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Juglone

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Identification
Molecular formula
C10H6O4
CAS number
481-39-0
IUPAC name
5,8-dihydroxy-2,7-dimethoxy-naphthalene-1,4-dione
State
State

At room temperature, Juglone is typically found as a solid.

Melting point (Celsius)
162.00
Melting point (Kelvin)
435.00
Boiling point (Celsius)
315.00
Boiling point (Kelvin)
588.00
General information
Molecular weight
174.16g/mol
Molar mass
174.1550g/mol
Density
1.5240g/cm3
Appearence

Juglone is a yellow solid that is crystalline in nature. It can also appear as a brownish-yellow powder. The compound is sensitive to light and air, and upon exposure, it can darken.

Comment on solubility

Solubility of 5,8-dihydroxy-2,7-dimethoxy-naphthalene-1,4-dione

The solubility of 5,8-dihydroxy-2,7-dimethoxy-naphthalene-1,4-dione is influenced by its unique chemical structure, which contains both hydroxyl (-OH) and methoxy (-OCH3) functional groups. These groups contribute to the compound's ability to interact with solvents, affecting its solubility in various environments.

Key Factors Affecting Solubility:

  • Polarity: The presence of hydroxyl groups typically increases polarity, making it more soluble in polar solvents such as water.
  • Non-polar Solvents: Conversely, the methoxy groups (which are less polar) can promote solubility in non-polar solvents, creating a balance in solubility profiles.
  • Temperature: An increase in temperature often enhances solubility, allowing more molecules to dissolve due to greater kinetic energy.

According to existing literature, “The solubility of organic compounds often hinges on their ability to form hydrogen bonds with solvents.” Given this fact, one might expect that 5,8-dihydroxy-2,7-dimethoxy-naphthalene-1,4-dione exhibits greater solubility in polar solvents than in non-polar solvents. Nevertheless, precise solubility values can fluctuate based on experimental conditions and the purity of the solvent used.

In summary, the compound's solubility is a multifaceted characteristic shaped by its structural components and the nature of the solvent. To accurately determine its solubility, one should conduct specific experimental assessments, considering all influencing factors.

Interesting facts

5,8-Dihydroxy-2,7-dimethoxy-naphthalene-1,4-dione: An Overview

5,8-Dihydroxy-2,7-dimethoxy-naphthalene-1,4-dione, often recognized for its unique structure and properties, belongs to the class of organic compounds known as naphthoquinones. This fascinating compound is not only significant in various scientific fields but also presents an array of intriguing aspects:

Key Features:

  • Natural Occurrence: It can be found in certain plants, contributing to their pigmentation and potential health benefits.
  • Chemical Reactivity: Its structure enables it to undergo various chemical reactions, making it a valuable compound for synthetic chemists.
  • Biological Activities: Research has suggested that it may exhibit antioxidant and antimicrobial properties, which could have implications in medicine and food preservation.
  • Antioxidant Potential: The dihydroxy groups present in its structure are critical for its ability to scavenge free radicals, highlighting its potential in skin care products.

Structures and Classifications:

This compound is structurally classified as a naphthoquinone, specifically a 1,4-dione. The introduction of hydroxy and methoxy groups significantly influences its chemical behavior, enabling intriguing interactions in chemical reactions.

Research and Applications:

  • Pharmaceutical Applications: Ongoing studies are examining its effectiveness as a therapeutic agent, aiming to uncover new treatments.
  • Fluorescent Dyes: Its unique absorption properties allow researchers to explore its use in various fluorescent applications.
  • Analytical Chemistry: It serves as an important compound for analytical chemists studying organic reactions and material compositions.

In conclusion, 5,8-dihydroxy-2,7-dimethoxy-naphthalene-1,4-dione is a compound that draws interest from numerous scientific domains. Its unique properties and potential applications make it a subject of valuable research, pushing the boundaries of what we understand about naphthoquinones and their capabilities.

Synonyms
Spinochrome M
5,8-Dihydroxy-2,7-dimethoxy-1,4-naphthoquinone
2808-46-0
1,4-NAPHTHOQUINONE, 5,8-DIHYDROXY-2,7-DIMETHOXY-
5,8-dihydroxy-2,7-dimethoxynaphthalene-1,4-dione
NSC 305977
BRN 1981899
ON61OGA286
NSC-305977
UNII-ON61OGA286
DTXSID20182357
5,8-DIHYDROXY-2,7-DIMETHOXY-1,4-NAPHTHALENEDIONE
DTXCID30104848
oktqtrctzaalbf-uhfffaoysa-n
1,4-Naphthalenedione, 5,8-dihydroxy-2,7-dimethoxy-
NAPHTHOQUINONE, 5,8-DIHYDROXY-2,7-DIMETHOXY
C12H10O6
NSC305977
1,4-Naphthalenedione,5,8-dihydroxy-2,7-dimethoxy-
CHEBI:211270
5,7-dimethoxy-1,4-naphthoquinone
1, 5,8-dihydroxy-2,7-dimethoxy-
DS-008463
5,8-Dihydroxy-2,7-dimethoxynaphthoquinone #
NAPHTHOQUINONE,8-DIHYDROXY-2,7-DIMETHOXY