Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate

Basic Information

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CAS Number

3567-66-6

Molecular Formula

C16H11N3Na2O7S2

Molecular Weight

467.38 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

decomposes below the melting point

Boiling Point

°Cat760mmHg

Refractive Index

1.747

SMILES

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c1ccc(cc1)/N=N/c2c(cc3cc(cc(c3c2O)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

InChI

InChI=1S/C16H13N3O7S2.2Na/c17-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)19-18-10-4-2-1-3-5-10;;/h1-8,20H,17H2,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b19-18+;;

InChIKey

LQJVOKWHGUAUHK-BUFQOAPZSA-L

LogP

5.09400

Complexity

894

Safety Information

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Stability

Stable. Incompatible with strong oxidizing agents.

Synonyms & References

English

2,7-Naphthalenedisulfonicacid, 5-amino-4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2)
Acid Red 33
AZOFUCHSIN
AZOFUCHSINCI 17200
1424red
acidred2a
acidredb
AKA227
RED 33
red10b
redno.227
RedNo.33
5-Amino-4-hydroxy-3-phenylazo-2,7-naphthalenedisulfonic acid disodium salt
Acid Red 33 disodium salt
Disodium 5-amino-4-hydroxy-3-(phenylazo)-naphthalene-2,7-disulfonate
Food Red 12
7-naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-phenylazo- disodium salt
11427 red
7-naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(phenylazo)- disodium salt
Hispacid Fuchsin B
Japan Red 227
Japan Red No. 227
Naphthalene Red B
Puricolor Red ARE 33
5-Amino-4-hydroxy-3-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt
Red No.33
1424 red

FAQ

What are the physical and chemical properties of Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate (CAS: 3567-66-6)?

Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate is a crystalline compound with a molecular weight of approximately 554.3 g/mol. It has a high solubility in water and a relatively low reactivity under normal conditions. This compound is stable under acidic and neutral conditions but may react with bases. It has an absorption maximum in the UV-visible region, making it useful in spectroscopic applications.

How is Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate (CAS: 3567-66-6) typically synthesized?

Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate is usually synthesized through diazo coupling reactions involving naphthalenedisulfonic acid and phenyl diazonium salts. The synthesis typically requires mild heating and is conducted in an aqueous medium. The process has good yield and selectivity, making it a viable method for commercial production.

What industries use Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate (CAS: 3567-66-6)?

Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate is used in various industries, including pharmaceuticals for its colorimetric properties, sensors for detecting specific analytes in chemical analysis, and as a dye for textiles. It is also used in the printing industry for its colorfastness and stability.

What precautions should be taken when handling Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate (CAS: 3567-66-6)?

When handling Disodium 5-amino-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate, it is important to use personal protective equipment (PPE) such as gloves and safety goggles. Spills should be handled in a well-ventilated area, and the material safety data sheet (MSDS) should be consulted for detailed information. This compound should be stored in a cool, dry place away from strong acids and bases. In case of accidental ingestion or exposure, medical attention should be sought immediately.