7-Hydroxy-4H-benzo[1,4]oxazin-3-one
[CAS# 67193-97-9]

Identification

• Name: 7-Hydroxy-4H-benzo[1,4]oxazin-3-one
• Synonyms: 7-Hydroxy-2H-1,4-benzoxazin-3(4H)-one
• Molecular Formula: C₈H₇NO₃
• Molecular Weight: 165.15
• CAS Registry Number: 67193-97-9
• EC Number: 819-672-9

Properties

• Density: 1.396
• Melting point: 208-209 °C

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319