21744-84-3
21744-84-3 structure
- Name: 4-Methyl-2H-1,4-benzoxazin-3-one
- Chemical Name: 4-methyl-1,4-benzoxazin-3-one
- CAS Number: 21744-84-3
- Molecular Formula: C9H9NO2
- Molecular Weight: 163.17300
- Create Date: 2018-11-29 08:53:03
- Modify Date: 2024-01-10 19:05:15
| Name | 4-methyl-1,4-benzoxazin-3-one |
|---|---|
| Synonyms |
4-methyl-2H-1,4-benzooxazin-3-one
4-methyl-2H-benzo[e]1,4-oxazaperhydroin-3-one 4-methyl-2H-1,4-benzoxazine-3(4H)-one 4-methyl-3-oxo-2,3-dihydro-4H-1,4-benzoxazine 4-Methyl-2H-1,4-Benzoxazin-3-one MFCD00601365 4-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one 4-methyl-3,4-dihydro-2H-1,4-benzoxazin-3-one 4-Methyl-2H-1,4-benzoxazin-3(4H)-one 4-methyl-4H-benzo[1,4]oxazin-3-one F0918-7120 |
| Density | 1.209g/cm3 |
|---|---|
| Boiling Point | 369.5ºC at 760mmHg |
| Melting Point | 57-60ºC |
| Molecular Formula | C9H9NO2 |
| Molecular Weight | 163.17300 |
| Flash Point | 177.3ºC |
| Exact Mass | 163.06300 |
| PSA | 29.54000 |
| LogP | 1.10680 |
| Vapour Pressure | 1.18E-05mmHg at 25°C |
| Index of Refraction | 1.563 |
| Hazard Codes | Xi:Irritant; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| WGK Germany | 3 |
| HS Code | 2934999090 |
| Precursor 9 | |
|---|---|
| DownStream 8 | |
![4-methyl-4H-benzo[1,4]oxazin-3-thione structure](https://www.chemsrc.com/caspic/362/21744-74-1.png)
![[2-(formyl-methyl-amino)-phenoxy]-acetic acid structure](https://www.chemsrc.com/caspic/276/112689-18-6.png)
![6-BROMO-4-METHYL-2H-BENZO[B][1,4]OXAZIN-3(4H)-ONE structure](https://www.chemsrc.com/caspic/241/24036-47-3.png)
![4-Methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine structure](https://www.chemsrc.com/caspic/067/77901-22-5.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |