3-Oxo-3,4-dihydro-2H-benzo[1,4]oxazine-6-carboxylic acid
[CAS# 134997-87-8]

Identification

• Name: 3-Oxo-3,4-dihydro-2H-benzo[1,4]oxazine-6-carboxylic acid
• Synonyms: 3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid
• Molecular Formula: C₉H₇NO₄
• Molecular Weight: 193.16
• CAS Registry Number: 134997-87-8
• EC Number: 818-928-7

Properties

• Solubility: Slightly soluble (5.6 g/L) (25 °C), Calc.^*
• Density: 1.459±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 310-314 °C^**

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

^** Christiansen, W. G.

Safety Data

Hazard Classification

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