Description

6-Hydroxy-2,2,5,7-Tetramethylchroman is a synthetic phenolic antioxidant belonging to the chroman family, known for its excellent stability and radical-scavenging properties. This compound is valued for its ability to protect sensitive materials from oxidative degradation, thereby extending their shelf life and maintaining performance. It is primarily utilized by manufacturers in the polymer, cosmetic, and specialty chemical industries seeking high-performance stabilizers for their formulations.

Application

• Polymer Stabilizer: Acts as a highly effective antioxidant in plastics, synthetic rubbers, and elastomers to prevent thermal and oxidative degradation during processing and end-use.
• Cosmetic & Personal Care: Used as a stabilizing agent in creams, lotions, and sunscreens to protect active ingredients and base formulations from oxidation.
• Lubricant & Fuel Additive: Enhances the oxidative stability of industrial lubricants, greases, and specialty fuels, reducing sludge formation and viscosity increase.
• Food Contact Materials: Employed as a stabilizer in polymer packaging materials intended for food contact, subject to relevant regulatory compliance.
• Intermediate for Synthesis: Serves as a key building block or precursor in the synthesis of more complex antioxidant molecules and pharmaceutical intermediates.
• Adhesive & Sealant Formulations: Improves the long-term aging resistance and durability of high-performance adhesives and sealants.

Basic Information

Product Name	6-Hydroxy-2,2,5,7-Tetramethylchroman
CAS No.	14074-92-1
Molecular Formula	C13H18O2
Molecular Weight	206.28 g/mol
Synonyms	2,2,5,7-Tetramethyl-6-hydroxychroman; 6-Hydroxy-2,2,5,7-tetramethylchroman; Chroman-6-ol, 2,2,5,7-tetramethyl-; 6-Hydroxy-2,2,5,7-tetramethyl-2H-1-benzopyran; Antioxidant 6H-237; Phenolic chroman antioxidant; TMCH
EINECS	237-886-7

Quality Control

Our 6-Hydroxy-2,2,5,7-Tetramethylchroman is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your specifications.

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 sources and incompatible materials. For long-term storage, consider an inert atmosphere to maximize stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	148°C - 152°C
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.