stirring 1h, adding trisodium phosphate to about pH = 6.5; to continue stirring 3h, pH value should be maintained at between 6.3-6.5, the temperature does not exceed 18 °C. Filtered to remove impurities cyanuric chloride.
Filtrate collected in the salting-out pot, adding urea to the filtrate 26.4kg (about 0.44kmol), in the temperature within 1h to 43 °C, adding 20% of the total volume of the filtrate of the salt, at 40-42 °Cstirring 2h, sampling (filter paper on the Infiltration ring clear and can be spotted), filter, filter cake dried at 80-85 °C, some may dye 410kg.

Reactive Blue 4 Toxicity Data With Reference

1.    

eye-rbt 100 mg/24H MOD

    85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1328.
2.    

orl-rat LD50:8980 mg/kg

    85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,1328.

Reactive Blue 4 Consensus Reports

Reported in EPA TSCA Inventory.

Reactive Blue 4 Safety Profile

Low toxicity by ingestion. An eye irritant. When heated to decomposition it emits toxic vapors of NOx, SOx, and Cl.
Safety Information of c.i. Reactive blue 4 (CAS NO.13324-20-4):
Safety Statements: 22-24/25
22:  Do not breathe dust
24:  Avoid contact with skin 
25:  Avoid contact with eyes 

Reactive Blue 4 Specification

 c.i. Reactive blue 4 ,its CAS NO. is 13324-20-4,the synonyms is 1-Amino-4-[3-(4,6-dichlorotriazin-2-ylamino)-4-sulfophenylamino] anthraquinone-2-sulfonic acid ; Ci no 61205 ; Ci 61205 ; Procion blue mx-r ; Procion blue mx-r(r) ; Procion brilliant blue mr ; Reactive blue no 4 ; Reactive blue 4 .

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