6-Chloro-(2H)-1,4-benzoxazin-3(4H)-one
[CAS# 7652-29-1]

Identification

• Name: 6-Chloro-(2H)-1,4-benzoxazin-3(4H)-one
• Synonyms: 6-Chloro-3-oxo-2,3-dihydro-1,4-benzoxazine; 6-Chloro-4H-benzo[1,4]oxazin-3-one; NSC 211462
• Molecular Formula: C₈H₆ClNO₂
• Molecular Weight: 183.59
• CAS Registry Number: 7652-29-1
• EC Number: 626-157-0

Properties

• Solubility: Slightly soluble (1.3 g/L) (25 ºC), Calc.^*
• Density: 1.393±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 221 ºC (methanol )^**

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

^** Hashimoto, Yuichi; Chemical & Pharmaceutical Bulletin 1983, V31(11), P3891-6.

Safety Data

Hazard Classification

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