Description

Spiro[4H-Cyclopenta-1,3-Dioxole-4,2-[1,3]Dioxolane], Tetrahydro-2,2-Dimethyl- (9Ci) is a specialized spirocyclic acetal compound, valued for its unique bicyclic structure which serves as a versatile building block and protecting group in advanced organic synthesis. Its rigid, oxygen-rich framework makes it a critical intermediate for the development of complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. This high-purity intermediate is essential for chemists and R&D teams in the pharmaceutical, agrochemical, and material science industries seeking to introduce specific stereochemistry and functional group protection.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block or protecting group in the synthesis of active pharmaceutical ingredients (APIs), particularly for complex, multi-step synthetic routes.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where its spirocyclic structure can contribute to biological activity and stability.
• Fine Chemical Production: Acts as a precursor or intermediate in the manufacture of specialty chemicals, flavors, fragrances, and advanced polymers.
• Material Science Research: Investigated for its potential in creating novel organic frameworks, ligands for catalysis, or components for advanced polymeric materials.
• Academic & R&D Laboratories: Employed as a reagent in methodological development and synthetic organic chemistry research at universities and corporate R&D centers.

Basic Information

Product Name	Spiro[4H-Cyclopenta-1,3-Dioxole-4,2-[1,3]Dioxolane], Tetrahydro-2,2-Dimethyl- (9Ci)
CAS No.	40269-49-6
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	2,2-Dimethyl-1,3-dioxolane-4-spiro-2'-(1',3'-dioxolane); 2,2-Dimethyl-1,3-dioxolane-4-spiro-2'-(4',5'-dihydro-1',3'-dioxole); 2,2-Dimethyl-1,3-dioxolane-4-spiro-2'-(1',3'-dioxolane-4'-spiro-2''-cyclopentane); Tetrahydro-2,2-dimethylspiro[4H-cyclopenta-1,3-dioxole-4,2'-[1,3]dioxolane]; Spirocyclic acetal C8H12O4; 1,3-Dioxolane, 2,2-dimethyl-4-spiro-2'-(1',3'-dioxolane)
EINECS	Contact for details

Quality Control

Our Spiro[4H-Cyclopenta-1,3-Dioxole-4,2-[1,3]Dioxolane], Tetrahydro-2,2-Dimethyl- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing purity, impurities, and physical characteristics are provided with every shipment. We support custom synthesis and purification to meet specific research or cGMP-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Water Content (KF)	≤ 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.