tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate

N-Boc-1,4-二氧杂-8-氮杂螺[4.5]癸烷

Also known as: N-Boc-1,4-dioxa-8-azaspiro[4.5]decane, 1,4-Dioxa-8-azaspiro[4.5]decane-8-carboxylic acid tert-butyl ester, 4,4-(Ethylenedioxy)-1-tert-butoxycarbonylpiperidine, 1-tert-Butoxycarbonyl-4-piperidone ethylene ketal, 8-(tert-Butoxycarbonyl)-1,4-dioxa-8-azaspiro[4.5]decane, tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate

tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate (CAS 123387-51-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H21NO4 and a molecular weight of 243.299 g/mol. It is also known as N-Boc-1,4-dioxa-8-azaspiro[4.5]decane, 1,4-Dioxa-8-azaspiro[4.5]decane-8-carboxylic acid tert-butyl ester and 4,4-(Ethylenedioxy)-1-tert-butoxycarbonylpiperidine. Key properties include a boiling point of 330.8±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 153.9±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 123387-51-9
Jingsj CID: J-1429635-0
Molecular Formula: C₁₂H₂₁NO₄
Chinese Name: N-Boc-1,4-二氧杂-8-氮杂螺[4.5]癸烷
Molecular Weight: 243.299 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	330.8±42.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	153.9±27.9 °C
Exact Mass	243.147064
PSA	48.00000
LogP	1.22
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.503

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate?

The CAS number of tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate is 123387-51-9.

What are the molecular formula and molecular weight of tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate?

tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate has molecular formula C12H21NO4 and molecular weight 243.299 g/mol.

What are the upstream and downstream products of tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate?

For tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate, Upstream Products: Di-tert-butyl dicarbonate, 1,4-Dioxa-8-azaspiro[4.5]decane, Ethylene glycol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "tert-Butyl 1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate (CAS 123387-51-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1429635-0 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.