Description

Dihydroxydibenzanthrone is a specialized polycyclic aromatic compound belonging to the anthrone chemical class. This high-purity intermediate is valued for its role in the synthesis of complex organic molecules, particularly advanced pigments and dyes. It serves as a critical building block for manufacturers in the colorant and specialty chemical industries seeking to develop products with specific chromatic and performance properties.

Application

• Primary Intermediate for Vat Dyes: A key precursor in the synthesis of high-performance vat dyes, known for their excellent color fastness and light stability.
• Specialty Pigment Manufacturing: Used in the production of complex organic pigments for applications in automotive coatings, plastics, and inks.
• Research & Development: Serves as a valuable reference standard and starting material in organic chemistry research for novel polycyclic aromatic systems.
• Functional Material Synthesis: Potential use in the development of organic semiconductors and photoconductive materials due to its extended aromatic structure.
• Chemical Synthesis: Employed as a versatile intermediate for constructing larger, fused-ring systems with specific electronic properties.

Basic Information

Product Name	Dihydroxydibenzanthrone
CAS No.	128-59-6
Molecular Formula	C30H16O4
Molecular Weight	440.45 g/mol
Synonyms	Dibenzanthrone, Dihydroxy-; 8,16-Dihydroxydibenzanthrone; 8,16-Dihydroxydibenz[de,kl]anthracen-7-one; Vat Orange 15 Intermediate; C.I. 59725; Dibenzanthrone Diol; 128-59-6; 8,16-Dihydroxydibenz[de,kl]anthracene-7-one
EINECS	204-904-1

Quality Control

Our Dihydroxydibenzanthrone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive synthesis processes. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Orange to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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