Description

Anthrapurpurin is a high-purity, synthetic organic compound belonging to the anthraquinone class of chemicals. It serves as a critical intermediate and functional dye precursor in advanced manufacturing processes, valued for its specific chromophoric properties and structural stability. This product is essential for research and production in the fine chemical, specialty dye, and analytical reagent industries, where consistent quality and reliable supply are paramount.

Application

• Dye and Pigment Intermediate: A key starting material for the synthesis of specific anthraquinone-based dyes and colorants.
• Analytical Chemistry Reagent: Used as a reagent or standard in chromatographic analysis and other laboratory testing methods.
• Fine Chemical Synthesis: Acts as a versatile building block for creating more complex organic molecules in pharmaceutical and agrochemical research.
• Histological Staining: Employed in specialized biological staining techniques for microscopy.
• Photographic Sensitizer: Utilized in certain photographic and imaging applications due to its light-interactive properties.
• Research & Development: Serves as a reference compound in academic and industrial R&D for studying anthraquinone chemistry.

Basic Information

Product Name	Anthrapurpurin
CAS No.	602-65-3
Molecular Formula	C14H8O5
Molecular Weight	256.21 g/mol
Synonyms	1,2,7-Trihydroxyanthraquinone; Purpurin-3-carboxylic acid; C.I. 58205; Anthrapurpurine; 1,2,7-Anthraquinonetriol; C.I. Mordant Red 11; Purpurin-3-carboxyl
EINECS	210-031-0

Quality Control

Our Anthrapurpurin is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets precise specifications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

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

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.