2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid

Basic Information

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CAS Number

2243-76-7

Molecular Formula

C13H9N3O5

Molecular Weight

287.23 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

Boiling Point

429.53°C (rough estimate)

Solubility

Solubility Soluble in water, ethanol; slightly soluble in acetone

Refractive Index

1.5600 (estimate)

SMILES

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C1=CC(=CC=C1N=NC2=CC(=C(C=C2)O)C(=O)O)[N+](=O)[O-]

InChI

InChI=1S/C13H9N3O5/c17-12-6-3-9(7-11(12)13(18)19)15-14-8-1-4-10(5-2-8)16(20)21/h1-7,17H,(H,18,19)

InChIKey

YVJPMMYYRNHJAU-UHFFFAOYSA-N

LogP

3.93720

pKa

11.2(at 25℃)

Complexity

415

Safety Information

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GHS Hazard Pictograms

H302

H319

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

Java Unichrome Yellow 3R
2-hydroxy-5-[(4-nitrophenyl)diazenyl]benzoic acid
Mordant Orange 1
Fenakrom Orange R
NSC-4895
Benzoic acid, 2-hydroxy-5-((4-nitrophenyl)azo)-
2-hydroxy-5-((4-(hydroxy(oxido)amino)phenyl)diazenyl)benzoic acid
Chrome Yellow 3RN
CHEMBL1325256
NCGC00090842-01
Alizarin Yellow R(C.I. 14030)
YVJPMMYYRNHJAU-UHFFFAOYSA-N
Synchromate Orange AOR
Alizarine Yellow P
Peerachrome Yellow R
CS-0169081
Alizarine Orange R
Q2695590
Chrome Orange N
Lighthouse Chrome Orange
CS-0065678
Tertrochrome Yellow 3R
J-014718
2-hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid
2-Hydroxy-5-((4-nitrophenyl)diazenyl)benzoic acid
Chromol Orange R Extra
Anthranol Chrome Yellow R
Alizarin Yellow R, free acid
Alizarin yellow r indicator (1.9-3.3, 10.1-12.1)
Mitsui Chrome Orange AN
AKOS015903387

MDL Number

MFCD00007313

Customs Code

2901100000

FAQ

What is 2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid (CAS: 2243-76-7)?

2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid is a chemical compound with the CAS number 2243-76-7. It is a white or light yellow crystalline solid with a melting point of 217-219°C. This compound is characterized by its hydroxyl and nitrophenyl diazenyl groups.

What are the main uses of 2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid (CAS: 2243-76-7)?

This compound is primarily used in the pharmaceutical industry as an intermediate for the synthesis of other drugs. It also has applications in the analytical chemistry field for the development of chromogenic reagents and in research for its reactivity with various functional groups.

Is 2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid (CAS: 2243-76-7) safe?

The compound is generally stable and non-toxic, but it can cause skin irritation. Handling should be done with gloves and protective eyewear. Storage and disposal should follow standard chemical safety protocols to ensure safety and environmental protection.

How should 2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid (CAS: 2243-76-7) be stored?

Store in a cool, dry place away from direct sunlight and heat sources. Keep container tightly closed to prevent moisture absorption. The compound should be stored at room temperature, ideally between 15-25°C, and in a well-ventilated area. Do not store in a damp or humid environment.