Description

3,5,6-Trimethyl-1,2,4-Benzenetriol is a specialized trihydroxybenzene derivative with a unique, sterically hindered phenolic structure. This compound serves as a versatile and high-value synthetic intermediate, particularly valued for its antioxidant and chelating properties. It is primarily utilized in the development of advanced pharmaceuticals, agrochemicals, and performance polymers where controlled reactivity and stability are critical.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules, particularly those requiring phenolic antioxidant moieties.
• Agrochemical Synthesis: Used in the production of advanced fungicides, herbicides, and plant growth regulators.
• Polymer Stabilizer & Antioxidant: Acts as a hindered phenol antioxidant in high-performance plastics, elastomers, and synthetic lubricants to prevent thermal and oxidative degradation.
• Fine Chemical Synthesis: Intermediate for dyes, pigments, and other specialty organic compounds requiring a multi-functional aromatic core.
• Research & Development: Valuable reagent in organic chemistry research for studying phenolic reactions and developing new catalytic processes.

Basic Information

Product Name	3,5,6-Trimethyl-1,2,4-Benzenetriol
CAS No.	69690-66-0
Molecular Formula	C9H12O3
Molecular Weight	168.19 g/mol
Synonyms	1,2,4-Benzenetriol, 3,5,6-trimethyl-; Trimethylpyrogallol; 3,5,6-Trimethylbenzene-1,2,4-triol; 3,5,6-Trimethyl-1,2,4-trihydroxybenzene; Pyrogallol, 3,5,6-trimethyl-; TMBT; TMHBT
EINECS	Contact for details

Quality Control

Our 3,5,6-Trimethyl-1,2,4-Benzenetriol is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) upon request, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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