7-Methyl-1,6-dioxaspiro[4.4]nonane-2-acetic acid

CAS: 4316-49-8

Category: Terpenoids

PurityIndustrial Intermediate Grade ≥95%, Research Grade ≥98%, High Purity Grade ≥99%
Molecular FormulaC10H16O4
Molecular Weight200.23
AppearanceColorless to pale yellow liquid or crystalline solid with characteristic oxygen-containing heterocyclic odor.
Packaging1 g/5 g/25 g amber glass bottles; 100 g aluminum foil bags with polyethylene liner; 500 g or 1 kg sealed containers for industrial intermediate supply.
Testing IndicatorsAppearance — Visual inspection; Identification — FTIR spectroscopy and 1H/13C NMR; Purity — GC-FID or HPLC analysis; Molecular weight confirmation — GC-MS or LC-MS; Functional group analysis — IR spectroscopy; Water content — Karl Fischer titration; Acid value — Potentiometric titration; Residual solvents — GC analysis.
Storage NotesStore in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep container tightly sealed. Protect from moisture, strong acids, strong bases, and oxidizing agents. Refrigerated storage at 2-8°C is recommended for long-term storage.
Lead Time10 days
A spirocyclic oxygen-containing terpene-related intermediate used in organic synthesis, fragrance chemistry, and preparation of biologically active molecules. Applied in synthesis of natural product analogues, pharmaceutical intermediates, and specialty chemicals.