2,4-Dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylic acid tert-butyl ester
[CAS# 183673-70-3]

Identification

• Name: 2,4-Dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylic acid tert-butyl ester
• Synonyms: 2,4-Dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylic acid tert-butyl ester; 8-tert-Butoxycarbonyl-1,3,8-triazaspiro[4.5]decane-2,4-dione; tert-Butyl 2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylate
• Molecular Formula: C₁₂H₁₉N₃O₄
• Molecular Weight: 269.30
• CAS Registry Number: 183673-70-3
• EC Number: 800-142-0

Properties

• Solubility: Slightly soluble (4.3 g/L) (25 ºC), Calc.^*
• Density: 1.28±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 233-234 ºC (decomp)^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** McLaughlin, Mark L.; US 6566334 B1 2003.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335