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    | product Name | 1,3-diazaspiro[4.4]nonane-2,4-dione |  
    | Synonyms | 1,3-Diazaspiro[4.4]nonane-2,4-dione |  
    | Molecular Formula | C7H10N2O2 |  
    | Molecular Weight | 154.1665 |  
    | InChI | InChI=1/C7H10N2O2/c10-5-7(3-1-2-4-7)9-6(11)8-5/h1-4H2,(H2,8,9,10,11) |  
    | CAS Registry Number | 699-51-4 |  
    | Molecular Structure | ![699-51-4 1,3-diazaspiro[4.4]nonane-2,4-dione](http://images-a.chemnet.com/suppliers/chembase/cas115/699-51-4.png)  |  
    | Density | 1.31g/cm3 |  
    | Refractive index | 1.559 |  
    | Hazard Symbols |  |  
    | Risk Codes |  |  
    | Safety Description |  |  |