Tert-butyl 5-oxa-2,8-diazaspiro[3.5]nonane-2-carboxylate
[CAS# 1251011-05-8]

Identification

• Name: Tert-butyl 5-oxa-2,8-diazaspiro[3.5]nonane-2-carboxylate
• Molecular Formula: C₁₁H₂₀N₂O₃
• Molecular Weight: 228.29
• CAS Registry Number: 1251011-05-8
• EC Number: 815-212-6
• SMILES: CC(C)(C)OC(=O)N1CC2(C1)CNCCO2

Properties

• Density: 1.2±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.520, Calc.^*
• Boiling Point: 330.9±42.0 °C (760 mmHg), Calc.^*
• Flash Point: 153.9±27.9 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H302-H312-H315-H319-H332-H335
• Safety Statements: P261-P264-P264+P265-P270-P271-P280-P301+P317-P302+P352-P304+P340-P305+P351+P338-P317-P319-P321-P330-P332+P317-P337+P317-P362+P364-P403+P233-P405-P501

Hazard Classification

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