Description

Spiro[3.3]heptane-2,2-dimethanol is a high-purity, multifunctional organic building block characterized by its unique rigid spirocyclic core. This compound is valued for its ability to impart enhanced thermal stability, mechanical strength, and specific spatial geometry to advanced polymers and specialty chemicals. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for applications ranging from novel monomer synthesis to ligand development.

Application

• Pharmaceutical Intermediates: Serves as a key chiral scaffold or rigid linker in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) targets.
• Polymer & Resin Modifiers: Used as a diol monomer to produce high-performance polyesters, polyurethanes, and epoxy resins with improved thermal and mechanical properties.
• Agrochemical Synthesis: Acts as a precursor for developing new generation herbicides and fungicides with optimized environmental profiles.
• Ligand & Catalyst Development: Employed in organometallic chemistry to create chelating ligands for asymmetric catalysis and metal-organic frameworks (MOFs).
• Advanced Material Research: Incorporated into liquid crystals, organic semiconductors, and other functional materials to tune molecular packing and electronic properties.
• Crosslinking Agent: Functions as a crosslinker in coatings, adhesives, and sealants to enhance network density and chemical resistance.

Basic Information

Product Name	Spiro[3.3]heptane-2,2-dimethanol
CAS No.	93225-04-8
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	2,2-Bis(hydroxymethyl)spiro[3.3]heptane; Spiro[3.3]heptane-2,2-diyldimethanol; 2,2-Dimethanolspiro[3.3]heptane; Bicyclo[3.1.1]heptane-2,2-dimethanol, 6,6-dimethyl- (related structure); SHDA; Spiroheptanedimethanol
EINECS	Contact for details

Quality Control

Every batch of Spiro[3.3]heptane-2,2-dimethanol is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, GC, and NMR, to ensure compliance with exacting purity standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which may affect product quality. 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%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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