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Demystifying CAS 504-15-4: A Closer Look at a amazing Chemical Compound

what is CAS 504-15-4 use?

Chemistry is filled with an array of compounds, each with its unique properties and applications. Among these, CAS 504-15-4 stands out as a compound with a mysterious aura surrounding it. In this blog, we will dive into the world of chemical compounds and explore CAS 504-15-4, uncovering its properties, uses, and the intrigue it has sparked among scientists and researchers.

CAS 504-15-4: The Enigmatic Identifier

Chemical Abstracts Service (CAS) numbers are unique identifiers assigned to chemical compounds for easy reference and tracking in scientific literature. CAS 504-15-4 belongs to a compound that goes by the name “2,4-Dinitrophenol” (DNP). To the uninitiated, it may seem like just a series of numbers and letters, but behind this identifier lies a substance with a rich history and complex chemistry.

Properties of CAS 504-15-4 (2,4-Dinitrophenol)

  1. Appearance: 2,4-Dinitrophenol is a bright yellow crystalline solid. Its vivid color is just one aspect of its intriguing nature.
  2. Solubility: This compound exhibits limited solubility in water but readily dissolves in organic solvents like acetone and ethanol. This property has implications for its uses and applications.
  3. Toxicity: CAS 504-15-4 has a dark side; it is highly toxic to humans. Ingesting, inhaling, or absorbing it through the skin can lead to severe health issues, making it a dangerous substance to handle without proper precautions.

The Historical Context

2,4-Dinitrophenol gained notoriety in the early 20th century when it was marketed as a weight loss aid. It was believed to increase metabolic rate, helping people shed pounds quickly. However, its use led to numerous cases of severe health problems and even fatalities, prompting its ban for such purposes.

Uses and Applications

Despite its dark past, 2,4-Dinitrophenol has found legitimate uses in various fields:

  1. Industrial Applications: It is used in the manufacturing of dyes, wood preservatives, and pesticides due to its ability to inhibit the growth of fungi and microorganisms.
  2. Research and Chemical Synthesis: In laboratories, 2,4-Dinitrophenol is employed as a precursor in the synthesis of organic compounds. It plays a role in the development of pharmaceuticals and other chemical products.

Environmental Concerns

The use of 2,4-Dinitrophenol in industrial applications raises environmental considerations:

  1. Water and Soil Contamination: If not handled and disposed of properly, 2,4-Dinitrophenol can contaminate water sources and soil, posing risks to aquatic ecosystems and terrestrial organisms.
  2. Hazardous Waste: Due to its toxicity and explosive properties under certain conditions, the disposal of waste containing 2,4-Dinitrophenol must follow strict safety guidelines to prevent accidents and environmental damage.


CAS 504-15-4, or 2,4-Dinitrophenol, is a compound that has a fascinating history and a complex set of properties. Its enigmatic past as a weight loss aid has left a mark on its reputation, but it continues to find legitimate uses in industry and research. Proper handling and disposal are crucial to mitigate the environmental and health risks associated with this intriguing chemical compound. Understanding the dual nature of such compounds serves as a reminder of the importance of responsible chemical management and research in the modern world.

CAS 504-15-4
CAS 504-15-4 use
CAS 504-15-4 chemical name

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