Description

2-Hydroxy-1,4-Naphthoquinone, Sodium Salt is the water-soluble sodium salt derivative of lawsone, a naturally occurring pigment. This compound is valued for its role as a key intermediate and functional agent in advanced chemical synthesis and specialized industrial processes. It is primarily utilized by manufacturers in the pharmaceutical, dye, and fine chemical sectors seeking consistent quality and reliable supply for their production lines.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of specific active pharmaceutical ingredients (APIs) and vitamin K analogs.
• Hair Dye & Cosmetic Pigment: Acts as a colorant and oxidative dye precursor in permanent hair coloring formulations and other personal care products.
• Textile Dyeing: Used as an intermediate for producing dyes and pigments for natural and synthetic fibers.
• Chemical Research & Development: Employed as a reagent in organic synthesis, particularly in quinone chemistry and for studying redox processes.
• Analytical Chemistry: Can function as a redox indicator or a complexing agent in certain titrimetric and spectrophotometric methods.
• Fine Chemical Synthesis: A versatile starting material for synthesizing more complex naphthoquinone derivatives with specialized properties.

Basic Information

Product Name	2-Hydroxy-1,4-Naphthoquinone, Sodium Salt
CAS No.	68310-00-9
Molecular Formula	C10H5NaO3
Molecular Weight	196.13 g/mol
Synonyms	Sodium 2-Hydroxy-1,4-naphthoquinone; Sodium Lawsone; 1,4-Naphthoquinone, 2-hydroxy-, sodium salt; 2-Hydroxy-1,4-naphthoquinone sodium salt; Lawsone Sodium Salt; CI 75480 (Sodium Salt); Henna Ext. Sodium Salt; Natural Orange 6 Sodium Salt
EINECS	Contact for details

Quality Control

Our production of 2-Hydroxy-1,4-Naphthoquinone, Sodium Salt adheres to stringent quality management protocols. Each batch is tested to ensure it meets precise specifications for identity, purity, and composition. A comprehensive Certificate of Analysis (COA) detailing results from tests such as HPLC assay, identification by IR spectroscopy, and residual solvent analysis is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque or amber packaging until use.

Specification

Item	Specification
Appearance	Orange to brownish-red powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	Min. 95.0%
Loss on Drying	Max. 5.0%
Residue on Ignition (Sulfated Ash)	20.0% - 26.0%
Heavy Metals (as Pb)	Max. 20 ppm
Related Substances (HPLC)	Total impurities: Max. 5.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.