1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one
[CAS# 41443-28-1]

Identification

• Name: 1H-[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one
• Synonyms: ODQ
• Molecular Formula: C₉H₅N₃O₂
• Molecular Weight: 187.16
• CAS Registry Number: 41443-28-1
• EC Number: 637-000-0

Properties

• Solubility: Slightly soluble (1.1 g/L) (25 °C), Calc.^*
• Density: 1.61±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 163-164 °C^**

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

^** von Wantoch Rekowski, Margarete

Safety Data

• Hazard Symbols: Xi
• Risk Statements: R36/37/38
• Safety Statements: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335