Description

2,7-Di-tert-Butyl-9,9-Dimethylxanthene is a high-purity, sterically hindered xanthene derivative that serves as a critical intermediate and functional additive in advanced material synthesis. Its molecular structure provides excellent stability and specific photophysical properties, making it valuable for applications requiring controlled reactivity and performance under demanding conditions. This compound is primarily utilized by R&D laboratories and industrial manufacturers in the specialty chemical, polymer, and pharmaceutical sectors.

Application

• Advanced Polymer Stabilizer: Acts as a high-performance light stabilizer and antioxidant in engineering plastics and specialty polymers to prevent degradation.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Organic Synthesis Reagent: Used as a ligand or a sterically hindered scaffold in catalytic reactions and transition metal chemistry.
• Material Science Research: Employed in the development of novel organic electronic materials, dyes, and photoactive compounds.
• Fine Chemical Production: Functions as an intermediate for synthesizing other specialty chemicals, including advanced UV absorbers and functional additives.

Basic Information

Product Name	2,7-Di-tert-Butyl-9,9-Dimethylxanthene
CAS No.	130525-41-6
Molecular Formula	C23H30O
Molecular Weight	322.49 g/mol
Synonyms	9,9-Dimethyl-2,7-di-tert-butylxanthene; 2,7-Di-tert-butyl-9,9-dimethylxanthene; Xanthene, 2,7-di-tert-butyl-9,9-dimethyl-; 2,7-Bis(1,1-dimethylethyl)-9,9-dimethyl-9H-xanthene; DTBDX
EINECS	Contact for details

Quality Control

Our 2,7-Di-tert-Butyl-9,9-Dimethylxanthene is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. All products undergo rigorous analytical testing, including HPLC, GC, and NMR, to verify identity and meet stringent impurity profiles. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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%

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