Description

1,4-Dioxaspiro[4.4]Nonane, 7-Ethyl- is a specialized spirocyclic ketal compound with the CAS registry number 98387-17-8. This chemical serves as a valuable protected carbonyl synthon and versatile intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by pharmaceutical R&D laboratories and fine chemical manufacturers for the development of active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Synthesis Reagent: Acts as a protected form of a diketone or keto-aldehyde, used in multi-step synthetic routes.
• Agrochemical Research: Intermediate in the development of novel pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Chemistry: Used in the synthesis of specific aroma chemicals and fragrance components.
• Material Science Research: Monomer or precursor for synthesizing specialized polymers and functional materials.
• Academic & Industrial R&D: A valuable tool for methodological development and discovery chemistry in research institutions.

Basic Information

Product Name	1,4-Dioxaspiro[4.4]Nonane, 7-Ethyl-
CAS No.	98387-17-8
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	7-Ethyl-1,4-dioxaspiro[4.4]nonane; 7-Ethyl-1,4-dioxaspiro[4.4]nonane; Ethyl Spiroketal; 2-Ethyl-1,4-cyclohexanedione ethylene ketal; 7-Ethyl-1,4-dioxaspiro[4.4]nonane; 98387-17-8; Spiro[1,3-dioxolane-2,1'-cyclohexane], 4'-ethyl-
EINECS	Contact for details

Quality Control

Our 1,4-Dioxaspiro[4.4]Nonane, 7-Ethyl- is produced under strict quality management systems. Every batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all relevant specifications. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index	1.460 - 1.470
Density	0.98 - 1.02 g/mL

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