Description

9,9-Dimethyl-9H-Fluoren-4-Ol is a high-purity organic compound belonging to the fluorene derivative class, serving as a versatile and critical building block in advanced chemical synthesis. Its value lies in its unique sterically hindered phenolic structure, which makes it an essential intermediate for creating specialized polymers, pharmaceuticals, and functional materials. This product is particularly needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced material science industries for developing new active ingredients and high-performance additives.

Application

• Pharmaceutical Intermediate: Key starting material or advanced intermediate in the synthesis of novel drug candidates, particularly those requiring sterically hindered phenolic motifs.
• Polymer Science: Acts as a monomer or chain modifier for producing high-performance engineering plastics, resins, and specialty polymers with enhanced thermal or oxidative stability.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Material Science: Serves as a precursor for organic electronic materials, such as hole-transport layers or components in OLED (Organic Light-Emitting Diode) devices.
• Liquid Crystal & Dye Chemistry: A valuable building block for synthesizing advanced dyes, pigments, and liquid crystal compounds.
• Cross-Coupling Reactions: Utilized in palladium-catalyzed reactions (e.g., Suzuki, Heck) to create complex biaryl structures for various applications.
• Antioxidant Development: Its phenolic structure makes it a candidate for research into novel antioxidant agents for industrial and biomedical uses.

Basic Information

Item	Details
Product Name	9,9-Dimethyl-9H-Fluoren-4-Ol
CAS No.	55815-54-8
Molecular Formula	C₁₅H₁₄O
Molecular Weight	210.27 g/mol
Synonyms	4-Hydroxy-9,9-dimethylfluorene; 9,9-Dimethylfluoren-4-ol; 9H-Fluoren-4-ol, 9,9-dimethyl-; 4-Fluorenol, 9,9-dimethyl-; 9,9-Dimethyl-4-fluorenol; 9,9-Dimethyl-4-hydroxyfluorene; 55815-54-8
EINECS	Contact for details

Quality Control

Our 9,9-Dimethyl-9H-Fluoren-4-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent lot-to-lot quality. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We support compliance with relevant regulatory frameworks for our customers' target markets.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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