4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid

Basic Information

View in Editor

CAS Number

32266-60-7

Molecular Formula

C17H13NO8S2

Molecular Weight

423.42 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

>300°C

Density

1.823

Water Solubility

Soluble in acetone, ammonium hydroxide, n-butanol and water.

SMILES

View in Editor

C1=CC=C(C(=C1)C=NC2=C3C(=CC(=C2)S(=O)(=O)O)C=C(C=C3O)S(=O)(=O)O)O

InChI

InChI=1S/C17H13NO8S2/c19-15-4-2-1-3-10(15)9-18-14-7-12(27(21,22)23)5-11-6-13(28(24,25)26)8-16(20)17(11)14/h1-9,19-20H,(H,21,22,23)(H,24,25,26)

InChIKey

DUCCKQSNXPFEGT-UHFFFAOYSA-N

LogP

2.495

Topological Polar Surface Area

161.56 Å²

Hydrogen Bond Donor/Acceptor

4 / 9

Complexity

785

Safety Information

View Safety Information

Sensitiveness

Light Sensitive

Synonyms & References

English

EINECS 250-975-3
4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid
NCGC00013932-02
H11889
Azomethine-H (>90%)
NCI60_041974
CCG-37199
azomethine-h monosodium
4-Hydroxy-5-{[(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]amino}naphthalene-2,7-disulfonic acid
Azomethine H
FT-0622531
4-hydroxy-5-[(2-hydroxyphenyl)methylideneamino]naphthalene-2,7-disulfonic acid
SCHEMBL3424506
DTXSID00954074
5941-07-1
4-hydroxy-5-((2-hydroxybenzylidene)amino)-2,7-naphthalenedisulfonic acid
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-(((2-hydroxyphenyl)methylene)amino)-
Azomethine-H
AKOS030242286
32266-60-7
NCGC00097041-01
Q-200667
4-Hydroxy-5-(salicylidene-amino)-2,7-naphthalenedisulfonic acid
NS00089488
1-(salicylideneamino)-8-hydroxynaphthalene-3,6-disulfonic acid
NCIStruc1_001287
4-Hydroxy-5-((2-hydroxybenzylidene)amino)naphthalene-2,7-disulfonicacid
NCIStruc2_001778
NCI88947
AKOS016004513
C17H13NO8S2

MDL Number

MFCD00066536

Customs Code

2925290090

FAQ

What is 4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid (CAS: 32266-60-7)?

4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid is a complex organic compound with the CAS number 32266-60-7. It consists of a naphthalene core with two sulfonic acid groups and a hydroxy-substituted benzylidene amino group. This compound is commonly used in pH indicators and as a dye in analytical chemistry.

What are the main uses of 4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid (CAS: 32266-60-7)?

4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid is primarily used as a pH indicator in analytical chemistry and as a dye in various industrial applications. It finds use in pharmaceuticals for quality control and in research for colorimetric assays.

Is 4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid (CAS: 32266-60-7) safe?

4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid is generally safe when handled with appropriate precautions. It is not flammable and does not react with common laboratory chemicals. However, skin contact and inhalation of dust should be avoided. Wearing gloves and a laboratory coat is recommended during handling.

How should 4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid (CAS: 32266-60-7) be stored?

4-Hydroxy-5-((2-hydroxybenzylidene)amino)-naphthalene-2,7-disulfonic acid should be stored in a cool, dry place away from direct sunlight and moisture. It should be kept in a sealed container to prevent moisture absorption. The container should be stored at a temperature below 25°C to maintain stability and prevent degradation.