Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate}

Basic Information

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CAS Number

3051-11-4

Molecular Formula

C26H18N4Na2O8S2

Molecular Weight

624.6 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

>250°C

Boiling Point

°Cat760mmHg

Density

1.5000

Flash Point

°Cat760mmHg

Solubility

Solubility Soluble in water; slightly soluble in ethanol, acetone

Refractive Index

1.691

SMILES

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C1=CC(=CC=C1N=NC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)N=NC4=CC=C(C=C4)O)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]

InChI

InChI=1S/C26H20N4O8S2.2Na/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20;;/h1-16,31-32H,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2/b2-1+,29-27+,30-28+;;

InChIKey

YLDIUICHQPKMNH-MAPAHAHLSA-L

LogP

8.06880

Complexity

1000

Synonyms & References

English

D88690
Diazol Brilliant Yellow N
starbld0009509
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-hydroxyphenyl)azo)-, disodium salt
MFCD00007489
Direct Brilliant Yellow G
3051-11-4
Brilliant Yellow
sodium (E)-6,6'-((E)-ethene-1,2-diyl)bis(3-((E)-(4-hydroxyphenyl)diazenyl)benzenesulfonate)
Trisulfon Paper Yellow
Paper Yellow 3GXA
Brilliant Yellow C
Brilliant Yellow, Dye content >=50 %
Kayaku Direct Yellow G
UNII-ZUN7L1ADIE
Brilliant Paper Yellow
Sodium 6,6'-(ethene-1,2-diyl)bis(3-((4-hydroxyphenyl)diazenyl)benzenesulfonate)
Sodium 4,4'-bis(p-hydroxyphenylazo)-2,2'-vinylenedibenzenesulphonate
RDJCIKZLXHKBPH-SEPHDYHBSA-L
Nippon Brilliant Yellow G
Paper Yellow CB
B0783
Brilliant Paper Yellow P
ZUN7L1ADIE
bril-liant yellow
Brilliant Yellow (VAN)
C.I. 24890
C.I. Direct Yellow 4, disodium salt
Paper Yellow 3GX
BRILLIANTYELLOW
Fenamin Yellow 3G

MDL Number

MFCD00007489

Customs Code

3204140000

FAQ

What are the physical and chemical properties of Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate} (CAS: 3051-11-4)?

Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate} (CAS: 3051-11-4) is a crystalline solid with a molecular weight of approximately 624.2 g/mol. It is slightly soluble in water and organic solvents. The compound exhibits chemical reactivity typical of azo compounds, showing stability under normal conditions but may react under strong acidic or basic conditions. It is a stable compound in the solid state but may decompose upon prolonged exposure to high temperatures or strong oxidizing agents.

How is Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate} (CAS: 3051-11-4) typically synthesized?

Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate} (CAS: 3051-11-4) is typically synthesized via a multi-step process involving the diazotization of 4-hydroxyphenyl benzene followed by coupling with an azo derivative. The reaction is catalyzed by various reagents, and the overall process requires careful control of pH and temperature to achieve the desired yield and selectivity. Commonly used solvents include acetic acid and water.

What industries use Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate} (CAS: 3051-11-4)?

Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate} (CAS: 3051-11-4) is used in various industries, including pharmaceuticals, where it serves as a chromophore in diagnostic reagents. It is also utilized in the development of organic dyes, sensors, and as a stabilizer in polymer formulations. Additionally, it finds application in the semiconductor industry due to its photochemical properties.

What precautions should be taken when handling Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate} (CAS: 3051-11-4)?

When handling Disodium 2,2'-[(E)-1,2-ethenediyl]bis{5-[(E)-(4-hydroxyphenyl)diazenyl]benzenesulfonate} (CAS: 3051-11-4), it is crucial to wear appropriate personal protective equipment (PPE), including gloves, safety goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood to minimize exposure to vapors. Spills should be contained and handled according to standard chemical spill procedures. Always refer to the Safety Data Sheet (SDS) for detailed instructions on proper handling and emergency response procedures.