4H-3,1-Benzoxazin-4-one, 2-methyl-

4H-3,1-Benzoxazin-4-one, 2-methyl- - Names and Identifiers

Name	2-methyl-4H-3,1-benzoxazin-4-one
Synonyms	NSC 10119 2-Methyl-3,1-Benzoxaza-4-One 2-Methyl-4H-3,1-benzoxazin-4-one 2-methyl-4H-3,1-benzoxazin-4-one 2-Methyl-4-oxo-4H-3,1-benzoxazine 4H-3,1-Benzoxazin-4-one, 2-methyl-
CAS	525-76-8
EINECS	208-381-7
InChI	InChI=1/C9H7NO2/c1-6-10-8-5-3-2-4-7(8)9(11)12-6/h2-5H,1H3
InChIKey	WMQSKECCMQRJRX-UHFFFAOYSA-N

4H-3,1-Benzoxazin-4-one, 2-methyl- - Physico-chemical Properties

Molecular Formula	C9H7NO2
Molar Mass	161.16
Density	1.25g/cm³
Melting Point	79-82℃
Boling Point	283.5°C at 760 mmHg
Flash Point	144.7°C
Vapor Presure	0.00316mmHg at 25°C
pKa	2.84±0.20(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.604
Physical and Chemical Properties	EPA Chemical Information 4H-3,1-Benzoxazin-4-one, 2-methyl- (525-76-8)

4H-3,1-Benzoxazin-4-one, 2-methyl- - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
WGK Germany	3
Hazard Class	IRRITANT

4H-3,1-Benzoxazin-4-one, 2-methyl- - Upstream Downstream Industry

Raw Materials	2-IODOACETANILIDE N-(2-ACETYL-PHENYL)-ACETAMIDE 2-Azidobenzoic acid PHENYL FORMATE carbon monoxide Acetyl chloride N-Acetylanthranilic acid Methyl anthranilate 2-Iodoaniline Anthranilic acid
Downstream Products	1,2-DIHYDRO-4-HYDROXY-2-OXO-3-QUINOLINECARBOXYLIC ACID ETHYL ESTER METHAQUALONE

4H-3,1-Benzoxazin-4-one, 2-methyl- - Introduction

2-methyl-4H-3,1-benzoxazin-4-one is an organic compound with the formula C9H7NO2.

In terms of properties, 2-methyl-4H-3,1-benzoxazin-4-one is a white crystalline solid with a special bitter taste. It is insoluble in water at normal temperature, but soluble in organic solvents such as alcohols and ketones. Its melting point is 90-92°C.

2-methyl-4H-3,1-benzoxazin-4-one has several chemical applications. It can be used as an intermediate in organic synthesis for the synthesis of other organic compounds. In addition, it is also used as an intermediate for certain drugs.

In terms of preparation, 2-methyl-4H-3,1-benzoxazin-4-one can be prepared by reacting benzoxazinone and a methylating agent such as methyl iodide in the presence of a base.

Regarding safety information, 2-methyl-4H-3 and 1-benzoxazin-4-one are less toxic, but they still need to be handled with caution. During use, skin contact and inhalation should be avoided. If in the eye or mouth by mistake, rinse immediately with plenty of water and seek medical help.

Last Update：2024-04-10 22:30:50