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Direct Blue 71

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Identification
Molecular formula
C32H20N6Na4O14S4
CAS number
4399-55-7
IUPAC name
tetrasodium;5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfonato-2-naphthyl)azo]-3-methyl-phenyl]-2-methyl-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonate
State
State

At room temperature, Direct Blue 71 is in a solid state, often found in the form of powder or granules due to its application as a dye. It is not soluble in water and requires special processes for dyeing purposes.

Melting point (Celsius)
300.00
Melting point (Kelvin)
573.15
Boiling point (Celsius)
280.00
Boiling point (Kelvin)
553.15
General information
Molecular weight
992.86g/mol
Molar mass
992.8570g/mol
Density
0.8409g/cm3
Appearence

Direct Blue 71 is typically a deep blue powder. It may appear as crystalline granules that are starkly colored due to its azo dye nature. The compound's vibrant hues make it commercially significant for dyeing operations.

Comment on solubility

Solubility of Tetrasodium 5-Amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfonato-2-naphthyl)azo]-3-methyl-phenyl]-2-methyl-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonate

Tetrasodium 5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfonato-2-naphthyl)azo]-3-methyl-phenyl]-2-methyl-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonate, with the formula C32H20N6Na4O14S4, is notable for its solubility characteristics. As a tetrasodium salt, it boasts considerable solubility in water due to the following reasons:

  • Polar Nature: The presence of multiple sulfonate groups (-SO3H) enhances hydrophilicity, allowing the compound to interact favorably with water molecules.
  • Ionization: The ionization of the sodium cations contributes to increased solubility, as the dissociated ions assist in stabilizing the aqueous solution.
  • Hydrogen Bonding: The compound's ability to form hydrogen bonds with water further facilitates its dissolution.

In general, solubility can be understood through the phrase:

"Like dissolves like."

This principle indicates that polar compounds mix well with polar solvents, such as water, which is highly relevant in the case of this compound. Therefore, Tetrasodium 5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfonato-2-naphthyl)azo]-3-methyl-phenyl]-2-methyl-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonate is expected to demonstrate excellent solubility in aqueous environments, making it suitable for various applications in fields such as dye chemistry or biotechnology.

Interesting facts

Interesting Facts About Tetrasodium; 5-Amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfonato-2-naphthyl)azo]-3-methyl-phenyl]-2-methyl-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonate

Tetrasodium; 5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfonato-2-naphthyl)azo]-3-methyl-phenyl]-2-methyl-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonate is a fascinating compound known for its vibrant coloring properties, particularly in dyeing applications. Here are some intriguing points about this remarkable compound:

  • Versatile Dye: It is often used as a dye in various industries, especially in textile manufacturing, where it imparts vivid shades to fabrics.
  • Applications in Biology: This compound also finds its use in biological research, serving as a marker in fluorescence microscopy due to its distinct spectral properties.
  • Environmental Impact: Due to its sulfonate groups, it is water-soluble, making it suitable for applications where traditional, insoluble dyes might pose environmental hazards.
  • Historical Significance: Azo dyes, including this compound, have been crucial in dye chemistry, marking significant advancements in color synthesis over the last century.

As a student or scientist exploring this compound, one might be intrigued by the complex interactions it undergoes during dyeing processes, where factors such as pH, temperature, and interaction with other chemical substances can dramatically influence the final coloration. In fact, its strong binding to various substrates highlights the fascinating relationship between chemistry and materials science.

In summary, the study of tetrasodium; 5-amino-3-[4-[4-[(8-amino-1-hydroxy-3,6-disulfonato-2-naphthyl)azo]-3-methyl-phenyl]-2-methyl-phenyl]azo-4-hydroxy-naphthalene-2,7-disulfonate provides a rich ground for understanding both chemical behaviour and practical applications in various fields, making it a compound of significant interest.

Synonyms
TRYPAN BLUE
72-57-1
Direct Blue 14
Niagara Blue
C.I. Direct Blue 14
VisionBlue
Benzamine Blue
Dianil blue
Diamine Blue
Benzo Blue
Congo Blue
Naphthylamine Blue
Diphenyl Blue
C.I. 23850
Niagara Blue 3B
trypan-blue
MFCD00003969
Diamineblue
Dianilblau
Pyrotropblau
Parkibleu
Parkipan
Bleu diamine
Chloramine Blue
Trypane Blue
Tripan Blue
Benzaminblau 3B
Chloramiblau 3B
Bleu trypane N
Benzanil Blue R
Diaminblau 3B
Directblau 3B
Triazolblau 3BX
Benzoblau 3B
Congoblau 3B
Dianilblau H3G
Renolblau 3B
Bleu directe 3B
Azidine Blue 3B
Diamine Blue 3B
Diazine Blue 3B
Pyrazol Blue 3B
Trypan Blue BPC
Bleue diretto 3B
Bencidal Blue 3B
Dianil Blue H3G
Diazol Blue 3B
Diphenyl Blue 3B
Direct Blue 3B
Direct Blue 3BX
Direct Blue D3B
Direct Blue H3G
Direct Blue M3B
Paramine Blue 3B
Azurro diretto 3B
Benzo Blue 3B
Benzo Blue 3BS
Blue EMB
Naphthaminblau 3BX
Orion Blue 3B
Benzamine Blue 3B
Chlorazol Blue 3B
Cresotine Blue 3B
Amanil Sky Blue R
Benzanil Blue 3BN
Centraline Blue 3B
Chloramine Blue 3B
Hispamin Blue 3BX
I2ZWO3LS3M
Diaphtamine Blue TH
Bleu diazole N 3B
Blue 3B
Pontamine Blue 3BX
Brasilamina Blue 3B
Brasilazina Blue 3B
Directakol Blue 3BL
Naphthamine Blue 3BX
C.I. Direct Blue 14, tetrasodium salt
Chrome Leather Blue 3B
Trianol Direct Blue 3B
Sodium ditolyl-diazobis-8-amino-1-naphthol-3,6-disulfonate
DTXSID4026268
CHEBI:78897
Trypanblau
NSC-11247
Sodium ditolyldisazobis-8-amino-1-naphthol-3,6-disulfonate
Sodium ditolyldisazobis-8-amino-1-naphthol-3,6-disulphonate
2,7-Naphthalenedisulfonic acid,3,3'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-, tetrasodium salt
Trypan Blue (Technical Grade)
Diaminine Blue
Vision Blue
Azidinblau 3B
DirectBlue14
Sodium 3,3'-((3,3'-dimethyl-[1,1'-biphenyl]-4,4'-diyl)bis(diazene-2,1-diyl))bis(5-amino-4-hydroxynaphthalene-2,7-disulfonate)
Trypanblau [German]
Trypan (Congo) Blue
Modr Trypanova [Czech]
NCGC00167554-01
Modr Prima 14 [Czech]
RCRA waste no. U236
RCRA waste number U236
Membraneblue
CCRIS 616
azul tripano
bleu trypan
Modr Trypanova
Trypan blue (commercial grade)
HSDB 2945
Visionblue (TN)
NCI C61289
EINECS 200-786-7
Modr Prima 14
NSC 11247
AI3-26698
UNII-I2ZWO3LS3M
TRYPAN BLUE [MI]
TRYPAN BLUE [HSDB]
TRYPAN BLUE [IARC]
CHEMBL1640
TRYPAN BLUE [VANDF]
TRYPAN BLUE [MART.]
TRYPAN BLUE [WHO-DD]
CHEMBL177987
DTXCID006268
Trypan Blue, dye content 60%
Direct blue 14;Niagara blue 3B
TRYPAN BLUE [ORANGE BOOK]
Trypan Blue (C.I. 23850)
Tox21_112549
AKOS015902434
AKOS030228627
FT47140
Trypan blue solution (0.4%, liquid)
CAS-72-57-1
2,7-Naphthalenedisulfonic acid, 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxy-, tetrasodium salt
AS-83614
DA-62916
SY077059
Tetrasodium 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxynaphthalene-2,7-disulphonate)
NS00041170
T0556
C19307
D12658
SODIUM DITOLYL-DIAZOBIS-8-AMINO-1-NAPHTHOL-3,6-DISULPHONATE
2,7-Naphthalenedisulfonic acid, 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(5-amino-4-hydroxy-, sodium salt (1:4)
3,3'-((3,3'-DIMETHYL(1,1'-BIPHENYL)-4,4'-DIYL)BIS(AZO))BIS-(5-AMINO-4-HYDROXY)-2,7-NAPHTHALENEDISULFONIC ACID TETRASODIUM SALT
3,3'-((3,3'-DIMETHYL-4,4'-BIPHENYLENE)BIS(AZO))BIS(5-AMINO-4-HYDROXY-2,7-NAPHTHALENEDISULFONIC ACID) TETRASODIUM SALT
sodium 3,3'-(1E,1'E)-(3,3'-dimethylbiphenyl-4,4'-diyl)bis(diazene-2,1-diyl)bis(5-amino-4-hydroxynaphthalene-2,7-disulfonate)
Tetrasodium 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxynaphthalene-2,7-disulphonate
TETRASODIUM 3,3'-((3,3'-DIMETHYL-4,4'-BIPHENYLENE)BIS(AZO))BIS(5-AMINO-4-HYDROXY-2,7-NAPHTHALENEDISULFONATE)
TETRASODIUM 3,3'-((3,3'-DIMETHYL-4,4'-BIPHENYLENE)BIS(AZO))BIS(5-AMINO-4-HYDROXY-2,7-NAPHTHALENEDISULPHONATE)
tetrasodium 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonate)