Description

1,4,4A,9A-Tetrahydroanthraquinone, Technical Grade, 90% is a key intermediate in the synthesis of complex organic molecules, particularly anthraquinone derivatives. Its partially reduced anthraquinone structure makes it a valuable precursor for dyes, pigments, and specialized fine chemicals. This technical grade material is essential for manufacturers and R&D facilities in the chemical synthesis and specialty materials sectors seeking a reliable and cost-effective building block. The compound is supplied with a typical purity of 90% and is identified by CAS No. 56136-14-2.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of anthraquinone-based dyes and high-performance organic pigments.
• Pharmaceutical Intermediate: Serves as a building block in the research and development of certain active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in organic synthesis to create complex molecules for agrochemicals, materials science, and research chemicals.
• Photochemical Research: Investigated in academic and industrial research for its photophysical properties and potential in photoactive materials.
• Polymer Additive Precursor: Can be utilized to develop specialized additives for polymers to impart specific characteristics.

Basic Information

Product Name	1,4,4A,9A-Tetrahydroanthraquinone, Technical Grade, 90%
CAS No.	56136-14-2
Molecular Formula	C14H12O2
Molecular Weight	212.24 g/mol
Synonyms	1,4,4a,9a-Tetrahydro-9,10-anthracenedione; 1,4,4a,9a-Tetrahydroanthracene-9,10-dione; 9,10-Anthracenedione, 1,4,4a,9a-tetrahydro-; Tetrahydroanthraquinone; 1,4,4A,9A-Tetrahydro-9,10-anthraquinone; 1,2,3,4-Tetrahydroanthraquinone (related isomer); THAQ (abbreviation)
EINECS	Contact for details

Quality Control

Our technical grade 1,4,4A,9A-Tetrahydroanthraquinone is produced under controlled conditions and undergoes rigorous quality testing to ensure batch-to-batch consistency and meets the declared specifications. While this is an industrial/technical grade product, we maintain strict in-process controls for key parameters. A Certificate of Analysis (COA) detailing purity, identity, and other relevant tests is provided with each shipment to ensure transparency and support your quality assurance protocols.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	Yellow to light brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 90.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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