(R)-3-(tert-Butoxycarbonylamino)butanoic acid
[CAS# 159991-23-8]

Identification

• Name: (R)-3-(tert-Butoxycarbonylamino)butanoic acid
• Synonyms: (R)-3-(tert-Butoxycarbonylamino)butanoic acid; (R)-3-[[(1,1-Dimethylethoxy)carbonyl]amino]butanoic acid; (R)-3-tert-Butoxycarbonylamino-butyric acid
• Molecular Formula: C₉H₁₇NO₄
• Molecular Weight: 203.24
• CAS Registry Number: 159991-23-8
• EC Number: 686-920-9

Properties

• Solubility: Sparingly soluble (10 g/L) (25 ºC), Calc.^*
• Density: 1.101±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 104-107 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Wilczynska, Dominika; Journal of Peptide Science 2009, V15(11), P777-782.

Safety Data

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.	2	H319
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Eye irritation	Eye Irrit.	2A	H319