Orange G | Solubility of Things

Identification

Molecular formula

C₁₆H₁₀N₂Na₂O₇S₂

CAS number

1936-15-8

IUPAC name

disodium;5-[(2-hydroxy-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonato-phenyl]benzenesulfonate

State

Orange G is typically in a solid state at room temperature. It is commonly found as a powder, contributing to its use as a dye in various applications. The solid powder readily dissolves in water, providing an efficient method for applying the dye to different substrates.

Melting point (Celsius)

0.00

Melting point (Kelvin)

0.00

Boiling point (Celsius)

0.00

Boiling point (Kelvin)

0.00

General information

Molecular weight

452.39g/mol

Molar mass

452.3880g/mol

Density

1.8085g/cm³

Appearence

Orange G is a synthetic azo dye that appears as an orange powder. It is characterized by its bright and vibrant orange coloration, which is used extensively for staining purposes in biological laboratories. When dissolved, it imparts an intense orange hue to solutions.

Comment on solubility

Solubility of Disodium 5-[(2-hydroxy-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonato-phenyl]benzenesulfonate

The solubility of disodium 5-[(2-hydroxy-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonato-phenyl]benzenesulfonate, with the chemical formula C₁₆H₁₀N₂Na₂O₇S₂, is influenced by multiple factors including its ionic nature and the presence of sulfonate groups. This compound is generally known to exhibit good solubility in the following environments:

Aqueous Solutions: The presence of sodium ions and sulfonate groups enhances solubility in water, making it highly soluble in aqueous media.
Polar Solvents: It also displays increased solubility in polar organic solvents due to its polar functional groups.
pH Dependency: The solubility can be affected by pH levels, as ionic compounds tend to dissolve better in environments where their ionic forms are stabilized.

In practice, the solubility of this compound can be summarized with the following points:

High solubility in water due to its ionic nature.
Stable across a wide pH range, although optimal conditions depend on specific applications.
Used frequently in applications where solubility is crucial, such as in dyeing and chemical analysis.

Therefore, understanding the solubility of disodium 5-[(2-hydroxy-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonato-phenyl]benzenesulfonate provides insight into its reactivity, applications, and behavior in various environments.

Interesting facts

Interesting Facts about Disodium 5-[(2-Hydroxy-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonato-phenyl]benzenesulfonate

Disodium 5-[(2-hydroxy-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonato-phenyl]benzenesulfonate, commonly referred to as a type of azo dye, is notable for its vibrant color and variety of applications. This compound is primarily studied and utilized for its properties in the following areas:

Dyeing and Coloring: Azo dyes, including this one, are widely used in textiles to impart bright and vivid colors.
pH Indicator: Its unique structure makes it valuable as a pH indicator in chemical reactions, showcasing color changes at different pH levels.
Food Industry: Certain azo compounds are used as food colorants, although regulations are strict regarding their use due to potential health effects.
Research Applications: This compound's structure is of interest in research for studying various chemical reactions and processes involving azo dyes.

One of the remarkable features of azo dyes like this compound is their ability to undergo reduction reactions. These reactions can lead to the breakdown of the azo group, which can have implications in environmental chemistry as well as in toxicology studies. As a quote from renowned chemist Linus Pauling illustrates:

“The best way to have a good idea is to have a lot of ideas.”

In the case of azo dyes, the multitude of potential applications and reactivity pathways truly reflects this notion.

Moreover, the structural complexity of disodium 5-[(2-hydroxy-1-naphthyl)azo]-2-[4-[(2-hydroxy-1-naphthyl)azo]-2-sulfonato-phenyl]benzenesulfonate not only allows for versatile applications but also paves the way for the development of newer, more efficient dyes that may have reduced environmental impact.

Its study emphasizes the intersection of **chemistry** and **art**, capturing the imagination of chemists and artists alike. The brightness and diversity of colors produced can inspire various fields, highlighting the aesthetic potential of chemical compounds.

Synonyms

Acid Red 97

C.I. Acid Red 97

CI Acid Red 97

COLOCID RED BG

8UJ772G61O

ACID RED NS

DTXSID1024419

Disodium 4,4'-bis(2-hydroxynaphthalen-1-ylazo)biphenyl-2,6'-disulphonate

(1,1'-Biphenyl)-2,2'-disulfonic acid, 4,4'-bis(2-(2-hydroxy-1-naphthalenyl)diazenyl)-, sodium salt (1:2)

(1,1'-Biphenyl)-2,2'-disulfonic acid, 4,4'-bis((2-hydroxy-1-naphthalenyl)azo)-, disodium salt

[1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-bis[(2-hydroxy-1-naphthalenyl)azo]-, disodium salt

[1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-bis[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:2)

CORIACIDE SCARLET R

DTXCID701474427

(1,1'-BIPHENYL)-2,2'-DISULFONIC ACID, 4,4'-BIS((2-HYDROXY-1-NAPHTHALENYL)AZO)-DISODIUM SALT

4,4'-BIS((2-HYDROXY-1-NAPHTHALENYL)AZO)-(1,1'-BIPHENYL)-2,2'-DISULFONIC ACID, DISODIUM SALT

10169-02-5

Azo Milling Red G

C.I. ACID RED 97, DISODIUM SALT

MFCD00004072

ACIDRED97(C.I.22890)

disodium;5-[(2-hydroxynaphthalen-1-yl)diazenyl]-2-[4-[(2-hydroxynaphthalen-1-yl)diazenyl]-2-sulfonatophenyl]benzenesulfonate

disodium,5-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]-2-[4-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]-2-sulfonatophenyl]benzenesulfonate

Pharmaglo Red G

Korostan Red G

Milling Red A

Anthra Red G

Crispin Red GM

Benzyl Red GS

Benzyl Red MG

Fenazo Red FG

Hexaderm Red MRG

Milling Scarlet R

Coriacid Scarlet R

Milling Scarlet DH

Optanol Scarlet GS

Milling Scarlet 2G

Airedale Scarlet GM

Supranol Scarlet GS

Altochrome Scarlet G

Xylene Milling Red G

Belacid Milling Red G

Alizarine Chrome Red G

Calcocid Milling Red G

Cyanine Fast Scarlet G

Sumitomo Fast Scarlet G

[1,1'-Biphenyl]-2,2'-disulfonic acid,4,4'-bis[(2-hydroxy-1-naphthalenyl)azo]-, disodium salt

Amacid Milling Scarlet G

Vondamol Brilliant Red G

Tertracid Milling Red AGE

Acid Anthracene Red GA-CF

Coomassie Milling Scarlet G

Coomassie Milling Scarlet GP

Suminol Brilliant Scarlet DH

Naphthalene Leather Scarlet G

UNII-8UJ772G61O

Shikiso Acid Anthracene Red G

Acid Red 97, Dye content 40 %

EINECS 233-439-3

AKOS015914061

AKOS024319211

AS-17135

C.I. 22890

EC 233-439-3

Q27271035