Lawsone, chemically known as 2-hydroxy-1,4-naphthoquinone, with the CAS Registry Number 83-72-7, is a fascinating organic compound derived primarily from the leaves of the henna plant (Lawsonia inermis). This naturally occurring red-orange dye, also referred to as hennotannic acid, has been utilized by humans for over five millennia, particularly for dyeing skin and hair. Its historical significance as a natural colorant underscores its enduring utility and unique chemical properties.

As a 1,4-naphthoquinone derivative, Lawsone presents itself as a light yellow crystalline powder. Its molecular formula is C10H6O3, and it possesses a molar mass of 174.15 g/mol. Key physical properties include a melting point typically ranging from 192 to 196°C. NINGBO INNO PHARMCHEM CO.,LTD. ensures that its Lawsone meets rigorous quality specifications, offering a product with a high purity often exceeding 99.0% as determined by HPLC, alongside low ash and minimal loss on drying. This commitment to high purity is crucial for its diverse applications, ensuring consistent and reliable performance.

The most well-known application of Lawsone is its use as a vital intermediate in hair dye formulations. Lawsone achieves its potent and lasting staining effect through a chemical reaction with keratin, the protein abundant in hair and skin. This process, often involving a Michael addition reaction, forms a stable bond that results in a strong, permanent stain. The depth of color achieved is directly related to the concentration of Lawsone and the extent of its interaction with keratin. Its natural origin and effective dyeing capabilities make it a preferred choice in many cosmetic and personal care products.

Beyond traditional hair dyeing, Lawsone's versatility extends to several other promising fields. Its ability to strongly absorb UV light has led to investigations into its use in cosmetic formulations such as sunless tanning agents and sunscreens. Furthermore, recent research has explored Lawsone’s potential in forensic science, particularly for the detection of latent fingerprints. Showing similarities to ninhydrin, a common reagent, Lawsone targets primary amino acids and exhibits photoluminescence, making it a subject of optimistic study for enhancing fingerprint visibility. In the pharmaceutical realm, Lawsone derivatives are under active research for their diverse biological activities, including potential as anti-infectious agents, antimalarial compounds, and even as fluorescent dyes for biological imaging, such as in breast cancer cells. This ongoing research continues to unveil new possibilities for this remarkable compound.

NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing premium quality Lawsone to meet the exacting demands of various industries. Our manufacturing processes adhere to strict quality control standards, ensuring that each batch of 2-hydroxy-1,4-naphthoquinone is consistent in purity and performance. We recognize the critical importance of reliable supply for our clients, and our operations are geared towards efficient production and prompt delivery. Lawsone is typically packaged in 25 kg drums, with flexibility to accommodate specific customer requirements for packaging and storage, ensuring product integrity until use.

For businesses and researchers worldwide seeking a trusted Lawsone manufacturer or a dependable Lawsone supplier, NINGBO INNO PHARMCHEM CO.,LTD. stands as a prime choice. We offer competitive Lawsone price structures, ensuring value without compromising on quality. Our dedicated team is ready to assist with all aspects of your Lawsone purchase, from initial inquiry to final delivery. To buy high-purity 2-hydroxy-1,4-naphthoquinone or to learn more about our comprehensive product specifications, we encourage prospective clients to inquire about our offerings. We are committed to fostering long-term partnerships through consistent quality and exceptional service.