2,9-Diazaspiro[5.5]undecane-9-carboxylic acid, 2-(phenylmethyl)-, 1,1-dimethylethyl ester

2-苄基-2,9-二氮杂螺[5.5]十一烷-9-羧酸叔丁酯

Also known as: 2,9-Diazaspiro[5.5]undecane-9-carboxylic acid tert-butyl ester, 2-(Phenylmethyl)-2,9-diazaspiro[5.5]undecane-9-carboxylic acid 1,1-dimethylethyl ester, tert-butyl 2-benzyl-2,9-diazaspiro[5.5]undecane-9-carboxylate

2,9-Diazaspiro[5.5]undecane-9-carboxylic acid, 2-(phenylmethyl)-, 1,1-dimethylethyl ester (CAS 236406-48-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H32N2O2 and a molecular weight of 344.49100 g/mol. It is also known as 2,9-Diazaspiro[5.5]undecane-9-carboxylic acid tert-butyl ester, 2-(Phenylmethyl)-2,9-diazaspiro[5.5]undecane-9-carboxylic acid 1,1-dimethylethyl ester and tert-butyl 2-benzyl-2,9-diazaspiro[5.5]undecane-9-carboxylate. Key properties include a boiling point of 443.7ºC at 760 mmHg, a density of 1.09g/cm3 and a flash point of 222.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
236406-48-7
Jingsj CID
J-1071100-0
Molecular Formula
C21H32N2O2
Chinese Name
2-苄基-2,9-二氮杂螺[5.5]十一烷-9-羧酸叔丁酯
Molecular Weight
344.49100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point443.7ºC at 760 mmHg
Density1.09g/cm3
Flash Point222.1ºC

Frequently Asked Questions

What is the CAS number of 2,9-Diazaspiro[5.5]undecane-9-carboxylic acid, 2-(phenylmethyl)-, 1,1-dimethylethyl ester?

The CAS number of 2,9-Diazaspiro[5.5]undecane-9-carboxylic acid, 2-(phenylmethyl)-, 1,1-dimethylethyl ester is 236406-48-7.

What are the molecular formula and molecular weight of 2,9-Diazaspiro[5.5]undecane-9-carboxylic acid, 2-(phenylmethyl)-, 1,1-dimethylethyl ester?

2,9-Diazaspiro[5.5]undecane-9-carboxylic acid, 2-(phenylmethyl)-, 1,1-dimethylethyl ester has molecular formula C21H32N2O2 and molecular weight 344.49100 g/mol.

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

Last updated:

How to cite: Jingsj. "2,9-Diazaspiro[5.5]undecane-9-carboxylic acid, 2-(phenylmethyl)-, 1,1-dimethylethyl ester (CAS 236406-48-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071100-0 (accessed 2026-10-25).

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