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CHICAGO SKY BLUE 6B

Basic information Safety Supplier Related

CHICAGO SKY BLUE 6B Basic information

Product Name:
CHICAGO SKY BLUE 6B
Synonyms:
  • chicago sky blue 6B (C.I. 24410)
  • Chicago Sky Blue?B
  • PontamineSkyBlueBX
  • tetrasodium 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonate]
  • Direct Lake Blue 6B
  • 1,3-Naphthalenedisulfonic acid, 6,6-(3,3-dimethoxy1,1-biphenyl-4,4-diyl)bis(azo)bis4-amino-5-hydroxy-, tetrasodium salt
  • 1,3-naphthalenedisulfonicacid,6,6’-[(3,3’-dimethoxy[1,1’-biphenyl]-4,4’-diyl)
  • 6,8-naphthalenedisulfonicacid,3,3’-((3,3’-dimethoxy-4,4’-biphenylene)bis(azo)
CAS:
2610-05-1
MF:
C34H24N6Na4O16S4
MW:
992.8
EINECS:
220-026-8
Product Categories:
  • Organics
  • Inhibitors
  • Dyes and Pigments
Mol File:
2610-05-1.mol
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CHICAGO SKY BLUE 6B Chemical Properties

storage temp. 
Store at RT
Colour Index 
24410
form 
powder
Water Solubility 
Soluble in water (1 mg/ml).
Stability:
Stable. Probably combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference
2610-05-1
EPA Substance Registry System
C.I. Direct Blue 1, tetrasodium salt (2610-05-1)
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Safety Information

Hazard Codes 
Xn,T
Risk Statements 
20/21/22-45
Safety Statements 
22-36-45-53
RIDADR 
3143
WGK Germany 
3
RTECS 
QJ6430000
TSCA 
Yes

MSDS

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CHICAGO SKY BLUE 6B Usage And Synthesis

Chemical Properties

greenish blue powder

Uses

Competitive glutamate uptake inhibitor

General Description

Bright greenish-blue solid or dark blue powder.

Air & Water Reactions

Azo dyes can be explosive when suspended in air at specific concentrations. Slightly soluble in water.

Reactivity Profile

CHICAGO SKY BLUE 6B is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides. Cleavage of the diazo group by reducing agents may lead to benzidine production.

Fire Hazard

Flash point data for CHICAGO SKY BLUE 6B are not available; however, CHICAGO SKY BLUE 6B is probably combustible.

Biological Activity

Potent inhibitor of L-glutamate uptake into synaptic vesicles.

Safety Profile

An experimental teratogen. Other experimental reproductive effects. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx Na2O, and SOx

Purification Methods

Free it from other electrolytes by adding aqueous sodium acetate to a boiling solution of the dye in distilled water. After standing, the salted-out dye is filtered on a Büchner funnel, the process being repeated several times. Finally, the precipitated dye is boiled several times with absolute EtOH to wash out any sodium acetate, then dried (as the sodium salt) at 105o. [McGregor et al. Trans Faraday Soc 58 1045 1962, Beilstein 16 II 259.]

CHICAGO SKY BLUE 6B Preparation Products And Raw materials

Raw materials

CHICAGO SKY BLUE 6BSupplier

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