Description

Martius Yellow is a synthetic organic azo dye known for its distinctive yellow color and specific chemical reactivity. This compound is valued in industrial and research settings for its utility as a staining agent and a chemical intermediate. It is primarily sought by manufacturers and laboratories in the textile, biological staining, and analytical chemistry sectors for specialized applications requiring consistent quality and purity.

Application

• Biological Staining: Used as a histological stain for microscopic examination of tissues and cells.
• Textile Dyeing: Serves as a colorant for synthetic and natural fibers in specialized dyeing processes.
• Indicator Chemistry: Functions as a pH indicator or a component in chemical detection systems.
• Research & Development: Employed as a chemical intermediate or reference standard in synthetic organic chemistry and material science research.
• Ink Formulation: Used in the production of specialized inks for industrial marking or printing.
• Analytical Reagent: Acts as a reagent in specific spectrophotometric or chromatographic analytical methods.

Basic Information

Product Name	Martius Yellow
CAS No.	605-69-6
Molecular Formula	C10H6N2O5
Molecular Weight	234.17 g/mol
Synonyms	2,4-Dinitro-1-naphthol; Naphthol Yellow; Acid Yellow 24; C.I. 10315; Manchester Yellow; Saffron Yellow; Martiusgelb; 1-Naphthol, 2,4-dinitro-
EINECS	210-098-0

Quality Control

Our Martius Yellow is produced under strict quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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