Description

3,3,3',3'-Tetramethyl-1,1'-Spirobi(Indan)-6,6'-Diol is a high-purity, symmetrical bisphenol derivative characterized by its unique spirocyclic structure. This compound is valued for its role as a key monomer and intermediate in the synthesis of advanced polymers and specialty chemicals. It is primarily sought by manufacturers in the polymer, electronics, and fine chemical industries for developing high-performance materials with enhanced thermal and chemical stability.

Application

• Polymer Synthesis: A crucial monomer for producing high-performance polycarbonates, polyesters, and epoxy resins with excellent heat resistance and mechanical properties.
• Advanced Material Production: Used in the manufacture of optical materials, liquid crystal polymers (LCPs), and engineering plastics for electronics and automotive applications.
• Pharmaceutical Intermediates: Serves as a sophisticated building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Additive Manufacturing: A component in resins for high-resolution 3D printing (stereolithography) requiring precise thermal and chemical stability.
• Coating Formulations: Imparts durability and weatherability in high-performance industrial and protective coatings.
• Research & Development: Utilized in academic and industrial R&D for exploring new polymeric materials and organic synthesis pathways.

Basic Information

Product Name	3,3,3',3'-Tetramethyl-1,1'-Spirobi(Indan)-6,6'-Diol
CAS No.	137062-65-8
Molecular Formula	C23H28O2
Molecular Weight	336.47 g/mol
Synonyms	Spirobiindan-6,6'-diol, 3,3,3',3'-Tetramethyl-; 6,6'-Dihydroxy-3,3,3',3'-tetramethyl-1,1'-spirobiindane; 1,1'-Spirobi[3H-indene]-6,6'-diol, 3,3,3',3'-tetramethyl-; 3,3,3',3'-Tetramethylspirobiindane-6,6'-diol; TMSBID; Spirobiindane Diol Derivative; Bisphenol Analogue
EINECS	Contact for details

Quality Control

Our 3,3,3',3'-Tetramethyl-1,1'-Spirobi(Indan)-6,6'-Diol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for demanding industrial and research applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
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.