1,3-diazaspiro[4.5]decane-2,4-dione

Also known as: 5,5-pentamethylenehydantoin, 5,5-pentamethylenespirohydantoin, 5,5'-cyclohexanespirohydantoin, spiro[cyclohexane-1,5'-hydantoin], spiro[cyclohexane-1,5'-imidazolidine]-2',4'-dione, cyclohexanespiro-5'-hydantoin, ba 2840, nsc 16617, nsc 172110

1,3-diazaspiro[4.5]decane-2,4-dione (CAS 702-62-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H12N2O2 and a molecular weight of 168.19300 g/mol. Key properties include a melting point of 217-219ºC and a density of 1.25 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 702-62-5
Jingsj CID: J-921575-2
Molecular Formula: C₈H₁₂N₂O₂
Molecular Weight: 168.19300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	217-219ºC
Density	1.25 g/cm3
Exact Mass	168.09000
PSA	58.20000
LogP	1.18630
Refractive Index	1.548
Storage Conditions	2-8℃

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,3-diazaspiro[4.5]decane-2,4-dione?

The CAS number of 1,3-diazaspiro[4.5]decane-2,4-dione is 702-62-5.

What are the molecular formula and molecular weight of 1,3-diazaspiro[4.5]decane-2,4-dione?

1,3-diazaspiro[4.5]decane-2,4-dione has molecular formula C8H12N2O2 and molecular weight 168.19300 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1,3-diazaspiro[4.5]decane-2,4-dione (CAS 702-62-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-921575-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.