Description

1-Hydroxy Anthraquinone is a key organic intermediate and dye precursor characterized by its distinctive anthraquinone structure. This compound matters for its versatility in synthesizing a wide range of high-value colorants and functional materials. Industrial buyers in the dye manufacturing, pharmaceutical, and specialty chemical sectors rely on its consistent quality for critical production processes.

Application

• Dye and Pigment Intermediate: Primary use in the synthesis of vat dyes, acid dyes, and disperse dyes for textiles, leather, and plastics.
• Pharmaceutical Synthesis: Serves as a crucial building block for certain anthraquinone-derived active pharmaceutical ingredients (APIs).
• Chemical Research & Development: Used as a standard or starting material in organic synthesis and catalysis studies.
• Specialty Chemicals: Intermediate in the production of photoinitiators, optical brighteners, and other functional chemicals.

Basic Information

Product Name	1-Hydroxy Anthraquinone
CAS No.	129-43-1
Molecular Formula	C14H8O3
Molecular Weight	224.21 g/mol
Synonyms	1-Hydroxy-9,10-anthracenedione; 1-Hydroxy-9,10-anthraquinone; α-Hydroxyanthraquinone; Anthraquinone, 1-hydroxy-; C.I. 58050; C.I. Mordant Violet 26; 1-Anthraquinonyl alcohol
EINECS	204-940-5

Quality Control

Our 1-Hydroxy Anthraquinone is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	190°C - 195°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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