(R)-3-Isopropyl-2,5-piperazinedione
[CAS# 143673-66-9]

Identification

• Name: (R)-3-Isopropyl-2,5-piperazinedione
• Synonyms: Cyclo-(glycyl-D-valine)
• Molecular Formula: C₇H₁₂N₂O₂
• Molecular Weight: 156.18
• CAS Registry Number: 143673-66-9
• EC Number: 841-336-5

Properties

• Melting point: 250-260 °C
• alpha: -31.5 ° (c=1, water)
• Water solubility: 23 g/L (22 °C)

Safety Data

• Hazard Symbols: Xn
• Risk Statements: R20/21/22;R36/37/38
• Safety Statements: S26;S36/37/39

Hazard Classification

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