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The Versatile Uses of CAS 504-15-4: Exploring the Important Applications of 2,4-Dinitrophenol

what is CAS 504-15-4 use?

n the world of chemistry, each chemical compound often holds a key to a myriad of applications across various industries. One such compound with a broad range of uses is 2,4-Dinitrophenol, known by its CAS number 504-15-4. In this blog post, we’ll delve into the versatile applications of CAS 504-15-4 and how it contributes to different fields.

CAS 504-15-4: A Brief Overview

2,4-Dinitrophenol, or 2,4-DNP, is a chemical compound with the molecular formula C6H4N2O5. It is a yellow crystalline solid and is commonly referred to as DNP. While it may not be a household name, its significance in various industries is noteworthy.

What is Orcinol reagent used for?

Applications of CAS 504-15-4

  1. Industrial Chemistry:
    • Dye Manufacturing: 2,4-Dinitrophenol is used in the production of dyes. Its unique chemical properties make it a valuable component in creating a wide range of colors for textiles and other materials.
    • Pesticides: DNP is employed as an intermediate in the synthesis of pesticides, particularly those used in agriculture and pest control.
    • Wood Preservatives: Its ability to inhibit the growth of fungi and other microorganisms makes DNP useful in wood preservatives, extending the lifespan of wooden structures.
  2. Chemical Research:
    • Synthetic Chemistry: DNP serves as a precursor in the synthesis of various organic compounds. It is a crucial reagent in the production of pharmaceuticals, agrochemicals, and specialty chemicals.
    • Laboratory Reagent: Researchers use DNP in laboratories to facilitate chemical reactions and investigate new compounds and materials.
  3. Photography: Historically, 2,4-Dinitrophenol was used in the development of color photographs. While digital photography has largely replaced traditional methods, its historical significance in this field is notable.
  4. Pharmaceuticals: Although its direct use in pharmaceuticals is limited due to its toxicity, DNP-derived compounds have applications in drug development, especially in the creation of antifungal and antibacterial medications.
  5. Explosives and Fireworks: DNP has been used in the manufacture of explosives and fireworks, owing to its explosive properties when subjected to heat or shock. However, this application is now strictly regulated due to safety concerns.

Environmental Considerations

Despite its widespread use, CAS 504-15-4 and products containing it can pose environmental challenges:

  1. Contamination Risk: Improper disposal or accidental spills can lead to contamination of water sources and soil, potentially harming aquatic ecosystems and terrestrial organisms.
  2. Hazardous Waste: Due to its toxicity and explosive potential, the disposal of waste containing DNP requires special handling and adherence to safety protocols.


CAS 504-15-4, or 2,4-Dinitrophenol, may not be a household name, but its diverse range of applications has made it a significant compound in the chemical industry. From dye manufacturing to pharmaceutical research, it plays a vital role in various sectors. However, responsible handling and disposal are essential to mitigate the environmental and safety risks associated with this versatile chemical. Understanding its uses and potential impacts underscores the importance of responsible chemical management in modern society.

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

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