ChemicalBook > CAS DataBase List > 4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE

4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE

Product Name
4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE
CAS No.
21744-84-3
Chemical Name
4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE
Synonyms
BUTTPARK 148\07-41;4-methyl-1,4-benzoxazin-3-one;4-METHYLBENZO[B]MORPHOLIN-3-ONE;4-Methyl-2H-1,4-Benzoxazin-3-one;4-(N-METHYL)-1,4-BENZOXAZINE-3-ONE;4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE;2H-1,4-Benzoxazin-3(4H)-one, 4-methyl-;4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one;4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE, 98 %;JR-8987, 4-Methyl-2H-1,4-benzoxazin-3-(4H)-one, 97%
CBNumber
CB5711578
Molecular Formula
C9H9NO2
Formula Weight
163.17
MOL File
21744-84-3.mol
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4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE Property

Melting point:
57-60 °C (lit.)
Boiling point:
369.5±31.0 °C(Predicted)
Density 
1.209±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
pka
1.49±0.20(Predicted)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
HS Code 
2934999090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
475475
Product name
4-Methyl-2H-1,4-benzoxazin-3(4H)-one
Purity
98%
Packaging
5g
Price
$68.5
Updated
2023/06/20
Alfa Aesar
Product number
H27196
Product name
4-Methyl-2H-1,4-benzoxazin-3(4H)-one, 98%
Packaging
5g
Price
$48.65
Updated
2024/03/01
Alfa Aesar
Product number
H27196
Product name
4-Methyl-2H-1,4-benzoxazin-3(4H)-one, 98%
Packaging
25g
Price
$140.65
Updated
2024/03/01
TRC
Product number
M293153
Product name
4-Methyl-2H-1,4-benzoxazin-3(4H)-one
Packaging
10mg
Price
$45
Updated
2021/12/16
Matrix Scientific
Product number
085582
Product name
4-Methyl-2H-1,4-benzoxazin-3(4H)-one
Purity
97%
Packaging
1g
Price
$83
Updated
2021/12/16
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4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE Chemical Properties,Usage,Production

Uses

4-Methyl-2H-1,4-benzoxazin-3(4H)-one may be used in the preparation of N-methyl benzomorpholine.

General Description

4-Methyl-2H-1,4-benzoxazin-3(4H)-one is a heterocyclic building block. Its C-formylation in the presence of 1,1-dichloromethyl methyl ether under Friedel-Crafts reaction conditions has been reported.

4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

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4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE Suppliers

China 43 France 1 Germany 1 India 6 Switzerland 1 United Kingdom 6 United States 13 Global 71
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View Lastest Price from 4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE manufacturers

Career Henan Chemical Co
Product
4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE 21744-84-3
Price
US $1.00/KG
Min. Order
1KG
Purity
85.0-99.8%
Supply Ability
20 tons
Release date
2019-12-25

21744-84-3, 4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONERelated Search:

(3-OXO-2,3-DIHYDRO-4H-1,4-BENZOXAZIN-4-YL)ACETIC ACID 4-[(3-OXO-2,3-DIHYDRO-4H-1,4-BENZOXAZIN-4-YL)METHYL]BENZOIC ACID 4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE Azasetron hydrochloride 2H-1,4-BENZOXAZIN-3(4H)-ONE ETHYL 2-(2,3-DIHYDRO-3-OXOBENZO[B][1,4]OXAZIN-4-YL)ACETATE BUTTPARK 5\07-34 BUTTPARK 5\07-31 BUTTPARK 5\07-30 4-(CYANOMETHYL)-2H-1,4-BENZOXAZIN-3(4H)-ONE BUTTPARK 3\07-93 BUTTPARK 5\07-32 ETHYL 2-(6-CHLORO-2,3-DIHYDRO-3-OXOBENZO[B][1,4]OXAZIN-4-YL)ACETATE BUTTPARK 10\07-19 BUTTPARK 8\07-04 BUTTPARK 5\07-33 BUTTPARK 3\07-03 4-(4-CARBOXYBENZYL)-6-CHLORO-2H-1,4-BENZOXAZIN-3(4H)-ONE

  • BUTTPARK 148\07-41
  • 4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE
  • 4-METHYLBENZO[B]MORPHOLIN-3-ONE
  • 4-(N-METHYL)-1,4-BENZOXAZINE-3-ONE
  • 4-METHYL-2H-1,4-BENZOXAZIN-3(4H)-ONE, 98 %
  • 4-Methyl-2H-1,4-Benzoxazin-3-one
  • 4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one
  • JR-8987, 4-Methyl-2H-1,4-benzoxazin-3-(4H)-one, 97%
  • 2H-1,4-Benzoxazin-3(4H)-one, 4-methyl-
  • 4-methyl-1,4-benzoxazin-3-one
  • 21744-84-3
  • Heterocyclic Building Blocks
  • Benzoxazines
  • Building Blocks
  • Miscellaneous
  • API intermediates
  • Benzoxazines
  • Building Blocks
  • Heterocyclic Building Blocks