Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate

Basic Information

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CAS Number

5423-07-4

Molecular Formula

C16H8N4Na2O11S2

Molecular Weight

542.4 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

Water Solubility

Dissolve in water at 1mg/ml

Solubility

Solubility Soluble in water, acetic acid ethanol

SMILES

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C1=CC(=C(C=C1[N+](=O)[O-])[N+](=O)[O-])N=NC2=C(C=C3C=C(C=CC3=C2O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

InChI

InChI=1S/C16H10N4O11S2.2Na/c21-16-11-3-2-10(32(26,27)28)5-8(11)6-14(33(29,30)31)15(16)18-17-12-4-1-9(19(22)23)7-13(12)20(24)25;;/h1-7,21H,(H,26,27,28)(H,29,30,31);;/q;2*+1/p-2

InChIKey

XBLIFEQTVVSTIM-UHFFFAOYSA-L

LogP

5.79340

Complexity

969

Safety Information

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Sensitiveness

对湿度敏感

Synonyms & References

English

delta Paper, indicator
NSC 9360
NS00044385
C.I. 14890
2,7-Naphthalenedisulfonic acid, 3-(2-(2,4-dinitrophenyl)diazenyl)-4-hydroxy-, sodium salt (1:2)
CHEMBL2105392
DTXSID0063866
DISODIUM 2-(2,4-DINITROPHENYLAZO)-1-HYDROXYNAPHTHALENE-3,6-DISULFONATE
2,7-Naphthalenedisulfonic acid, 3-((2,4-dinitrophenyl)azo)-4-hydroxy-, disodium salt
2,7-Naphthalenedisulfonic acid, 3-[(2,4-dinitrophenyl)azo]-4-hydroxy-, disodium salt
Phenaphthazine
EINECS 226-549-8
Sodium 3-((2,4-dinitrophenyl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate
5423-07-4
Nitrazine Yellow
starbld0009631
Nitrazine paper
F71474
Nitrazine Yellow (C.I. 14890)
Nitrazol Yellow
Disodium 2-(2,4-dinitrophenylazo)-1-hydroxynaphthalene-3,6-disulphonate
sodium (E)-3-((2,4-dinitrophenyl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate
AKOS015903448
2-[2,4-Dinitrophenylazo]naphthol-3,6-disulfonic acid disodium salt
FT-0635697
MFCD00003938
4U1WVN6KUX
PHENAPHTHAZINE DISODIUM
2-(2,4-Dinitrophenylazo)naphthol-3,6-disulfonic acid disodium salt
NSC-9360
SCHEMBL155287

MDL Number

MFCD00003938

Customs Code

29270000

FAQ

What are the physical and chemical properties of Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate (CAS: 5423-07-4)?

Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate (CAS: 5423-07-4) is a crystalline compound with a molecular weight of approximately 532.08 g/mol. It is slightly soluble in water and less soluble in organic solvents. The compound shows good stability under neutral conditions but reacts with bases to form dianions. It exhibits strong absorption in the visible spectrum, making it useful for spectroscopic analysis.

How is Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate (CAS: 5423-07-4) typically synthesized?

Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate (CAS: 5423-07-4) is synthesized through a multi-step process involving diazotization and coupling reactions. The key steps include the preparation of diazonium salts from 2,4-dinitrophenylhydrazine and naphthalene-3-sulfonic acid, followed by coupling to form the final product. This process typically yields about 85% pure material with a high level of selectivity.

What industries use Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate (CAS: 5423-07-4)?

Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate (CAS: 5423-07-4) is used in various industries, including pharmaceuticals for its colorimetric properties, organic chemistry for spectroscopic analysis, and materials science for dye synthesis. It is also employed in the production of dyes and pigments due to its strong absorption in the visible spectrum.

What precautions should be taken when handling Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate (CAS: 5423-07-4)?

When handling Disodium 3-[(2,4-dinitrophenyl)diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate (CAS: 5423-07-4), it is essential to use personal protective equipment (PPE) including gloves, safety goggles, and a lab coat. This compound should be stored in a cool, dry place and away from strong acids and bases. In case of spills, use appropriate absorbents and dispose of them according to local regulations. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal instructions.